Heico Corporation

Harold E Ingraham

William G Robertson

Max R Brinkman

An ammonium thiosulfate product and method of making the same are provided in which the product is ammonium thiosulfate crystals with a film of water, i.e. about 80% to 90% ammonium thiosulfate with 10% to 20% water and preferably about 85% ammonium thiosulfate and 15% water at a pH of about 8 to 10, preferably about 9 and preferably produced by adding anhydrous ammonium thiosulfate to a 60% solution of ammonium thiosulfate or by vacuum separation of water from a 60% solution of ammonium thiosulfate to produce a product at about 80% to 90% ammonium thiosulfate.

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East Stroudsburg, PA, United States of America

Harold E Ingraham