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download between 0-24 hoursReleased: 1994
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.