ISO 420:1994-Photography — Processing chemicals — Specifications for potassium bromide —
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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.
