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| International Standard Category: Chemical reagents |
GB/T 604-1988 Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators
化学试剂 酸碱指示剂pH变色域测定通用方法 ;
| Category No.: | 71.040.30 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1988-09-05 | |
| Implemented Date: | 2003-4-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 604-2002 Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators |
Superseded Date: | 2003-4-1 |
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