GBW07145 Certified Reference Materials for the Chemical Composition of Nickel-cocalt Ores and Nickel-Cocalt concentrate

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50g

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GBW07145

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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	0.11	0.01	Mass fraction (10 ^-2)
S	0.74	0.06	Mass fraction (10 ^-2)
Co	49	2	Mass fraction (10 ^{-6 )}
Ag	0.56	0.08	Mass fraction (10 ^{-6 )}
As	5.3	0.4	Mass fraction (10 ^{-6 )}
Cd	0.28	0.04	Mass fraction (10 ^{-6 )}
Cr	790	49	Mass fraction (10 ^{-6 )}
Cu	330	11	Mass fraction (10 ^{-6 )}
Mn	960	30	Mass fraction (10 ^{-6 )}
P	728	25	Mass fraction (10 ^{-6 )}
Pb	21	1	Mass fraction (10 ^{-6 )}
Sc	15.6	0.4	Mass fraction (10 ^{-6 )}
Ti	0.42*	0.02*	Mass fraction (10 ^{-6 )}
V	102	7	Mass fraction (10 ^{-6 )}
Zn	79	3	Mass fraction (10 ^{-6 )}
SiO₂	54.89	0.29	Mass fraction (10 ^-2)
Al₂O₃	12.21	0.17	Mass fraction (10 ^-2)
Fe₂O₃	8.58	0.10	Mass fraction (10 ^-2)
MgO	9.67	0.16	Mass fraction (10 ^-2)
CaO	4.60	0.10	Mass fraction (10 ^-2)
Na₂O	2.16	0.08	Mass fraction (10 ^-2)
K₂O	1.51	0.03	Mass fraction (10 ^-2)
H₂O⁺	3.37	0.27	Mass fraction (10 ^-2)