332 



TABLE 333.— VISCOSITY OF GASES AND VAPORS 

 Part 1. — Viscosity of vapors 



The values of y given in the table are 10" times the coefficients of viscosity in cgs units. 



Temp. 



Substance °C •») 



Acetone 18.0 78. 



Alcohol, Methyl 66.8 135. 



Alcohol, Ethyl 78.4 142. 



Alcohol, Propyl, norm. . . 97.4 142. 



Alcohol, Isopropyl 82.8 162. 



Alcohol, Butyl, norm.... 116.9 143. 



Alcohol, Isobutyl 108.4 144. 



Alcohol, Tert. butyl 82.9 160. 



Ammonia 20.0 108. 



Benzene 0. 70. 



19.0 79. 



100.0 118. 



Carbon bisulfide 16.9 92.4 



Carbon monoxide 20.0 184.0 



Chloroform 0.0 95.9 



17.4 102.9 



61.2 189.0 



Ether 0.0 68.9 



Temp. 



Substance °C 7) 



Ether 16.1 73.2 



" 36.5 79.3 



Ethyl chloride 0. 93.5 



Ethyl iodide 72.3 216.0 



Ethylene 0.0 96.1 



Mercury 270.0 489. 



300.0 532. 



330.0 582. 



360.0 627. 



390.0 671. 



Methane 20.0 120.1 



Methyl chloride 0.0 98.8 



15.0 105.2 



302.0 213.9 



Methyl iodide 44.0 232. 



Water vapor 0.0 90.4 



" 16.7 96.7 



" 100.0 132.0 



Part 2. — Viscosity of gases and vapors 120 

 (Temperature variation) 



SMITHSONIAN PHYSICAL TABLES 



