Often when researching the various early photographic processes you will come across chemical names that are puzzling or lacking definition. Usually this is due to the nomenclature having changed over the years . The older the text the more likely this is to occur.
The following is a brief index with old and new names side by side.
Albumen Egg White.
Alcohol Ethyl alcohol or Ethanol.
Alum potassium or Ammonium alum
Animal glutens Gums of animal origin
Argentine wash Silver nitrate wash
Brine A concentrated solution of sodium chloride.
Bromide of potassium Potassium Bromide
Bromide of silver Silver Bromide
Canada Balsam Turpentine from Balsam fir .
Chloride of Lime A commercial bleaching solution made from Chlorine or Slaked lime.
Chloride of Sodium Sodium Chloride
Common Salt Sodium Chloride
Dextrine Soluble carbohydrate from starch
Ether Ethyl Ether.
Gum Arabic Gum from acacia arabica or acacia Vera.
Hydriodate of an Iodide , eg .Baryta Barium Iodide, potash , potassium Iodide.
Hydriodate of Potash Potassium Iodide
Hydriodic acid An Iodide Solution
Hydrobromate of Potash Potassium Bromide
Hyposulphite of soda Sodium Thiosulphate Pentahydrate. Also called hypo
Iodated silver Silver Surface of a Daguerreotype which has been Iodized.
Iodidated Solution A solution of an Iodide.
Ioduret of Silver Silver Iodide
Isinglass A high grade gelatine made from the air bladders of Fish.
Mercury Quick Silver.
Muriate of Ammonia- ammonia chloride . Baryta – Barium chloride.
Muriate wash A chloride Solution
Muriatic acid Hydrochloric acid
Nitrate of Potash – potassium nitrate , silver – silver nitrate.
Soda Sodium Carbonate
Sodium Hyposulphite Sodium Thiosulphate Pentahydrate.
Silver solution Silver Nitrate Solution
Spirit of salts Hydrochloric acid.
Spirit of wine Ethyl alcohol.
Table Salt Sodium Chloride
From A Treatise on the Art of Photography. By Robert Hunt . Edited by James Y Tong.