SC - A question. . .

[marilyn traber]

AlNH[sub4](SO[sub4]) or AlK9SO[sub4])[sub2]
aluminum ammonium sulphate or Aluminum potassium sulphate heated enough to
drive off the excess water monecules.
properties: colour;ess crystals, odorless, strong astringent taste, soluable
in water, glycerine, insoluable in alcohol
hazards:moderately toxic by ingestion
uses: medicine, mordant in dying, water and sewage purification, sizing
paper, retanning leather, ingredient in baking powder, food additive

anything else?
margali



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