ISO 418:1994
Withdrawn
View Superseded by
Photography — Processing chemicals — Specifications for anhydrous sodium sulfite
Hardcopy , PDF
French, English
04-21-1994
11-02-2025
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.
| Committee |
ISO/TC 42
|
| DocumentType |
Standard
|
| Pages |
5
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| BS ISO 418:1994 | Identical |
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