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

Corn flour

Code Al   Mass fraction (10 -2 ) As   Mass fraction (10 -6 ) B   Mass fraction (10 -6 )
Value Certified Uncertainty Value Certified Uncertainty Value Certified Uncertainty
GBW10012 0.032 0.003 0.028 0.006 0.86 0.11
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