GBW07147 Certified Reference Materials for the Chemical Composition of Nickel-cocalt Ores and Nickel-Cocalt concentrate

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50g

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GBW07147

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

Certificate

NMI Service Identifier

Measurement Service Sub-Category

	Certified Value	Certified Uncertainty	Unit
Ni	1.02	0.04	Mass fraction (10 ^-2)
S	3.78	0.07	Mass fraction (10 ^-2)
Co	262	9	Mass fraction (10 ^{-6 )}
Ag	1.1	0.1	Mass fraction (10 ^{-6 )}
As	5.4	0.4	Mass fraction (10 ^{-6 )}
Cd	0.44	0.07	Mass fraction (10 ^{-6 )}
Cr	0.12*	0.02*	Mass fraction (10 ^{-6 )}
Cu	0.16*	0.01*	Mass fraction (10 ^{-6 )}
Mn	0.11*	0.01*	Mass fraction (10 ^{-6 )}
P	829	33	Mass fraction (10 ^{-6 )}
Pb	25	2	Mass fraction (10 ^{-6 )}
Sc	17.6	0.5	Mass fraction (10 ^{-6 )}
Ti	0.41*	0.02*	Mass fraction (10 ^{-6 )}
V	112	7	Mass fraction (10 ^{-6 )}
Zn	77	6	Mass fraction (10 ^{-6 )}
SiO₂	46.85	0.17	Mass fraction (10 ^-2)
Al₂O₃	8.65	0.15	Mass fraction (10 ^-2)
Fe₂O₃	14.69	0.12	Mass fraction (10 ^-2)
MgO	14.45	0.31	Mass fraction (10 ^-2)
CaO	4.70	0.10	Mass fraction (10 ^-2)
Na₂O	1.55	0.05	Mass fraction (10 ^-2)
K₂O	0.90	0.02	Mass fraction (10 ^-2)
H₂O⁺	3.21	0.46	Mass fraction (10 ^-2)