Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 3394-2023 |
Determination of trace amounts of carbon monoxide, carbon dioxide and acetylene in ethylene and propylene for industrial use - Gas chromatography {译} 工业用乙烯、丙烯中微量一氧化碳、二氧化碳和乙炔的测定 气相色谱法 |
China National Standards Determination trace amounts |
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GB/T 6324.12-2023 |
Test methods for organic chemical products Part 12: Determination of trace amounts of mercury in organic liquid chemical products Atomic fluorescence method {译} 有机化工产品试验方法 第12部分:有机液体化工产品微量汞的测定 原子荧光法 |
China National Standards Determination trace amounts |
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GB/T 28191-2011 |
Surface active agents - Detergents - Anionic active matter stable to acid hydrolysis - Determination of trace amounts 表面活性剂 洗涤剂 对酸解稳定的阴离子活性物 痕量的测定 |
China National Standards Determination trace amounts |
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GB/T 11900-1989 |
Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt 水质 痕量砷的测定 硼氢化钾-硝酸银分光光度法 |
China National Standards Determination trace amounts |
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