2 Under which category can the solution be classified? Under which industry can the solution be classified? Category? Industry?
3 What group is it and where are you going to use it? Where are you going to use it and what group is it? Group and application? Application and group?
Chemical group Application
Application Chemical group
Solution
4Solution
Inorganic chemicals > for the photographic & film industries
Products
Properties & applications
Ammonium Carbonate ((NH4)2CO3)
Used in the formulation of photographic emulsions
Potasium Sulfite solution 45% (K2SO3)
Used as reducing agent
Sodium Bisulfite solution 38-40% (NaHSO3)
Used for developer solutions and for acidifying fixing baths
Sodium Sulfite (Na2SO3)
Photo grade only: to protect developer solutions from oxidation
Sodium Metabisulfite (Na2S2O5)
Photo grade only: for preparing developer solutions and for acidifying fixing baths
Potassium Metabisulfite (K2S2O5)
Reducing component in formulations for acidity fixation baths
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