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Homepage>ISO Standards>ISO 422:1994-Photography — Processing chemicals — Specifications for p-methylaminophenol sulfate
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download between 0-24 hoursReleased: 1994
ISO 422:1994-Photography — Processing chemicals — Specifications for p-methylaminophenol sulfate

ISO 422:1994

ISO 422:1994-Photography — Processing chemicals — Specifications for p-methylaminophenol sulfate

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Standard´s number:ISO 422:1994
Pages:8
Edition:2
Released:1994
Language:English
DESCRIPTION

ISO 422:1994


Cancels and replaces the first edition (1976). Lays down criteria for the purity of photographic-grade p-methylaminophenol sulfate and specifies the test methods to be used to determine the purity.