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Marine Sediment

Code Al<SUB>2</SUB>O<SUB>3</SUB><SUP>*</SUP>   Mass fraction (10 -6 ) As   Mass fraction (10 -6 ) B   Mass fraction (10 -6 )
Value Certified Uncertainty Value Certified Uncertainty Value Certified Uncertainty
GBW07315 11.41 0.22 7.1 0.6 125 12
GBW07316 7.7 0.3 4.6 0.5 84 11
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