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| Chinese National Standard Category: Environmental sanitation |
| English Title: | standard method for examination of nitrate in air of residential areas-Reduction of the cadmium column-the spectrophotometry of N-(1-naphthyl)ethylenediaminl hydrochloride |
| Chinese Title: | 居住区大气中硝酸盐检验标准方法 镉柱还原-盐酸萘乙二胺分光光度法 |
| Standard No.: | GB 12374-1990 |
| Category No.: | C51 |
| Issued by: | AQSIQ |
| Issued on: | 1990-3-22 |
| Implemented on: | 1991-3-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 2500 words |
| Similar Standards: | T/SHWSHQ 04-2019 GB/T 18204.30-2000 T/YNIA 001-2021 GB 11742-1989 T/STACAES 036-2023 CJ/T 3020-1993 T/CAEPI 36.2-2021 GB 11728-1989 T/SHWSHQ 03-2019 T/CAEPI 36.1-2021 T/CAEPI 30-2021 Q/XYJQJ 01-2020 T/GIEHA 012-2019 WS 10013-2023 DB31/T 359-2023 T/STACAES 030-2024 GB/T 5750.6-2023 GB/T 5750.12-2023 GB/T 5750.2-2023 GB/T 5750.8-2023 |
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