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

Plastic Clay

Code L.O.I   Mass fraction (10 -2 ) Fe<sub>2</sub>O<sub>3</sub>   Mass fraction (10 -2 ) K<SUB>2</SUB>O   Mass fraction (10 -2 )
Value Certified Uncertainty Value Certified Uncertainty Value Certified Uncertainty
GBW03115 8.72 0.13 0.86 0.03 1.54 0.04
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