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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 12157-2022 |
Determination of dissolved oxygen in water for industrial circulating cooling system and boiler 工业循环冷却水和锅炉用水中溶解氧的测定 |
China National Standards Industrial oxygen |
 English PDF |
| GB/T 3396-2022 |
Determination of trace oxygen in ethylene and propylene for industrial use - Electrochemical method {译} 工业用乙烯、丙烯中微量氧的测定 电化学法 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 12688.10-2020 |
Test method of styrene for industrial use—Part 10: Determination of oxygenates—Gas chromatography 工业用苯乙烯试验方法 第10部分:含氧化合物的测定 气相色谱法 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 15456-2019 |
Determination of the chemical oxygen demand in industrial circulating cooling water—Permanganate index method 工业循环冷却水中化学需氧量（COD）的测定 高锰酸盐指数法 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 12701-2014 |
Ethylene and propylene for industrial use—Determination of trace oxygenates—Gas chromatographic method 工业用乙烯、丙烯中微量含氧化合物的测定 气相色谱法 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 6022-2008 |
Butadiene for industrial use - Determination of oxygen in gaseous phase above liquid butadiene 工业用丁二烯液上气相中氧的测定 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 3863-2008 |
Industrial oxygen 工业氧 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 15456-2008 |
Industrial circulating cooling water - Determination of the chemical oxygen demand - Potassium permanganate method 工业循环冷却水中化学需氧量(COD)的测定 高锰酸钾法 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 12157-2007 |
Water for industrial circulating cooling system and boiler -Determination of dissolved oxygen 工业循环冷却水和锅炉用水中溶解氧的测定 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 20217-2006 |
Procedures for ensuring the cleanliness of industrial-process measurement and control equipment in oxygen service 保证氧用工业过程测量和控制装置清洁度的程序 |
China National Standards Industrial oxygen |
English PDF |
| GB/T 3396-2002 |
Ethylene and propylene for industrial use--Determination of trace oxygen--Electrochemical method 工业用乙烯、丙烯中微量氧的测定 电化学法 |
China National Standards Industrial oxygen |
English PDF |
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