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Certified Reference Materials for the Chemical Composition of Nickel-cocalt Ores and Nickel-Cocalt concentrate

Code Cr   Mass fraction (10 -6 ) Cu   Mass fraction (10 -6 ) Mn   Mass fraction (10 -6 )
Value Certified Uncertainty Value Certified Uncertainty Value Certified Uncertainty
GBW07145 790 49 330 11 960 30
GBW07146 0.13* 0.01* 681 20 0.11* 0.01*
GBW07147 0.12* 0.02* 0.16* 0.01* 0.11* 0.01*
GBW07148 (720) 1.52* 0.04* 614 24
GBW07149 (457) 2.47* 0.06* 295 23
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