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ISO 3624:1994

M00000906

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ISO 3624:1994 Photography -- Processing chemicals -- Specifications for potassium ferricyanide

standard by International Organization for Standardization, 11/01/1994

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Cancels and replaces the first edition (1976). Lays down criteria for the purity of photographic-grade potassium ferricyanide and describes the tests to be used to determine the purity.