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GB/T 37545-2019 English PDF (GBT37545-2019)

GB/T 37545-2019 English PDF (GBT37545-2019)

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GB/T 37545-2019: Determination of 38 kinds of permitted colorants in cosmetics -- High performance liquid chromatography
This Standard specifies the principle, reagents and materials, instruments and equipment, sample preparation, analysis steps, result calculation, recovery rate and precision, tolerance and other contents for the high performance liquid chromatography determination of 38 kinds of permitted colorants in cosmetics. The high performance liquid chromatography specified in this Standard applies to the quantitative determination of 38 permitted colorants (excluding lakes) in lipsticks, nail polishes, powders and other cosmetics.

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