China National Standards

China Determination alkali sulfides GB Standards List

  •  China "Determination alkali sulfides" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40897-2021 Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method
    化妆品中碱金属硫化物和碱土金属硫化物的测定 亚甲基蓝分光光度法    		 China National Standards
    Determination alkali sulfides
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