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GB/T 40191-2021 English PDF (GBT40191-2021)

GB/T 40191-2021 English PDF (GBT40191-2021)

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GB/T 40191-2021: Determination of restricted preservatives in toothpaste - High performance liquid chromatography method
This Standard specifies high performance liquid chromatography (HPLC) method to determine the content of restricted preservatives - sorbic acid and benzoic acid - in toothpaste. This Standard is applicable to the determination of the content of restricted preservatives - sorbic acid and benzoic acid - in toothpaste. The method detection limit of this Standard is 0.5mg/kg.

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