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| Standard Insuued on: 1986-10 |
GB 6920-1986 Water quality; Determination of pH value; Glass electrode method
水质 PH值的测定 玻璃电极法
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 1986-10-10 |
| Implemented Date: | Abolished Date: | ||
| Superseded Standard.: | HJ 1147-2020 Water quality—Determination of pH—Electrode method |
Superseded Date: | 2021-6-1 |
GB 6920-1986
SH/T 1498.4-1997
SH/T 1498.7-1997
SH/T 1498.5-1997
SH/T 1498.3-1997
SH/T 1498.2-1997
CB* 3296-1986
CB* 3250-1986
CB* 3292-1986
CB* 3306-1986
CB* 769-1986
SJ 2716-1986
SJ 2715-1986
GB 6945-1986
GB 6947-1986
GB 6951-1986
GB 6857-1986
GB 6960.8-1986
GB/T 6961-1986
GB/T 6490.3-1986
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