﻿J. 
  Stansfield 
  — 
  Retarded 
  Diffusion 
  and 
  

  

  AgNO, 
  

  

  8N 
  

  

  6N 
  

  

  4N 
  

  

  2N 
  

  

  N 
  

  

  N/3 
  

  

  N/4 
  

  

  N/6 
  

  

  N/10 
  1 
  

  

  

  K 
  2 
  Cr0 
  4 
  

  

  •235 
  

  

  145 
  

  

  i 
  

   •09 
  

  

  •08 
  

  

  — 
  

  

  

  

  

  

  N/2 
  

  

  •45 
  

  

  •3 
  ' 
  

  

  •25 
  

  

  •14 
  

  

  — 
  

  

  

  

  

  

  N/4 
  

  

  •m 
  

  

  •59 
  

  

  •425 
  

  

  •28 
  

  

  •2 
  

  

  

  

  

  

  N/6 
  

  

  •775 
  

  

  •705 
  

  

  •65 
  

  

  •435 
  

  

  •255 
  

  

  

  

  

  N/10 
  

  

  1-11 
  

  

  •865 
  

  

  C875) 
  

  

  •725 
  

  

  •55 
  

  

  •2 
  

  

  •i 
  

  

  — 
  

  

  — 
  

  

  N/20 
  

  

  1-275 
  

  

  1-12 
  

  

  103 
  

  

  •85 
  

  

  •77 
  

  

  •365 
  

  

  •16 
  

  

  •1 
  

  

  1 
  

  

  N/40 
  

  

  1-4 
  o 
  

  

  1-28 
  o 
  

  

  1-2 
  o 
  

  

  l'l 
  

  

  •775 
  o 
  

  

  •5 
  

  

  •18 
  

  

  •11 
  

  

  — 
  

  

  N/60 
  

  

  1'46 
  o 
  

  

  1-31 
  o 
  

  

  1-26 
  o 
  

  

  1-11 
  c 
  

  

  Mo 
  

  

  •62 
  

  

  •375 
  

  

  •26 
  

  

  •24 
  

  

  N/80 
  

  

  (l'35)o 
  

  

  1-32 
  o 
  

  

  (l'21)o 
  

  

  1-21 
  o 
  

  

  

  •65 
  o 
  

  

  •54 
  

  

  •31 
  

  

  •25 
  

  

  N/100 
  

  

  1-54 
  L 
  

  

  1-47 
  o 
  

  

  1-4 
  o 
  

  

  1-28 
  o 
  

  

  l-27 
  

  

  •84 
  o 
  

  

  •6o 
  

  

  •535 
  

  

  •41 
  

  

  N/200 
  

  

  

  

  

  

  

  

  

  

  

  

  

  •115 
  

  

  •1 
  

  

  •085 
  

  

  •075 
  

  

  — 
  

  

  

  

  

  

  N/2 
  

  

  

  •285 
  

  

  •25 
  

  

  •24 
  

  

  •115 
  

  

  — 
  

  

  

  

  

  N/4 
  

  

  K 
  2 
  CrO.4 
  

  

  •375 
  

  

  •365 
  

  

  •325 
  

  

  •21 
  

  

  •1 
  

  

  

  

  

  

  N/6 
  

  

  •47 
  

  

  •425 
  

  

  •4 
  

  

  •3 
  

  

  •19 
  

  

  

  

  

  

  N/10 
  

  

  •625 
  

  

  •5 
  

  

  (•525) 
  

  

  •45 
  

  

  •335 
  

  

  1 
  

   •18 
  

  

  •1 
  — 
  

  

  — 
  

  

  N/20 
  

  

  •725 
  

  

  •625 
  

  

  •6 
  

  

  •5 
  

  

  •425 
  

  

  •295 
  

  

  •16 
  

  

  •1 
  

  

  — 
  

  

  N/40 
  

  

  •79 
  o 
  

  

  •71 
  o 
  

  

  •71 
  o 
  

  

  •635 
  o 
  

  

  •51 
  o 
  

  

  •345 
  

  

  •175 
  

  

  •11 
  

  

  

  N/60 
  

  

  •83 
  o 
  

  

  •75 
  o 
  

  

  •73 
  o 
  

  

  •675 
  o 
  

  

  C76). 
  

  

  (•445) 
  

  

  •305 
  

  

  •225 
  

  

  •21 
  

  

  N/80 
  

  

  (•79). 
  

  

  •76 
  o 
  

  

  (•71). 
  

  

  •715 
  o 
  

  

  

  •435 
  o 
  

  

  •385 
  

  

  •225 
  

  

  •19 
  I 
  

  

  N/100 
  

  

  •85 
  o 
  

  

  •84 
  o 
  

  

  ■8. 
  

  

  1 
  

  

  tO 
  o 
  

  

  1 
  

  

  •74. 
  

  

  1 
  

  

  •54 
  o 
  

  

  •425 
  o 
  

  

  •35 
  

  

  •28 
  

  

  1 
  

  

  N/200 
  

  

  

  

  

  

  

  

  

  

  

  

  I 
  

  

  