﻿their 
  Sodium 
  Salts 
  on 
  Lupinus 
  Alhus. 
  

  

  187 
  

  

  Table 
  of 
  Results. 
  

  

  Part.-Tox. 
  

   Part 
  -Tox. 
  Part.-Tox. 
  of 
  

  

  Substances. 
  Death- 
  of 
  of 
  un-ionized 
  

  

  limit. 
  cations. 
  anions. 
  molecules. 
  

  

  Hydrochloric 
  acid 
  _ 
  . 
  6400 
  6400 
  

  

  NaCl* 
  16 
  * 
  16 
  16 
  

  

  Hydrobromic 
  acid 
  . 
  6400 
  

  

  NaBr* 
  16 
  

  

  Hvdriodic 
  acid* 
  . 
  . 
  _ 
  6400 
  

  

  Nal* 
  24 
  

  

  Nitric 
  acid 
  6400 
  

  

  Sulphuric 
  acid 
  12800 
  12800 
  

  

  KHS0 
  4 
  6400 
  6400 
  

  

  Fatty 
  series. 
  

  

  Formic 
  acid 
  6400 
  4480 
  36 
  1884 
  

  

  Na 
  formate 
  50 
  36 
  

  

  Acetic 
  acid 
  1600 
  960 
  11 
  629 
  

  

  Na 
  acetate 
  25 
  11 
  

  

  Propionic 
  acid 
  3200 
  1088 
  36 
  2076 
  

  

  Na 
  propionate 
  50 
  36 
  

  

  Butyric 
  acid 
  3200 
  1152 
  36 
  2012 
  

  

  Na 
  butyrate 
  50 
  36 
  

  

  Aromatic 
  series. 
  

  

  Benzoic 
  acid 
  6400 
  2432 
  185 
  3783 
  

  

  Na 
  benzoate 
  200 
  185 
  

  

  Salicylic 
  acid 
  6400 
  6016 
  85 
  300 
  

  

  Na 
  salicylate 
  100 
  85 
  

  

  m. 
  oxybenzoic 
  acid 
  3200 
  2560 
  36? 
  600? 
  

  

  Na. 
  m. 
  oxybenzoate 
  50 
  36? 
  

  

  p. 
  oxybenzoic 
  acid. 
  3200 
  1600 
  36? 
  1564? 
  

  

  Nap. 
  oxybenzoate. 
  50 
  36.^ 
  

  

  b. 
  nitrobenzoic 
  acid 
  6400 
  6400 
  9-36 
  00 
  

  

  Na 
  o. 
  nitrobenzoate 
  25-50 
  9-36 
  

  

  m. 
  nitrobenzoic 
  acid 
  12800 
  6400 
  6400 
  00 
  

  

  Na 
  m. 
  nitrobenzoate 
  400 
  385 
  ? 
  

  

  p. 
  nitrobenzoic 
  acid 
  12800 
  6400 
  6400 
  00 
  

  

  Na 
  p. 
  nitrobenzoate 
  400 
  385 
  ? 
  

  

  Protocatechuicacid 
  3200 
  1792 
  35? 
  1423? 
  

  

  Na 
  protocatechuate 
  50 
  35? 
  

  

  Gallic 
  acid 
  6400 
  2240 
  85? 
  4075? 
  

  

  Nagallate 
  100 
  85? 
  

  

  Cinnamic 
  acid 
  12800 
  2880 
  785 
  9135 
  

  

  Na 
  cinnamate 
  800 
  785 
  

  

  Hippuric 
  acid 
  6400 
  1920 
  10? 
  4470? 
  

  

  Na 
  hippurate 
  25 
  10? 
  

  

  Carbolic 
  acid 
  400 
  00 
  00 
  400 
  

  

  Na 
  carbolate 
  400 
  

  

  * 
  Results 
  worked 
  out 
  by 
  Miss 
  May 
  Randall, 
  1899. 
  

  

  Ionization 
  

   at 
  Death- 
  

   limit, 
  

   per 
  cent. 
  

  

  100 
  

  

  85 
  

   100 
  

  

  100 
  

  

  100 
  

   100 
  

  

  70 
  

   90 
  

   15 
  

  

  85 
  

   17 
  

  

  88 
  

   18 
  

   87 
  

  

  38 
  

   92 
  

   94 
  

   91 
  

   40 
  

  

  25 
  

  

  100 
  

  

  85 
  

   100 
  

  

  100 
  

  

  28 
  

  

  35 
  

  

  45 
  

   96 
  

   30 
  

  

  00 
  

  

  