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National Sharing Platform for Reference Materials
Sponsor：National Institute of Metrology, China

Milk Cosmetics Certified for Mercury and Arsenic

Code As   Mass fraction (10 -6 ) Hg   Mass fraction (10 -6 ) Hh   Mass fraction (10 -6 )
Value Standard Diviation(S) Value Standard Diviation(S) Value Standard Diviation(S)
GBW09303 10.2 0.2 1.33 0.06
GBW(E)090029 9.1 1.1* 1.52 0.22*
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