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117 TABLES 111-125 -TEMPERATURE CHARACTERISTICS OF MATERIALS TABLE 111.-MELTING AND BOILING POINTS OF T H E CHEMICAL ELEMENTS (Metals in boldface type are often used as standard melting points.) Symbol and Actinium ....... Ac 89 Aluminum ..... A1 13 Antimony .... '.Sb 51 Argon ......... Ar 18 Arsenic ........ As 33 Astatine ....... .At 85 Barium ........ Ba 56 Beryllium ..... .Be 4 Bismuth ........ Bi 83 Boron .......... B 5 Bromine ....... Br 35 Cadmium ...... Cd 48 Calcium ........ Ca 20 Carbon ......... C 6 Cerium ........ Ce 58 Cesium ......... Cs 55 Chloriye ....... C1 17 Chromium ...... Cr 24 Cobalt ........ CO 27 Dysprosium .... Dy 66 Erbium ........ Er 68 Europium ...... Eu 63 Fluorine ....... F 9 Francium ...... Fr 87 Gadolinium ..... Gd 64 Gallium ........ Ga 31 Germanium ..... Ge 32 Gold .......... Au 79 Hafnium ....... Hf 72 Helium ........ He 2 Holmium ....... Ho 67 Hydrogen ...... H 1 Indium ......... In 49 Iodine .......... 1 53 Iridium ....... Ir 77 Iron ........... Fe 26 Krypton ....... Kr 36 Lanthanum .... .La 57 Lead .......... Pb 82 Lithium ........ Li 3 Lutetium ....... Lu 71 Magnesium .... Mg 12 Manganese ..... Mn 25 Mercury ....... Hg 80 Molybdenum ... Mo 42 Element atomic No . Copper ........ CU 29 Melting point "C 1197 660.1 630.5 817 710 1283 271.3 - 189.37 - 7.20 321.03 850 804 1903 1492 1083.0 1500 1500 - 219.61 28.64 - 100.99 1420 938 1063.0 2220 1500 - 259.19 29.80 156.61 113.6 2443 1535 920 327.3 180.55 1700 650 1244 2610 - 157.3 - 38.87 Boiling point "C 2450 1637 613 1637 2480 1560 59 765 1492 2900 685 . 34.06 2640 3150 2580 2300 2600 . 188.44 2240 2800 no0 5200 . 269.93 . 252.76 2000 183 2900 . 153.35 3370 1750 1331 1120 2050 . 185.86 356.57 Symbol Melting Boiling and point point Element atomic No . "C "C Neodymium ..... Nd Neon .......... Ne Nickel ........ Ni Niobium ....... Nb Nitrogen ....... N Osmium ....... 0 s Oxyge? ........ 0 Palladium ..... Pd Phosphorus .... P Platinum ...... Pt Plutonium ...... Pu Polonium ..... .Po Potassium ...... K Praseodymium . . Pr Promethium .... Pm Protactinium .. .Pa Radium ........ Ra Radon ......... Rn Rhenium ...... .Re Rhodium ...... Rh Rubidium ...... Rb Ruthenium ..... Ru Samarium ...... Sm Scandium ...... Sc Selenium ....... Se 60 10 28 41 7 76 8 46 15 78 94 84 19 59 61 91 88 86 75 45 37 44 62 21 34 1024 . 248.59 1453 2480 . 209.97 2700 . 218.79 1552 1769 44.2 639 254 935 63.2 700 . 71 3150 1960 2400 1050 1400 38.8 217.4 . 246.08 2850 5000 . 195.80 4400 . 182.97 3100 280 3800 960 766 3000 .62 5600 3960 701 4000 1600 3900 684.8 Silicon ......... Si 14 1410 _ . . Silver ......... Ag 47 960.8 2190 Sodium ........ Na 11 97.82 890 Strontium ...... Sr 38 770 1370 Sulfur ......... S 16 119 444.60 Tantalum ...... Ta Technetium .... Tc Tellurium ...... Te Terbium ....... Tb Thallium ....... T1 Thorium ....... Th Thulium ....... Tm Tin ............ Sn Titanium ...... .Ti Tungsten ...... W Uranium ....... U Vanadium ...... V 73 43 52 65 81 90 69 50 22 74 92 23 2980 450 1450 303.6 1695 1650 1675 3380 1132 1890 231.91 5500 990 1460 4250 2600 3300 5500 4000 3400 Xenon ......... Xe 54 . 112.5 . 108.1 Ytterbium ...... Yb 70 824 Yttrium ........ Y 39 Zinc .......... Zn 30 419.50 908 Zirconium ...... Zr 40 1852 4400 TABLE llP.-MELTING PARAMETERS OF ARGON " Pressure. Melting kg/cmZ point dT . do Latent beat A= (cmS/g) ka cal / a 1 1. 000 2. 000 3. 000 4. 000 5. 000 6. 000 83.9" K . 106.4 -~ 126.3 144.9 161.9 177.8 192.9 . 0238 . 0211 . 0192 . 0178 . 0165 . 0155 . 0146 . 07% . 0555 . 0425 . 0340 . 0280 . 0240 . 0210 . . 280 280 279 277 275 276 277 a Bridgman. P . W., Proc . Amer . Acad . Arts and Sci., vol . 70. p . 25. 1935 . SMITHSOMAN PHYSICAL TABLES 118 TABLE 113.-MELTlNG TEMPERATURES IN "C FOR A NUMBER OF LIQUIDS AS P FUNCTION OF PRESSURE" Pres- sure Ethyl n-Butyl Ethyl n-Propyl kg/cm2 alcohol alcohol bromide bromide 0 -117.3"C -893C -119C -110OC 5,000 - 76 -33 - 70 - 56 10,000 - 39 +12 - 29 - 8 15,000 - 5 +49 + 5 + 34 20,000 + 25 +80 + 34 + 71 25,000 54 108 58 105 30,000 82 132 80 138 35,000 109 155 .. 169 40,000 . . .. .. 197 Chloro- Carbon form bisulfide - 63.5"C -111.6"C + 10 - 51 + 76 0 +137 + 46 +192 243 .. 170 .. 209 + 1; .. .. Chloro- benzene - 45.2"C + 25 +130 +166 222 : :: I* .. .. Methylene chloride Water -%.7"C .. -46 .. 0 .. +42 +52.5" +82 +72.8 120 102.8 157 137.1 .. 166.6 .. 192.3 Bridgman, P. W., Journ. Phys. Chem., vol. 9, p. 795, 1941. Second modification of the solid. TABLE 114.-VOLUME-PRESSURE RELATION FOR ARGON * Volume, cm* Pres- sure kg/cmz +55"C - - 700 800 1,000 - 1,300 - 1,600 - 2,000 .a0 2,500 .831 3,500 .772 4,500 .730 5,500 .698 6,000 .685 10,000 .617 12,000 .5% 15,000 .573 +25"C 1.262 1.175 1.060 .962 .898 .846 .808 .751 .712 0C -90C - 1.179 - 1.105 - 1.006 - .920 - .864 - .818 - .785 - .733 .661 .697 .641 .669 .624 - - -101.4"C - - - - - - .687 .656 .632 'C -153.5"C - .724 .697 .677 .657 For reference, see footnote 43, p. 117. TABLE 115.-MELTING PARAMETERS OF NITROGEN * Pressure kg/cm' P 1 1,000 2,000 3,000 4,000 5,ooO 6,000 dT Melting - point dfi 63.2" K .0209 82.3 .0176 98.6 .0153 11 3.0 .0135 125.8 .0124 137.8 .0117 149.2 .0112 AV (cm*/g) .072 .058 .047 .040 .033 .029 .026 Latent heat kg cal/g 218 27 1 302 334 335 342 346 . For reference, see footnote 43, p. 117. SYITHSONIAN PHYSICAL TABLES TABLE 116.-VOLUME-PRESSURE RELATION FOR NITROGEN * 119 Volume, cm8 Pressure kg/cm2 +23.5'C 0C -50C -100C -140C 3,000 1.2374 1.2069 1.1422 1.0754 1.0226 4,000 1.1615 1.1391 1.0881 1.0327 .9876 5,000 1.1061 1.0870 1.0451 .9997 .9613 6,000 1 .a52 1.0487 1.0117 .9729 .9412 For reference, see footnote 43, p. 117. TABLE 117.-EFFECT OF PRESSURE ON MELTING POINT Highest experimental At (observed) for 1000 kg/cm'J Melting point pressure dt/dO ................. 59.7 2,800 .0136 13.8 Substance at 1 kg/cm2 kg/cm2 at 1 kg/cma 2 ................ -38.85 12,000 .00511 5.1 * Na ................ 97.62 12,000 .00860 +12.3 + Bi ................. 271.0 12,000 -.00342 - 3.5 t Sn ................. 231.9 2,000 .00317 3.17 -.00344 - 3.44 .00609 6.09 Bi ................. 270.9 2,ooo Cd 2,000 Pb ................. 327.4 2,000 .00777 7.77 . . . . . . . . . . . . . . . . 320.9 At (observed) for 10,000 kg/cm2 is 50.8". t Na melts at 177.5" at 12,000 kg/cm*; K at 179.6"; Bi at 218.3". Pb at 644'. Luckey obtains melting point for tungsten as follows: 1 atm, 3623K; 8, 3594; 18, jsn; 28, 3564. TABLE 118.-EFFECT OF PRESSURE ON FREEZING OF WATER* Pressure kg/cm2 1 1,000 2,000 2,115 3,000 3,530 4,000 6,000 6,380 8,000 12,000 16,000 20,000 Freezing point .o - 8.8 -20.15 -22.0 -18.40 -17.0 -13.7 - 1.6 + .16 12.8 37.9 57.2 73.6 Ice Ice Ice Ice Ice Ice Ice Ice Ice Ice Ice Ice Ice Phases in equilibrium I-liquid I-liquid I-liquid I-ice 111-liquid (triple point) 111-liquid 111-ice V-liquid (triple point) V-liquid V-liquid V-ice VI-liquid (triple point) VI-liquid VI-liquid VI-liquid VI-liquid For reference, see footnote 43, p. 117. TABLE 119.-EFFECT OF PRESSURE ON BOILING POINT Metal Pressure C Metal Pressure O C Metal Pressure C Bi ... 10.2cmHg 1200 Ag .. 26.3cmHg 1780 Pb .. 20.6cmHg 1410 Bi ... 25.7cmHg 1310 Cu .. 10.0cmHg 1980 P b .. 6.3atm 1870 Bi ... 6.3atm 1740 Cu .. 25.7cmHg 2180 Pb .. 11.7atm 2100 Bi . . . 11.7atm 1950 Sn .. 10.1 cmHg 1970 Zn .. 11.7atm 1230 Bi ... 16.5atm 2060 Sn . . 26.2cmHg 2100 Zn .. 21.5atm 1280 A g .. 10.3cmHg 1660 Pb .. 10.5cmHg 1315 Zn .. 53.0atm 1510 SMITHSONIAN PHYSICAL TABLES 120 TABLE 120.-DENSITIES AND MELTING AND BOILING POINTS OF INORGANIC COMPOWNDSf Density atmut Substance Chemical formula 2O'C Aluminum chloride ....... AICls ................ 2.44 nitrate ........ AI(NO& + 9H20 .... oxide ......... ALOS ................ Ammonia ................ NHJ .................... Ammonium nitrate ....... NH,N03 ............. 1 phosphite .... NHIH~POS ........... sulfate ....... (NHJzSO, ........... 1 Antimony pentachloride .. SbCL ................ 2.35 trichloride ..... SbCIs ................ 3.14 Arsenic hydride ......... ASH$ ................... trichloride ...... AsCL ................ 2.20 Barium chloride ........ BaCI, ................ 3.86 nitrate Ba( NO& . 3.24 perchlorate ...... Ba(C104)z ..... . . . . Bismuth trichloride.. .... BiCL .......... . 4.75 Boric acid .............. HJBOa ............... 1.46 anhydride ........ B,O, ................. 1.79 Borax (sodium borate .... NazB40, .............. 2.36 Cadmium chloride ....... CdCL ................ 4.05 nitrate ......... Cd( NO,), + 4HzO . . . 2.45 Calcium chloride ......... CaClz ................ 2.26 .......... ..... chloride ......... CaCL + 6Hz0 .. nitrate .......... Ca (N 03), nitrate .......... Ca(N03)? oxide ........... CaO .... Carbon tetrachloride ..... CCL .... dioxide .......... CO, ............. disulfide ......... CSZ .................. 1.26 monoxide ........ CO trichloride ....... CLls ....... Chloric (wr) acid ........ HCIO, ............... 1.764 Melting point, "C 190 t 70.0 2050 - 77.7 169.6 123 146.9 2.8 73.4 -113.5 - 18 962 592 505 232.5 185 450 74 1 561 59.5 774.0 29.6 561 42.3 2570 - 24 -111.6 -207 184 -112 - 56.6 f ~- I Chlorine dioxide ......... CIOz .................... - 59 Chrome alum ............ KCr(SO,), + 12 Hi0 .. 1.83 89 nitrate .......... Crz(N03)s + 18 H20 . . . . . 37 Chromium oxide ......... CrO, ................. 5.21 1990 Cobalt sulfate ............ CoSO, ...... . 3.710 989 Cupric chloride .......... CuCL ................ 3.05 498 Cuprous chloride ......... Cu,Clz ................ 3.7 421 nitrate ............ Cu(NO3)S + 3 H20 .... 2.05 114.5 chloride ....... HCI .................... -111.3 fluoride ....... HF .................. .99 - 92.3 peroxide ....... H20, ................. 1.5 - 2 phosphide ..... PH3 .................... 133.5 sulfide ......... H,S ..................... - 82.9 Iron chloride ............ FeCh ................. 2.80 282 nitrate ............. Fe(NO& + 9 H,O .... 1.68 47.2 sulfate ............. FeSO,+ 7 H 2 0 ....... 1.90 64 Lead chloride ............ PbCL ................ 5.8 501 Magnesium chloride ...... MgCL ................ 2.18 708 oxide ........ MgO ................. 3.4 2800 nitrate ....... Mg(NO,), + 6 HzO ... 1.46 100 sulfate ....... MgSO. .............. 2.66 1124 t Manganese chloride ...... MnCL + 4 HzO ....... 2.01 58 nitrate ....... Mn(NO& + 6 H20 ... 1.82 26 sulfate ....... MnSO, .............. 3.25 700 Mercuric chloride ........ HgCL ................ 5.42 276 Hydrogen bromide ....... HBr ........ . . . . . . . - 88.5 ......... ...................... iodide H I - 50.8 Boiliy point, C 182.7 134t 2580 - 33.35 210t 145 t ... t 140 223 - 54.8 130.2 1560 447 ... ... ... 15io t ... ... ... 200 2850 ... ... 76.7 - 78.5 46.2 -192 39 t 9.9 185 ... 170 ... ... t 170t 13662 - 67.0 - 83.7 19.4 - 35.7 152.1 - 87.4 - 62 315 t t 9502 1412 t t 129t 850t 302 ... ... Pressure mmHg 752 53 760 ... ... ... ... 68 760 760 760 760 760 ... ... ... ... ... ... ... ... ... ... ... ... 760 subl. 760 760 56 731 760 ... ... ... ... ... 760 760 760 755 755 760 47 ... ... ... ... ... 760 760 760 760 ... ... ... ... ... Prepared by F. C. Kracek, Geophysical Laboratory, Carnegie Institution of Washington. t Decomposes. $ At 2.5 atm pressure. 5 At 5.2 atm pressure. (contimed) SMITHSONIAN PHYSICAL TABLES 121 TABLE 120.-DENSITIES AND MELTING AND BOILING POINTS OF INORGANIC COMPOUNDS (concluded) Substance Density about Meltitg Chemical formula 2O'C Doint. C Mercurous chloride ....... Hg2CIz ............... 7.10 Nickel carbonvl ......... NiC.0, ............... 1.32 nitrate- ........... NI((Nb3)Z + 6 H,O ... 2.05 oxide ............ N i 0 ................. 6.69 anhydride ......... Nz05 ................. 1.64 Nitric acid .............. H N 0 3 ................ 1.502 oxide ............. NO ..................... peroxide .......... Nz04 ................. 1.49 Nitrous anhydride ....... N20, ................. 1.45 oxide ........... N 2 0 .................... Phosphoric acid (ortho) ... H3P04 ............... 1.83 Phosp:iorous acid ........ H3P03 ............... 1.65 disulfide ..... P3SB .................... oxychloride .. POCL ................ 1.68 pentasulfide .. PZSS ... trichloride . . PCls trisulfide .... P,S3 ...... Potassium acid phosphate.. KHZPO. .. carbonate ..... K2C03 .... chlorate ....... ............... 2.34 chloride ....... KC1 .......... 1.99 chromate ..... K2CrOI .............. 2.72 cyanide ....... KCN ................ 1.52 dichromate .... K2Cr201 .............. 2.69 hydroxide ..... KOH ................ 2.04 nitrate ........ KNO, ............... 2.10 perchlorate .... KClO, ........... 2.52 ........... 2.66 ........... 5.56 3 ............... 4.35 perchlorate ........ AgCIOI .............. 2.81 phosphate ......... Ag3POI .............. 6.37 metaphosphate ..... AgP03 ................. sulfate ............ AgSO, ............... 5.45 Sodium carbonate ........ NaZCO3 .............. 251 chlorate ......... NaC103 .............. 2.48 chloride ......... NaCl ................ 2.17 hydroxide ....... NaOH ............... 2.13 hyposulfite ....... NaLL + 2 H,O ........... metaphosphate ... NaP03 . nitrate .......... NaNO? . perchlorate ...... NaClO, .............. 2.53 pyrophosphate ... NarPzOl .............. 2.45 tetraborate ....... Na2B,01 .............. 2.36 Sulfur dioxide ........... SO2 .................... Sulfuric acid ............ HSOa ................ 1.83 acid ............ H S O , + H20 ........ 1.79 acid (ovro) ..... .............. 1.89 trioxide .......... SO,a .... nitrate ............. Zn(NC sulfate ............. ZnSO, . . 302 & - 25 56.7 2090 - 42 30 4 6 3 . 6 - 9.3 -102 -102.4 42.45 73.6 298 1.3 276 172.5 252.6 t 89 1 368.4 776 968.3 634 398 360 334 610 1076 455 212 486 t 849 482 652 85 1 248 80 1 318 - 91 52 t Boiling point, "C 384 43 136.7f 86 48 t -151.8 21.3t 3.5t 3.5t ... ... ... 337 II 108 514 75.5 407.5 400 t 1500 t ... ... ... ... 1320 400 f 410 t t 550 444 t ... ... ... 085 t t t 1413 t ... subl. 640 >I100 380 t 310 t 482 t 880 ... 884 t 32.88 ... 741 1570 - 72.7 - 10 16.8 44.9 10.5 338t 8.61 290t 35 t Pressure mmHg ... 760 760 760 760 760 760 760 760 760 760 760 750 760 ... ... ... ... ... ... 760 ... ... ... 760 760 ... ... ... ... ... ... ... ... ... ... 760 760 ... ... ... ... ... ... ... 760 760 760 760 760 760 760 760 760 760 ... ... /I At 10.5 mmHg pressure. SMITHSONIAN PHYSICAL TABLES 122 TABLE lPl.-DENSITIES AND MELTING AND BOILING POINTS OF ORGANIC COMPOUNDS Chemical Density Substance formula g/cms Paraffin series : C,H2.+2. Methane ........... CH4 .......... 415 Ethane ............ CZHe ......... 546 Propane ........... CaHs ......... 595 Butane ............. c4H10 ......... 601 1 Pentane ........... C5H12 ......... 631 Hexane ........... C.H.. ......... 660 Heptane ........... ClHle ......... 684 Octane ............ GH18 ......... 704 Nonane ............ CgHz0 ......... 718 Decane ............ C1OH22 ........ 747 Undecane ......... CIlH24 ........ 741 Dodecane .......... CIZHZO ........ 768 Tridecane ......... CI~HZ ........ 757 Tetradecane ....... c~H30 ........ 765 Pentadecane ....... C15H32 ........ 772 Hexadecane ....... CieHa, ........ 775 Heptadecane ....... CiIHae ........ 778 Octadecane ........ C,sH, ........ 777 . Nonadecane ....... C&40 ........ 777 Eicosane .......... C20H42 ........ 778 Heneicosane ....... C21H44 ........ 775 Docosane .......... c22H48 ........ 778 Tricosane ......... C23H48 ........ 779 Tetracosane ....... C Z ~ H ~ ~ ........ 779 Pentacosane ....... C&52 ........ 779 Hexacosane ....... C2,H5, ........ 779 Heptacosane ....... C2,H5, ........ 779 Octacosane ........ C2aH, ........ 779 Nonacosane ....... CmHeo ........ 780 Triacontane ....... C3&2 ........ 780 Hent riacontane .... C3, HOr ........ 781 Dotriacontane ..... C32HW ........ 775 Tetratriacontane ... CrHTo ........ 781 Pentatriacontane ... C36H72 ........ 782 Hexatriacontane ... CJuH7, ........ 782 Pressure 1 atm Melting Boiling unless Tzmp . pfint point otherwise C C "C stated Normal compounds only -164 . 88 . 44 0 20 20 20 17 20 20 20 20 20 20 20 20 20 20 32 37 45 44 48 61 20 20 60 20 20 20 68 79 20 75 76 -184 -172.0 -189.9 -135.0 -138.0 . 94.3 . 90.0 . 56.5 . 53 . 32.0 . 26.5 . 12 . 6.2 + 5.5 + 10 20 22.5 28 32 38 40.4 44.4 47.7 54 54 60 59.5 65 63.6 70 68.1 75 76.5 74.7 76.5 -161.4 . 88.3 . 42.0 + .6 + 36.2 69.0 98.4 124.6 150.6 174 197 216 234 252.5 270.5 287.5 303 317 330 205 215 224.5 320.7 324 284 296 270 318 348 235 302 310 255 331 265 15 mmHg 15 mmHg 15 mmHg 40 mmHg 40 mmHg 15 mmHg 40 mmHg 40 mmHg 1.0 mmHg 15 mmHg 15 mmHg 1.0 mmHg 15 mmHg 1. 0 mmHg Olefines or the Ethylene series : CnH2.. Normal comDounds only Ethylene .......... C2H. ......... 566 -102 Propylene ......... C3He ......... 609 - 47 Butylene .......... C.H. ......... 635 - 13.5 Amylene .......... C. HI. ......... 651 20 Hexylene ......... CeHu ......... 67 0 Heptylene ......... C7Hl, ......... 703 20 Octylene .......... CsHie ......... 722 17 Nonylene .......... CBHl6 ......... 73 15 Decylene .......... CloHm ........ 763 0 Undecylene ........ CllH22 ........ 763 20 Dodecylene ........ CI2H2, ........ 762 15 Tridecylene ........ CIIHZ8 ........ 80 0 Tetradecylene ...... CX4H26 ........ 775 20 Pentadecylene ...... c15HW ........ 814 Hexadecylene ...... CieHaz ........ 789 20 Octadecylene ...... C16H38 ........ 79 1 20 Eicosylene ......... CmH40 ........ 871 0 Cerotene .......... C27Hs ....... Melene ............ C30HW ........ 890 20 (continued) -169.4 -103.8 -185.2 . 47.0 -139 + 36.4 - 98 69 . 10 9699 104 . 87 . 31.5 . 12 123 149.9 172 193 96 232.7 246 15 mmHg 247 + 4 274 + 19 179 15mmHg 395 58 63 380 SMITHSONIAN PHYSICAL TABLES 123 TABLE 121.-DENSITIES AND MELTING AND BOILING POINTS OF ORGANIC COMPOUNDS (continued) Pressure 1 atm Melting Boiling unless Substance formula g/cm3 C C C stated Chemical Density Tpmp . pzint y i n t otherwise Acetylene series : CnHzn.z . Normal ( Acetylene ......... CzHz ......... 613 - 80 Allylene ........... C3Hl ......... 660 - 13 Ethylacetylene ..... CIHs ......... 668 0 Propylacetylene .... CsH8 ......... 722 0 Butylacetylene ..... CBHlo ....... Amylacetylene ..... CIHlz ........ 738 13 Hexylacetylene .... C8Hlr ....... 270 0 Undecylidene ...... Dodecylidene ...... . 810 - 9 Tetradecylidene .... 306 + 6.5 Hexadecylidene .... 304 20 Octadecylidene ..... 302 30 :ompounds only . 81.8 . 83.6 -104.7 . 27.5 -130 + 18.5 . 95 + 40 . 70 110.5 -150 71.5 125 213 + 6.5 134 - 9 105 Y'mHg 20 160 " " " 30 184 " " " Monatomic alcohols : C,,H,.+,OH. Normal communds only Methyl alcohol ..... CH30H ...... 792 20 Ethyl alcohol ...... CzHsOH ..... 789 20 Propyl alcohol ..... CsH, OH .... 804 20 Butyl alcohol ...... C. HDOH ..... 810 20 Amy1 alcohol ...... C5Hl10H ..... 817 20 Hexyl alcohol ..... C.H.. OH ..... 820 20 Heptyl alcohol ..... GHlsOH .... 317 22 Octyl alcohol ....... GH.. O H ..... 827 20 Nonyl alcohol ...... CoHlpOH ..... 828 20 Decyl alcohol ...... CIoH2, OH ... 329 20 Undecyl alcohol .... C,,H, OH ... 333 20 Dodecyl alcohol .... C..H, OH ... 331 20 Tridecyl alcohol .... C13HnOH .... 822 31 Tetradecyl alcohol .. C. HmOH .... 824 38 Pentadecyl alcohol .. ClSH, OH ... Cetyl alcohol ...... C16HmOH .... 798 79 Octadecyl alcohol .. C18Hs10H ... 312 59 . 97.8 -117.3 -127 . 89.8 . 78.5 . 51.6 . 16.3 - 5 + 7 + 19 24 30.5 38 46 49.3 58.5 34.6 Alcoholic ethers : C.Hm+zO Dimethyl ether ..... C. H.0 ....... 6606 20 -138 Diethyl ether ...... GHIDO ....... 714 20 -116.3 Dipropyl ether ..... C.H,,O ....... 747 20 -122 Di-n-butyl ether ... C8H180 ....... 769 20 Di-sec-butyl ether . . ' I . 756 21 Di-iso-butyl ether . . . 762 20 Diamyl ether ...... CloHZ20 ...... 774 20 Di-iso-amyl ether . . " . 783 12 Dihexyl ether ...... C..H, 0 ..... Diheptyl ether ..... C..H, 0 ...... 815 0 Dioctyl ether ....... C..H, 0 ...... 820 0 ' I Ethyl ethers : C.Hzn+20 Etbyl-methyl ...... C3H80 ....... 73 20 -propyl ....... C5HlzO ....... 747 20 <- 79 .. -isopropyl . . . . . . . 745 0 .. .n . butyl ...... C.H.. 0 ....... 752 20 .. -iso-butyl ..... . 751 20 .. .is,. amyl ..... CrHlaO ....... 764 18 .. .n . hexyl ..... C8Hls0 ....... 63 .. .n . heptyl ..... CDHzoO ....... 790 16 .. .n . octyl ...... ClnHpO ...... 794 17 (continued) 64.5 78.5 97.8 117.7 137.9 155.8 175.8 194 215 231 146 30 mmHg 259 156 15 mmHg 167 15 mmHg 344 210.5 15 mmHg . 24.9 + 34.5 89 149 121 122.5 190 172.2 208.8 260 291.8 + 7.9 61.4 54 91.4 80 112 137 166.6 183 8-123.3 b . pt . SMITHSONIAN PHYSICAL TABLES 1 24 TABLE 12l.-DENSITIES AND MELTING AND BOILING POINTS OF ORGANIC COMPOUNDS (concluded) Miscellaneous Densitv and Substance Chemical formula tern yiature C Acetic acid ........... CHLOOH ............. 1.115 0 Acetone .............. CH3COCHa .............. 792 0 Aldehyde ............. CIHIO ................... 783 0 Aniline ............... CoH6NHz ............... 1.038 0 Beeswax ...................................... 962 ... Benzene .............. CeHs .................... 879 20 Benzoic acid .......... GHeO, ................. 1.293 4 Benzophenone ........ (C.H.). CO .............. 1.090 50 Butter ......................................... 90 ... Cainphor ............. CioHieO ................. 99 10 Carbolic acid ......... C.H. OH ................ 1.060 21 Carbon bisulfide ...... CS. .................... 1.292 0 tetrachloride .. CCl, .................... 1.582 21 Chlorobenzene ........ CeHrCl ................. 1.11 1 15 Chloroform ........... CHCI. .................. 1.4989 15 Cyanogen ............ CZNz .......................... Ethyl bromide ........ CzHaBr ................. 1.45 15 chloride ........ CzHsCl .................. 918 8 ether ........... C. HioO .................. 716 0 iodide .......... CzHsI .................. 1.944 14 Formic acid .......... HCOOH ............... 1.242 0 Gasoline ....................................... 682 ... Glucose .............. CHO(HCOH).CH, OH .. 1.56 ... Glycerine ............. C.H.O. ................. 1.269 0 Iodoform ............. CHI3 ................... 4.01 25 Lard .......................................... 90 Methyl chloride ....... CH. C1 ................... 0992 -24 iodide ........ CHJ ................... 2.285 15 Naphthalene .......... CaH,.C,H4 .............. 1.152 15 Nitrobenzene ......... C.H.O. N ............... 1.212 7.5 Nitroglycerine ........ C.H.N.0, ............... 1.60 ... Oleomargarine ................................ .92-. 93 20 Olive oil ...................................... 92 ... Oxalic acid ........... C2H,04.2Hz0 ........... 1.68 ... Parafin wax. soft .................................. hard .................................. Pyrogallol ............ CBH.(0H), ............. 1.46 40 Spermaceti .............. ................. 95 15 Starch ............... C.H. ................ 1.56 ... Stearine .............. ( C.gH3.0.),C3H. .......... 925 65 Sugar. cane ........... C..H..O.. ............... 1.588 20 Tallow. beef ................................... 94 15 mutton ................................ 94 15 Tartaric acid ......... C.H.O. ................. 1.754 ... Toluene .............. CoH6CHI ............... 322 0 Xylene (0) ........... CRH4(CH3)2 .............. 863 20 (m) .......... C.H.(CH.). .......... 864 20 (P) ........... CeH. ( CHI) . .......... 861 20 ... Melting point "C 16.7 - 94.6 -124 - 6 62 121 48 25 176 41 -108 - 28 -40 - 63.3 - 35 -117 -141.6 -116 5.48 108 8.6 ... 146 17 119 29k . 98 . 64 80 5 3 35-38 20 t 190 35-52 5256 45 k 133 none 71 160 27-38 32-41 170 . 92 . 28 54 15 Boi!ing point "C 118.5 56.1 20.8 183.9 ... 80.2 249 305.9 ... 209 182 46.2 76.7 132 61.2 -21 38.4 12 34.6 72 100.8 70-90 ... 290 ... ... -24.1 42.3 218 211 ... 3002 35b-390 390-430 293 ... ... ... ... ... ... iiO.31 142 140 138 SMITHSONIAN PHYSICAL TABLES TABLE 122.-MELTING POINT OF MIXTURES OF METALS 125 Melting points, "C Percentage of metal in second column Metals 6 10 20 30 40 (0 60 70 80 90 GO 295 290 710 460 360 870 250 750 630 675 625 640 861) 645 610 595 276 790 545 420 920 275 840 600 740 615 620 101 5 635 590 570 - 262 880 590 400 925 330 925 560 800 600 600 1110 625 575 545 525 540 1200 590 245 610 270 295 - 240 179 917 620 370 945 395 945 540 855 590 580 1145 620 555 520 480 570 1235 645 285 700 262 313 905 1054 1320 5 205 1320 910 725 900 690 550 60 - 2 0 145 760 650 330 950 440 950 580 91 5 580 560 1145 605 540 500 430 185 168 480 775 250 985 525 1000 755 1025 570 510 1315 570 470 545 350 52s 200 205 410 840 200 1005 560 1040 930 1055 650 475 1425 560 405 680 310 510 216 425 905 130 1020 600 1010 1055 675 750 425 1 500 540 330 850 255 470 8nrl - 232 271 452 %1 1083 630 630 1083 1063 961 41 9 1533 232 271 961 232 419 232 271 321 961 303 419 1083 97.5 Pb Sn .... 327 Bi .... 327 Te . . . . 327 Ag . . . 327 Na .... 327 Cu .... 327 190 126 600 705 290 955 490 970 610 970 575 530 1220 590 520 505 395 540 1305 720 330 805 245 340 975 1039 1455 26 110 220 1380 830 630 820 630 450 22 Sb .... 327 Al Sb .... 660 Cu .... 660 Au . . . . 660 Ag .... 660 Zn . . . . 660 Fe . . . . 660 Sn .... 660 Sb Bi .... 631 Ag Sn Zn Ni Sn Na Bi Cd Cd Ag T1 .... .... .... .... 631 63 1 63 1 1453 97.5 97.5 321 600 570 555 510 1380 1290 425 520 125 185 420 520 300 285 280 270 910 890 1062 1061 1125 1190 17.5 -10 133 165 1180 1240 1035 990 1005 890 1040 995 850 755 870 750 90 80 - - ~. 565 1290 690 325 760 258 327 .~. 1230 730 340 850 230 355 ... 1060 715 360 895 210. 370 -__ 570 390 940 235 321 321 Zn Au Cu 390 .... ... ... ~~~ 1063 1063 1063 63 63 895 1058 1250 -3.5 1025 1006 1610 58 162 280 1430 814 530 700 570 375 95 1060 982 1685 77 265 305 925 1049 1380 11 90 215 1335 870 680 880 660 495 45 ~ . . ~ 96 1 1769 97.5 Ag Pt K Na ?f Cu Ni 1025 1530 41 135 240 1410 788 580 780 - 188 1290 945 755 930 705 630 70 - 303 1453 63 1083 1440 875 440 580 505 300 215 Ag Sn Zn Ag Zn Sn Na Ha 1083 961 232 419 419 232 .... .... .... 1083 1083 961 %1 97.5 6io 420 55 TABLE 123.-MELTlNG POINT "C OF LOW-MELTING-POINT ALLOYS * Percent Cadmium .. . . . . ... . 10.8 10.2 14.8 13.1 6.2 7.1 6.7 Tin . . . . . . .. . . . . . . . . 14.2 14.3 7.0 13.8 9.4 - - Lead . . . . . . . . . . . . . . 24.9 25.1 26.0 24.3 34.4 39.7 43.4 Bismuth . .. . . .. . . . . 50.1 50.4 52.2 48.8 50.0 53.2 49.9 Solidification at . . .. 65.5" 67.5" 68.5" 68.5" 76.5" 89.5" 95" Percent ~~ Lead . . . . . . . . . . . . . . 32.0 25.8 25.0 43.0 33.3 10.7 500 35.8 20.0 70.9 Tin . . . . . . . . . . . . . . . . 15.5 19.8 15.0 14.0 33.3 23.1 33.0 52.1 60.0 9.1 Bismuth . . . . . . . . . . . 52.5 54.4 60.0 43.0 33.3 66.2 17.0 12.1 20.0 20.0 Solidification at .... 96" 101" 125" 128" 145" 148" 161" 181" 182" 234" See Table 201. SMITHSNIAN PHYSICAL TABLES 126 TABLE 124.-REVERSIBLE TRANSITIONS I N CRYSTALS * Values are given, for the more important crystals, of the inversion temperature in "C, the heat of inversion in cal/g and the inversion volume change in cm*/g. No monotropic inversions have been included. h,, inversion temperature on heating ; m, metastable inversion temperature ; e, estimated ; g, gradual inversion (not to be confused with slow retarded inversions). Substance AgClOI ............... AgBrO, ............... AgI ................... AgzS .................. AgzSOr ............... &Nos ............... AS203 ................. AszSz ................. AS& ................. Ag&e ................. AlBr3 ................. Bit03 ................. BaCL ................. BaSO, ................ BaC03 ................ Br30s ................. co ................... CH, ................... CHxOH ............... CClr .................. BaClOr ................ CBr, .................. CHzIi ................. CHrNz0 .............. (Urea) CHZCOOH ............ CHaCONH, ........... (CH3)zCO Z ........... C2Cla ................. GH,NO, (IJrethane) ... ( Acetamide) (Perchlor ethane) Phases .... .... 1-11 1-111 11-111 .... .... .... .... red-black red-yellow .... .... .... .... .... I I 0 1-11 11-IT1 1-111 1-11 1-111 11-111 L-1-11 L-11-111 I-11-IV 11-IIT-IV 1-11 1-111 11-111 L-I L-I1 1-11 L-I L-I1 1-11 1-11 1-11 11-111 L-I L-I1 L-I11 1-11 11-111 1-111 Transition Pressure t'C 158 98.5 99.4 99.4 {%.4 175 133 412 159.5 70 275 267 1 70 704 t 924 284 1149 811 & 982 - 35 -212.8 -252.7 -112 115 115 112.6 112.6 8.6 42.8 9.4 38 102.3 102.3 102.3 {-1:!5 {lE 55.7 55.7 127 127 127 atm .... 1 2720 2720 2720 .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 1 8460 8460 8460 1 2110 2110 21 10 180 1930 325 1825 6535 6535 6535 1 203 1 2033 2033 5220 5220 5220 -140 to -150 .... 71.1 1 42.7 1 1 { :2:z 2270 2270 { % 4090 76.8 4090 2270 { 22:; 3290 4990 { zz:: 3290 25.5 3290 Transition heat cal/g .... .... 5.72 4.95 4.22 .76 3.85 5.65 3.37 6 .... .... .... .... .... .... .... .... .... .... 5.4 1.15 4.8 7.1 9.8 .9 10.7 5.04 4.58 .25 4.66 .... .... .... 2.34 10.14 7.80 45 46.4 48.2 60.9 58.5 <.5 1.85 2.41 6.93 2.63 40.7 37.9 35.9 34.4 40.6 2.07 1.64 6.12 5.50 3.87 Transition volume change Cms/K .... .... .OO% .0101 .014 .0241 .... .... .... .0025 .... .... .... .... .... .... .... .... .... .... .... .... .... .026" .0173 ,0054 .0227 .0205 ,0150 .0029 .0121 .... .... .... .... ,0480 .0486 .0006 .I560 .0862 .0992 .0130 .0319 .0649 .0330 ,0280 .0097 .0599 .0253 .0355 .0184 ,0640 .o 102 ,0092 .0456 .0482 .0574 .... ' Arranged by F. C. Kracek, Geophysical Laboratory, Cnrnegie Institution. All other footnotes at end of table. (Corltinllctf) SMITHSONIAN PHYSICAL TABLES 127 TABLE 124.-REVERSIBLE TRANSITIONS IN CRYSTALS (continued) Substance CBH6 (Benzene) ........ C,H,OH (Phenol) ..... CH,C,H40H (o.Creso1). Camphor 5 ............. CeHiiOH ............ CeHaNHzHNOs ...... CaSO, ................ CaCO., * ............... Ca0.Si02 ............. 2Ca0.Si02 ............ c o .................... c o o .................. CoOH ................ CSCl .................. csc104 ................ cs2s0, ................ CsNOa ................ Cs2Ca2( .......... Cu2Brl ................ cu212 .................. cu2s .................. CulSe ................. Cu2Te ................. Fe .................... FerO, ................. Fe203 ................. Fe S ................... FeS2 .................. Fe2P .................. Fe3P .................. FeTiO, ................ HgIz .................. HgzIz ................. HgS .................. ICI ................... KOH ................. KCIO, ................ KCIO, ................ K2S ................... KNO, ................. Phases 1-11 L-I L-I1 L-I L-I1 1-11 L-I L-I1 1-11 1-11 1-11 .... 1-11 .... .... Curie point 1-11 11-111 .... .... .... .... .... .... cur'ik'&int B-r y-8 Curie point 11-111 - 1-11 pyrite, marcasite .... .... .... .... red-yellow {green- y ellow cinnabar metacinnabar ruby-brown Transition Pressure t"C atm 11680 {i!: 11680 1 {21i4 11680 218 11680 1 { 46?9 2015 64 2015 64 2015 1 {li% 5900 103.2 5900 103.2 5900 87.1 1 -9 1 97.6 ... 1193 .... 1190a10 .... 970 high COZ 1420,675 .... -1100 .... 1015 .... 400 .... 350210 .... 223 .... 460 .... 219 .... 660 .... 153.5 1 722 .... 390,470 .... 402,440 1 200 9600 100 11560 91 .... 110 .... 351,387 .... 730 .... 920 .... 1400 .... 5702 .... -163 to -148 .... 500a ..,. 140 .... 80 .... 440 .... .... .... 215 .... 127.5 .... .... .... 3862 .... Transition heat caVg 8.68 7.73 30.2 33.25 * 25.5 29.8 24.8 30 5.2 33.8 34.2 35 .8 .25 9.38 .... .... .... Cn. 10 1.3 .... .... .... .... 11.8 8 4.3 .... .... .... .... .... 248 5500 1-11 255 11-111 P = 5500 +'io.st &I, = .02510 - 2 . 2 X lo-' Ah, = .165 at .... 1-11 1-11 1-111 11-111 111-IV 11-IV .... .... 1.091 .948 5.6 5.4 6.7 2 6.7 2 2 2.25 .... .... .... .... .. .... .... 1.3 .5 -t .... .... 1 1 10.5 81 10.3 128 81 5.6 81 {?.3 2840 21.3 2840 21.3 2840 t = 146.4 + .0124P .... 27.1 00, 281 .765 .... .... 4.7 1.3 5.1 3.8 Transition volume change cms/g .0105 .0132" .1317 .0369" ,0501 * .0567 .0270 .0825 .0555 .0838 ,0317 .0555 .0238 .00187 .... .... .... .... .... lOC/o, 675 .... .... .... .... .... .... .... .... .00405 .... .... .... .00485 .00535 .... .... .... .... .... .... .... .... .... .... .... .... .... .... .00342 .... .... .... .... at 200" .... .OW95 .00481 .0049 .0138 .0089 .0156 .0284 .0440 (continurd) SMlTHSONlAN PHYSICAL TABLES TABLE 124.43 EVER SlBLE TRAN SITIONS IN CRYSTALS (continued) Transition Transition volume rransition Pressure heat change t"C atm caVg cmS/g Substance KzSOI ................ KHSO, ............... Phases 13 .71 .... .00066 .00197 .00566 .00570 1 1773 1 1-11 11-111 11-IV I-IV 111-IV 2.29 3.61 3.30 .166 .134 2.03 3.44 .............. .............. .............. .............. ) z ........... .............. .............. .............. .............. .............. 450 .... .... .... 278 .... .... .... 410 .... .... .... 143 1 3.10 ,00306 .... .... .... .... .... .... KCNS .. K*Pb( SO, K*CdI, .. KzCrO, . K,Cr*O, . KzMoOi . KZWO, . .... .... .... .... .... .... .... .... .... .... 12.6 1.40 .... .... .... .... 8.2 1.6 KZCa2(S0& ........... K 3 r ( ............ KLiSO, ............... KSOZ ................. 937 .... .... .... .... .... .... 1-11 .... .... 775 .... 435 .... 290 .... 714 .... 41.5,99 .... 580 .... 266 .... {lz: 1 E .... .... .... .... 11.7 .0315 7.15 .0378 .... .... .... .... K,O( SiO,), ............ 2KzO(AlZO3)(SiOl)~" . . LiCI03 ................ .... .... 55*1 .... 1.8 .... LiSO, ................ (&O)?(B;03)sMgCI ... MgO.SIOz ............ .... .... .... .... .... 74i,'ii9i .... ..>. .... .... .... Mn ................... MnSO, ................ MnOz ................. MnO .................. N* .................... NH,Cl ................ KHIBr ................ XH41 ................. NH,ClO, .............. NHIHSOI ............. (NH,)3H(SO,)z ....... NH,CNS ............. NH,NOj .............. 860 .... -185 to -175 .... -153 to -163 .... .... .... .88 .... 2.08 .... 1.9' .... .... .... -237.6 .... -30.5' .... 184.3 .... -38' .... .... 1-11 1-11 1-11 11-111-IV 1-11 11-111 L-I 1-11 I-VI 11-VI .... .... 1-ii:I-11 .... ... .... 16.3 .0985 .... 7.78 4.80 .... .... .0647 137.8 1 -42.5' ..., - 17.6 1 .... ,0561 240 .... 126.2 1800 176.9 5480 .... .. .. .. 134 .... 120 .... 87.7 1 169.5 1 1 {;% 8730 186.7 8730 8870 {igz:! 8730 1 { :!.3 830 1 { 2g.3 830 830 {I:; 8870 169.2 8870 -18 1 300 .... 308 .... 248 .... 185 .... 24 1 .... .... 10.36 16 12.9 12.6 12.3 .27 .33 4 .... .0409 .051 ,01351 .00475 .00855 .00309 .00380 .00758 ,00925 ,02026 .02135 .01210 .01267 .00958 .017 .... .... 11-111 111-IV 11-IV IV-VI IV-v .... .... .... IV-I11 111-1 2.48 4.67 4.03 6.51 11.84 12.1 1.6 24.7 NaOH ................ NaClO. ............... NaC103 ............... Na2S0, ............... .... .0034 .0070 .... 8.6 15.5 (continued) SMITHSONIAN PHYSICAL TABLES 129 TABLE 124.-REVERSIBLE TRANSITIONS I N CRYSTALS (concluded) Substance NaF.NaZSO4 ........... NazCOs ............... NaNO, ............... NaaAlFa .............. NazMoO, ............. NazWO, .............. NaAlSiO, ............. NaCzHoOI ............ Ni .................... NisSz ................. NisAsz ................ Oxygen ............... Phosphorus ........... PbO .................. PbSO, ................ PbCrO, ............... PtiWO, ............... RbOH ................ RbCIO, ............... RbSO, ............... RbCa,( SO,), .......... RbLiSO, .............. RbNOj ................ RbCl .................. RbBr ................. RbI ................... Sulphur ............... SbzOa ................. SbCI, ................. SiO, .................. SiO, ................. SiO, ................. SiO, .................. Sn .................... SnO, .................. SrSO, ................. SrCO, ................ TlClOi ................ T1I ................... TIN03 ................ TI picrate ............. TI .................... TiBr, ................. wzc .................. ZnS 4 .................. ZrOz .................. Phases .... .... .... .... I-L 11-1 111-11 neph.-carn. carnegieite Curie point 1-11 11-111 .... .... .... L-I 1-11 red-yellow .... .... .... .... .... .... 1-11 11-111 .... .... .... .... 1-11 L-1-11 rhomb.-reg. 1-11-111 1-11 1-11 1-11 11-111 0 , L 0, r a, r .... .... .... .... .... .... .... 1-11 11-111 ... ... .... .... .... .... Transition Transition Pressure t"C atm 105 .... 430 .... 275' .... 568 .... 424,585,623 .... 581.6 .... .588.8 .... 695.5 .... 1250 .... 226,650-690 .... 198' 355 545 970 -229.5 -249.5 { 68: 587 870 707,783 877 245 279 653 787,915 142 219 164.4 218.6 50 50 50 95.5 155 570 65,69.5 573 215 150h 104 867 1250 1470 161 18 430,540 1152 925 226 173 144.6 75 44 230 -15 2400 1020 ca 1000 .... .... .... .... .... .... 1 6000 6000 12000 .... .... .... .... .... .... .... .... 1 5810 5525 4925 4050 1 1410 .... .... .... .... .... .... .... .... .... .... .... .... .... high COZ .... .... 1 1 .... .... .... .... heat caV8 (8&2) 59 25.1 3.3 19.4 cal .... ... .... .... .... .... .... .... 6.2 .75 4.90 6.53 43.9 55.2 13.4 .... .... .... 16.8 .... .... .... .... .... 7.12 5.93 .... .... .... 2.7 .... .... .... 2.6 2.7 8.7 7.5 .2 4.4 .63 .96 25 .... .... .... .... .... 2.86 .89 .3 k .... .... .... .... .... Transition volume change cmS/g .... .... (.0081) .018 .oo .035 .... .... .... .... .... .... .... .... .0193 .0120 .00846 .00684 .... .... .... .... .... .... .... .... .... .... .00688 .00434 .... .... .... .... .... .... .... .... .... .... .... .... .... .... small .... .... .... .... .... .... .00244 .OW73 .018 .... .... .... .... .... t Third modification at room temperature. f: Acetone. D Five other modifications; not accurately located. ll Very heautiful for demonstration purposes. a Leucite. b Probably pentamorphic, inv. at 1150" and 1300C. c Acetate. d Sluggish. e Quartz. f Cristobalite. g Zincblende and wurtzite. h Tridymite. SYITHSONIAN PHYSICAL TABLES 130 TABLE 125.-TRANSFORMATION AND MELTING TEMPERATURES OF LIME- ALUMlNASlLlCA COMPOUNDS AND EUTECTIC MIXTURES * Percent - Substance CaO AI..O:t SiO? 51.8 _ _ casioa .......... 48.2 - CaSi03 .......... 48.2 - CazSiO, .......... 65. - .......... 65. - " .. Ca3SizOl . Ca3SiOs .. Ca3AlzOa . CasAlsO14 CaALO. . CarAIloOls AlzSiOs .. CaAlzSizOa CazAlzSiOl CaaAlzSiOa ........ 65. ........ 58.2 ........ 73.6 ........ 62.2 ........ 47.8 ........ 35.4 ....... 24.8 - ........ ....... 20.1 ....... 40.8 ....... 50.9 - - - 37.8 52.2 64.6 75.2 62.8 36.6 37.2 30.9 Eutectics Percent Crystalline t - A - , phases CaO AI2O3 SIOZ CaSiO~,Si02 37 - 63. Ca,Si03 3Ca0,ZSiOZ } 67.5 - 32.5 CazSiOl CaO. A1,SiOs,SiOz - 13. 87. AlzSiOs,AlzO. - 64. 36. CaALSizos } 34.1 18.6 47.3 CaSi03 CaALSizos } 10.5 19.5 70. SiOz CaAlzSizos } 23.2 14.8 62. SiOz,CaSiOa CazA1zSiO1 } 49.6 23.7 26.7 Caz S i0, A1203 } 19.3 39.3 41.4 CaAlzSiSO8 CaA1zSizos *lzSiOs,>iOJ 9.8 19.8 70.4 CazAISlO1 } 35. 50.8 14.2 Ca3AlloOl~ CazA1zSiO1 } 37.8 52.9 9.3 Ca ALO. CazAlzSiOl CaALO. 37.5 53.2 9.3 CasAlloO18 CaA1.Siz08 CazAlzSiOl } 302 36i3 33' CaZAlzSiO, Ca3SizOl 1 47.2 11.8 41. CaSi03 CazAlaSio' } 45.7 13.2 41.1 CaSiOa } 54.5 - 45.5 51.8 35. 35. 35. 41.8 26.4 - - - - 37.1 43.3 22.0 18.2 Melting "?? 1436 14552 20652 1610 1810 1299 I359 1165 1545 1547 1345 552 512 505 385 1310 1316 Transformation Temp. "C Melting t .......................... 154022 a to p and reverse .................. 120022 Melting ........................... 2130210 y to p and reverse .................. 67525 p to a and reverse .................. 142022 Dissociation into CaSiO, and liquid.. 1475f5 Dissociation into CazSiO, and CaO. . 1 9 0 0 5 Dissociation into CaO and liquid.. .. 1 5 3 5 5 Melting ........................... 145525 Melting ........................... 1600*5 Melting ........................... 1720*10 Melting ........................... 1816r+10 Melting ........................... 1550*2 Melting ........................... 1590k2 and liquid ..................... 133525 Dissociation into CazSiO,+CazAlzSi01 Eutectics Percent Crystalline , - - A - > phases CaO A1-03 s10z Ca AlzSi20s AlzOa CazSiO, CaALO. 49.5 43.7 6.8 CaJAlsOl, Quintuple points 48.2 11.9 39.9 48.3 42. 9.7 CazA.lzSiOl CaaSilOl CazSiOI CazAlzSiO, Ca.Si0. i CaklzO. CaAlzSizOa CasAlloOls CazAlzSiOl AlzO? AlzSlOs A1zOa 15.6 31.2 36.5 44.5 47.9 24.3 Quadruple points Melting teomp. C 1265 1380 1335 1335 1380 1512 1475 1475 The majority of these determinations are by G. A. Rankin. t The accuracy of the melting paints is 5 to 10 units. (Geophysical Laboratory.) SMITHSONIAN PHYSICAL TABLES
