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| Chinese National Standard Category: Boiler and its auxiliary equipment |
| English Title: | Analysis of water used in boiler and cooling system-Determination for dissolved oxygen-Internal electrolysis |
| Chinese Title: | 锅炉用水和冷却水分析方法 溶解氧的测定 内电解法 |
| Standard No.: | GB/T 12157-1989 |
| Category No.: | J98 |
| Issued by: | China Oil and Chemical Industry Association |
| Issued on: | 1989-01-02 |
| Implemented on: | 1990-1-1 |
| Status: | abolished |
| Superseded by: | GB/T 12157-2007 Water for industrial circulating cooling system and boiler—Determination of dissolved oxygen |
| Superseded on: | 2008-2-1 |
| Abolished on: | 2008-02-01 |
| Superseding: | |
| Word Count: | 1500 words |
| Similar Standards: | GB/T 19839-2025 GB/T 1921-2025 GB/T 45862-2025 GB/T 45869-2025 GB/T 45542-2025 GB/T 10184-2025 GB/T 44906-2024 GB/T 44907-2024 GB/T 44684-2024 DB46/T 300-2024 GB/T 43911-2024 DB14/T 3026-2024 DL/T 2660-2023 DL/T 2656-2023 DL/T 1005-2023 GB/T 18750-2022 GB/T 16508.3-2022 GB/T 16508.8-2022 GB/T 22395-2022 GB/T 16507.5-2022 |
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