222 



Tables 193-195 

 CAPILLARITY AND SURFACE TENSION OF LIQUIDS 



Table 193. — Water and Alcohol in Contact with Moist Air 



Values represent means. See I.C.T. and L. and B. 

 for more elaborate tables. Tension (7) in dynes/cm. 



Table 194. — Miscellaneous Liquids in Contact with Air 



Liquid 



°C Dynes 

 per cm 



Richards '21 



Sudgen '24 



Mean 



CH 3 (CH 2 )..C0 2 H 



CS 2 



CCU 



Mean 



Aceton, (CH 3 ) 2 CO. ... 20 23. 



Acetic acid, CH 3 C0 2 H. 20 27. 



Amyl alcohol, C 6 Hi 2 0. 20 24 



Aniline, C 6 H 7 N 20 43 



Benzene, C 6 H 6 o 27 



" 20 28. 



Bromoform, CHBr 3 . . . 20 41. 



Butyric acid 15 26. 



Carbon disulphide ... . 20 32. 



Carbon tetrachloride. . 20 26. 



Chloroform, CHC1 3 . . . 20 27. 



Ether, C 4 H, O 20 17. 



Ethyl chloride 20 16. 



Glycerine 18 63 



Methyl alcohol 20 22 



Olive oil 18 33 



Petroleum 25 26 



Phenol, C 6 H 6 20 41 



Propyl alcohol ....... 20 23 



Silicon tetrachloride, 



SiCl 4 19 170 Ramsay 



Toluene, C 7 H 8 20 28.4 



Turpentine 20 27 



2 



01 



2 CH 3 C1 



C 3 H 6 (OH) 3 

 .6 CH 3 OH 

 .1 



.0 



CHj(CH 2 )iOH 



93 



Table 195.— Solutions of Salts 

 in Water 



Salt 



Salt 



Dynes 

 cm 



BaCl 2 o 



24.6 



CaCl 2 o 



12.3 



31-9 

 HC1 o 



15 

 25 



KC1 o 



23-3 

 21. 1 



NaCl o 



7.6 

 13-7 



NH4CI... o 



11 

 K 2 C0 3 .... o 

 39-4 

 53-6 

 Na 2 C0 3 . . . o 

 10.5 

 24.4 

 63.1 

 KNO3. ... o 

 15.2 



21.5 



NaN0 3 ... o 

 35-6 

 50.9 



CuS0 4 .... o 

 25-4 



H 2 S0 4 . ... o 

 12.7 

 47.6 

 80.3 

 90 



K 2 S0 4 . ... o 

 9.1 



HN0 3 . ... 7.2 

 50 

 70 



NaOH ... o 

 10 

 20 

 30 



KOH .... o 

 3-8 

 7.8 



30 



30 



30 



30 



30 



20 



20 



20 



30 



30 



18 



18 



18 



18 



18 



18 



30 



30 



30 



30 



30 



30 



30 



18 



18 



18 



30 



30 



30 



30 



30 



18 



18 



18 



18 



18 



18 



18 



20 



20 



20 



20 



20 



20 



20 



18 



18 



18 



71. 1 

 75-6 

 71. 1 



75-7 

 86.4 

 73-o 

 72.0 

 70.7 

 71. 1 

 76.8 



77-7 

 72.4 

 74.8 

 76.9 

 72.5 

 74-9 

 71.1 



89.4 

 107.2 

 71. 1 

 73-9 

 76.5 

 80.6 

 72.6 

 74-5 

 75-4 

 71. 1 

 78.4 

 82.8 

 71. 1 

 74.1 

 72.8 



73-5 

 76.7 

 71.2 

 63.6 

 72.7 

 74.6 

 73-i 

 654 

 594 

 72.8 



77-3 

 85.8 



95-1 

 72.8 

 74.1 

 75-5 



Smithsonian Tables 



