ISO 418:1994
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Photography Processing chemicals Specifications for anhydrous sodium sulfite
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
23-09-2021
French, English
21-04-1994
Establishes criteria for the purity and describes the test methods for insoluble matter content, heavy metals content, iron content, alkalinity, reaction to ammoniacal silver nitrate, thiosulfate, appearance of solution.
DocumentType |
Standard
|
Pages |
5
|
PublisherName |
International Organization for Standardization
|
Status |
Withdrawn
|
SupersededBy | |
Supersedes |
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