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| International Standard Category: Chemical reagents |
GB 1261-1977 Basic chemical reagents(volumetry);Anhydrous para-amino-phenyl-sulfonic acid
基准化学试剂(容量) 无水对氨基苯磺酸 ;
| Category No.: | 71.040.30 | Valid Status: | abolished |
| Issued Organization: | CPCIA | Issued Date: | 1977-02-04 |
| Implemented Date: | 1977-10-1 | Abolished Date: | 2005-10-14 |
| Superseded Standard.: | Superseded Date: |
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