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| Chinese National Standard Category: Basic standards and general methods on chemical fertilizers |
| English Title: | Qualitative screening of multi plant growth regulators in fertilizers—Liquid chromatography-tandem mass spectrometry method |
| Chinese Title: | 肥料中多种植物生长调节剂的定性筛选 液相色谱-质谱联用法 |
| Standard No.: | GB/T 40459-2021 |
| Category No.: | G20 |
| Issued by: | SAMR; SAC |
| Issued on: | 2021-08-20 |
| Implemented on: | 2022-3-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 7500 words |
| Similar Standards: | T/CPFIA 0015-2025 GB/T 32741-2025 GB/T 6274-2025 DB32/T 5146-2025 GB/T 34765-2024 GB/T 22924-2024 GB/T 8574-2024 GB/T 44341-2024 GB 3598-1983 GB 6690-1986 GB 8575-1988 GB 8573-1988 GB 6274-1986 GB/T 43349-2023 GB/T 43274-2023 GB/T 42955-2023 GB/T 42954-2023 GB/T 42958-2023 GB/T 42307-2023 DB37/T 4110-2020 |
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