Influence of Different Matrix Modifiers on Determination of Pb in Powder Cosmetics
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Abstract:
The determining method of Pb in powder cosmetics by graphite furnace atomic absorption spectrometry (GFAAS) was studied. The influence of different matrix modifiers on this determination was emphasized studied. When 0.25% (NH4)H2PO4 was used as matrix modifier, the stability and sensitivity of the determination of Pb in powder cosmetics were effectively improved.
