ISO 3628:1994
Current
The latest, up-to-date edition.
Photography — Processing chemicals — Specifications for boric acid, granular
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English, French
21-04-1994
Establishes criteria for the purity and describes the test methods for residue after ignition, heavy metals content, iron content, appearance of solution.
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