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| Chinese National Standard Category: Hydrogeological survey |
| English Title: | Method for measuring the activity ratios of 226Ra to 228Ra in geological water samples |
| Chinese Title: | 地质水样中226Ra/228Ra的活度比值分析方法 |
| Standard No.: | GB/T 13072-1991 |
| Category No.: | D14 |
| Issued by: | CSBTS |
| Issued on: | 1991-07-15 |
| Implemented on: | 1992-6-1 |
| Status: | abolished |
| Superseded by: | GB/T 13072-2010 Geological water samples - Determination of radioactive ratio 226Ra/228Ra - Emanation - β counting techniques |
| Superseded on: | 2011-2-1 |
| Abolished on: | 2011-02-01 |
| Superseding: | |
| Word Count: | 4500 words |
| Similar Standards: | GB/T 13073-1991 DZ/T 0064.20-1993 GB/T 14157-2023 KA/T 9-2023 KA/T 6-2023 KA/T 2-2023 KA/T 7-2023 KA/T 5-2023 KA/T 10-2023 KA/T 3-2023 KA/T 8-2023 GB/T 42362-2023 GB/T 40130-2021 GB/T 12719-2021 GB/T 15218-2021 DB37/T 4336-2021 DB37/T 1921-2021 GB/T 37574-2019 DZ/T 0304-2017 DZ/T 0282-2015 |
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