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Sponsor：National Institute of Metrology, China

Soybean 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
GBW10013 (0.043) 0.035 0.012 15.8 1.5
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