National Sharing Platform for Reference Materials
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Gypsum

Code CaO   Mass fraction (10 -2 ) CaO   质量分数(×10-2) MgO   Mass fraction (10 -2 ) MgO   质量分数(×10-2) K<SUB>2</SUB>O   Mass fraction (10 -2 ) K<SUB>2</SUB>O   质量分数(×10-2)
Value Certified Uncertainty Value Standard Diviation(S) Value Certified Uncertainty Value Standard Diviation(S) Value Certified Uncertainty Value Standard Diviation(S)
GBW03109 39.24 0.06 1.74 0.05 0.094 0.010
GBW03110 28.50 0.09 4.92 0.07 0.38 0.01
GBW03111 32.30 0.04 2.47 0.08 0.026 0.003
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