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| Chinese National Standard Category: Other non-metal ore |
| English Title: | Methods for analysis of groundwater quality- Part 91: Determination of 24 volatile halogenated hydrocarbons such as dichloromethane ,vinyl chloride and 1, 1-dichloroethane- Purge and trap/gas chromatography-mass spectrometry |
| Chinese Title: | 地下水质分析方法第91部分：二氯甲烷、氯乙烯、1,1-二氯乙烷等24种挥发性卤代烃类化合物的测定 吹扫捕集/气相色谱-质谱法 |
| Standard No.: | DZ/T 0064.91-2021 |
| Category No.: | D59 |
| Issued by: | Ministry of Natural Resources |
| Issued on: | 2021-2-22 |
| Implemented on: | 2021-7-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 16000 words |
| Similar Standards: | GB/T 45611-2025 DB32/T 4613-2023 GB/T 42433-2023 GB/T 42437-2023 GB/T 42438-2023 GB/T 42645-2023 DB15/T 325-2023 DB15/T 502-2023 GB/T 41760-2022 DZ/T 0064.59-2021 DZ/T 0064.4-2021 DZ/T 0064.91-2021 DZ/T 0064.9-2021 DZ/T 0064.90-2021 DZ/T 0064.89-2021 DZ/T 0064.88-2021 DZ/T 0064.87-2021 DZ/T 0064.86-2021 DZ/T 0064.85-2021 DZ/T 0064.84-2021 |
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