Table 484 (concluded) 

 RESISTIVITY OF METALS AND SOME ALLOYS 



4 II 



Substance 



Remarks 



Tempera- 

 ture, 

 °C 



Microhm 

 cm 



Refer- 

 ence 



Temperature coefficient 



Refer- 

 ence 



Osmium. . . 

 Palladium. 



Platinum. . 



Potassium. 

 Rhodium. . 



Rubidium. 



Silicium. . . 

 Silver 



Sodium. . . 



Strontium . 

 Tantalum . 

 Tellurium* 

 Thallium. . 



Therlo 

 Tin 



Titanium. . 

 Tungsten. . 



Zinc 



solid 



liquid 



99-98 pure 

 electrolytic 



liquid 



iooo°K 

 I500°K 



20OO°K 



3000°K 

 3S00°K 

 trace Fe 



liquid 



183 

 • 78 



- 203.1 



- 97-5 





 100 

 400 



- 75 



o 



55 



-186 



- 78.3 



o 

 100 



- 190 



o 

 35 

 40 



-183 



- 78 



o 

 98.15 

 192. 1 

 400 

 -180 



- 75 



o 



55 



116 



19.6 

 -183 

 - 78 



98.5 



- 78 



20 



727 



1227 



1727 



2727 



3227 



-183 



~ 78 



O 



92.45 



I9I-5 



440 



95 



II 



2.78 

 7.17 



10.21 



13.79 

 9.83 

 2.44 

 6.87 



10.96 



1485 



26 

 4 



6.1 

 8.4 



.70 

 3.09 

 5. 11 

 6.60 

 2.5 



1 1.6 



13.4 



19.6 



58± 

 1.629 

 •390 

 1.021 

 1.468 

 2.062 

 2.608 

 3-77 

 1.0 

 2.8 

 4-3 

 5-4 



10.2 



24.8 



15.5 

 200.000 

 4.08 



11. 8 



17.60 



24.7 



47 



H-5 

 3.40 

 8.8 



13 



18.2 

 3-2 

 5-51 



25.3 



41.4 



59-4 



98.9 

 118 

 1.62 

 3-34 

 5-75 

 8 



10.37 



37.2 



36 



5 

 17 

 17 

 17 

 17 

 31 

 17 

 17 

 17 

 17 



3 

 13 

 13 

 13 



17 

 17 

 17 

 17 

 5 

 5 

 17 

 17 

 17 

 17 

 15 

 29 

 29 

 29 

 29 

 29 

 29 

 17 

 17 

 17 

 17 

 17 

 7 



25 

 100 

 500 



18 

 500 



1000 



+.0033 

 +.0035 



+.003 

 + .0037 



+.0057 



+ .0043 



+.0038 

 +.0030 

 +.0036 

 +.0044 



+.0054 



+ .0031 



+.00001 

 +.0042 



+ .0045 

 +.0057 

 +.0089 



+.0037 



References to Table 484: (1) See page 421. (2) Jager, Diesselhorst, Wiss. Abh. D. Phys. Tech. Reich. 

 3, p. 269, 1900. (3) Nicolai, 1907. (4) Somerville, Phys. Rev. 31, p. 261, 1910; 33. P- 77, 191 1. (5) Circular 

 74, Bureau of Standards, 1918. (6) Eucken, Gehlhoff. (7) Dela Rive. (8) Matthiessen. (9) Jager, Diessel- 

 horst. (10) Lees, 1908. (11) Mean. (12) Guntz, Broniewski. (13) Hackspill. (14) Swisher, 1917. (15) 

 Shukow. (16) Reichardt, 1901. (17) Dewar, Fleming, Dickson, 1898. (18) Wolff, Dellinger, 1910. (19) 

 Erhardt, 1881. (20) Broniewski, Hackspill, 191 1. (21) Dewar, Fleming. 1893. 1896. (22) Circular 58. 

 Bureau of Standards, 1916. (23) Strouhal, Bams, 1883. (24) Vincentini, Omodei, 1890. (25) Bernini, 

 1905. (26) Glazebrook, Phil. Mag. 20, p. 343, 1885. (27) Grimaldi, 1888. (28) Fleming, 1900. (29) Lang- 

 muir. Gen. Elec. Rev. 19, 1916. (30) Eucken-Gehlhoff, 1912. (31) Wenner-Lindberg, I. C. T., 1929. 

 (32) Bidwell, 1922. (33) Mean. (34) Gumlich. (35) Worthing, I. C. T., 1929. (36) Blau, 1905. 



* See note to Table 467. 

 Smithsonian Tables 



