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download between 0-24 hoursReleased: 1994
ISO 420:1994-Photography-Processing chemicals

ISO 420:1994

ISO 420:1994-Photography-Processing chemicals

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Standard´s number:ISO 420:1994
Pages:4
Edition:2
Released:1994
Language:English
DESCRIPTION

ISO 420:1994


Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade potassium bromide and specifies the test methods to be used to determine the purity.