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GB/T 7917.4-1987 English PDF (GBT7917.4-1987)

GB/T 7917.4-1987 English PDF (GBT7917.4-1987)

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GB/T 7917.4-1987: Standard methods of Hygienic test for cosmetics. Methanol
This Standard applies to the determination of methanol content in cosmetics that contain ethanol. Use gas chromatography to test and quantify the samples directly or after distillation.

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