China National Standards
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China GB Standards List

 NY/T 4353-2023  
Determination of methylselenocysteine, selenomethionine and selenocysteine in vegetables by liquid chromatography-tandem mass spectrometry

蔬菜中甲基硒代半胱氨酸、硒代蛋氨酸和硒代半胱氨酸的测定 液相色谱-串联质谱法
 GH/T 1395-2022  
Determination of matrine and oxymatrine in honey by liquid chromatography-tandem mass spectrometry

蜂蜜中苦参碱和氧化苦参碱含量的测定 液相色谱-串联质谱法
 HJ 1289-2023  
Soil and Sediment Determination of 15 Ketones and 6 Ethers Headspace/Gas chromatography-Mass Spectrometry

土壤和沉积物 15种酮类和6种醚类化合物的测定 顶空/气相色谱-质谱法

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