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| 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 cosmetics—Methylene |
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