Determination of alk standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 40897-2021

Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method

Issued Date:

Implemented Date:

Issued by:

The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 40897-2021
Standard Category	China National Standards
GB Standard English Title	Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method
GB Standard Chinese Title	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
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