This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
ISO 7766:2003 establishes a test method for the determination of hexacyanoferrate(II) (ferrocyanide) and hexacyanoferrate(III) (ferricyanide), referred to hereafter as Fe(CN)6, in photographic processing effluents. Results are reported as hexacyanoferrate, Fe(CN)6.
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|std 1 61|
|std 2 61||Paper|
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