This International Standard establishes criteria for the purity of photographic-grade 4-(N-ethyl-N-2-metha
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 17531:2002 |
| Product Name | Photography - Processing chemicals - Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate |