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| Standard Insuued on: 1991-07 |
GB/T 13072-1991 Method for measuring the activity ratios of 226Ra to 228Ra in geological water samples
地质水样中226Ra/228Ra的活度比值分析方法
| Category No.: | GB | Valid Status: | abolished |
| Issued Organization: | CSBTS | Issued Date: | 1991-07-15 |
| Implemented Date: | 1992-6-1 | Abolished Date: | 2011-02-01 |
| Superseded Standard.: | GB/T 13072-2010 Geological water samples - Determination of radioactive ratio 226Ra/228Ra - Emanation - β counting techniques |
Superseded Date: | 2011-2-1 |
GB/T 13073-1991
JB/T 5229-1991
GB/T 13059~13060-1991
GB/T 13067-1991
JB/T 2627-1991
JB/T 5567-1991
HG/T 2055.1-1991
GB/T 7262.3-2001
GB/T 7262.2-2001
GA 11-1991
JB/T 5255-1991
JB/T 5325-1991
GA 12-1991
JB/T 5112-1991
GB/T 13096.1-1991
JB/T 5502-1991
JB/T 5612-1991
JB/T 5527-1991
JB/T 5250-1991
GB/T 13096.3-1991
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