﻿998 
  

  

  Mr. 
  H. 
  Ogden 
  on 
  the 
  

  

  the 
  comparison 
  of 
  the 
  saturation 
  curves 
  for 
  oxygen, 
  carbon 
  

   monoxide, 
  and 
  ammonia. 
  According 
  to 
  any 
  such 
  hypothesis 
  

   the 
  form 
  of 
  the 
  saturation 
  curve 
  with 
  a 
  given 
  apparatus 
  (the 
  

  

  Fig. 
  4. 
  

  

  Motn 
  

  

  effect 
  depending 
  of 
  course 
  on 
  the 
  dimensions 
  of 
  the 
  chamber) 
  

   must 
  be 
  determined 
  wholly 
  by 
  the 
  constants 
  mentioned 
  on 
  

   page 
  995. 
  These 
  constants 
  are 
  given 
  in 
  the 
  following- 
  

   table 
  : 
  — 
  

  

  Property. 
  

  

  Constant 
  of 
  Equation 
  

  

  dependent 
  on 
  

  

  property. 
  

  

  Oxygen. 
  

  

  Carb 
  on 
  

   monoxide. 
  

  

  Ammonia. 
  

  

  Density 
  

  

  

  32 
  

  

  10-6 
  S 
  

   11-0 
  S 
  

   75-6 
  cm. 
  

   16°-3 
  C, 
  

   1-58 
  L 
  

  

  ■722 
  L 
  

  

  3-36 
  X 
  10 
  "8 
  cm. 
  

   4'61 
  X 
  10* 
  cm./sec. 
  

   9-95 
  

  

  28 
  

   98 
  S 
  

  

  17 
  

   on 
  s 
  

  

  8topr>me-powcr 
  

  

  j 
  N, 
  the 
  number 
  of 
  pairs 
  

   1 
  of 
  ions 
  made 
  in 
  the 
  

   chamber 
  by 
  one 
  a. 
  

   J 
  particle. 
  

   k 
  

  

  lotal 
  ionization 
  

  

  101-5 
  S 
  90 
  S 
  

   73*3 
  cm. 
  76 
  cm. 
  

  

  17° 
  C. 
  16°-8 
  C. 
  

  

  1-12 
  L 
  -78 
  L 
  

  

  •642 
  L 
  

  

  Pressure 
  

  

  Temperature 
  

  

  Mean 
  mobility 
  

  

  Coeff. 
  of 
  diffusion 
  with 
  

   respect 
  to 
  H 
  2 
  

  

  Molecular 
  diameter 
  

   deduced 
  from 
  viscosity. 
  

  

  Molecular 
  velocity 
  

  

  Mean 
  Free 
  Path 
  

  

  1 
  Diameter 
  of 
  a 
  ray 
  

   track. 
  

  

  3-5X10- 
  8 
  

   4-93 
  

   9-27 
  

  

  6-28 
  L 
  

   6-95 
  J 
  

  

  

  S 
  = 
  ' 
  Studies 
  in 
  Eadioactivity.' 
  L 
  = 
  Laby 
  & 
  Kaye's 
  Tables. 
  

  

  