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Philip Arthur Newton
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10,181. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. May 11. Ammonium and zinc salts hydrosulphites.- Double compounds of zinc hydrosulphite and ammonium salts are produced by the action of zinc dust and an acid on an alkali bisulphite in the presence of an ammonium salt.
GB190810181D1908-05-111908-05-11Improvements in and relating to the Manufacture and Production of Hydrosulphites
ExpiredGB190810181A
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