GBW07148 Certified Reference Materials for the Chemical Composition of Nickel-cocalt Ores and Nickel-Cocalt concentrate

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50g

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GBW07148

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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	5.93	0.10	Mass fraction (10 ^-2)
S	18.14	0.41	Mass fraction (10 ^-2)
Co	0.13*	0.01*	Mass fraction (10 ^{-6 )}
Ag	9.3	0.4	Mass fraction (10 ^{-6 )}
As	25	3	Mass fraction (10 ^{-6 )}
Cd	2.5	0.2	Mass fraction (10 ^{-6 )}
Cr	(720)		Mass fraction (10 ^{-6 )}
Cu	1.52*	0.04*	Mass fraction (10 ^{-6 )}
Mn	614	24	Mass fraction (10 ^{-6 )}
P	266	36	Mass fraction (10 ^{-6 )}
Pb	77	4	Mass fraction (10 ^{-6 )}
Sc	9.1	0.5	Mass fraction (10 ^{-6 )}
Ti	0.14*	0.01*	Mass fraction (10 ^{-6 )}
V	61	6	Mass fraction (10 ^{-6 )}
Zn	102	10	Mass fraction (10 ^{-6 )}
SiO₂	27.40	0.12	Mass fraction (10 ^-2)
Al₂O₃	4.06	0.10	Mass fraction (10 ^-2)
Fe₂O₃	34.71	0.32	Mass fraction (10 ^-2)
MgO	9.88	0.22	Mass fraction (10 ^-2)
CaO	2.55	0.04	Mass fraction (10 ^-2)
Na₂O	0.69	0.03	Mass fraction (10 ^-2)
K₂O	0.34	0.02	Mass fraction (10 ^-2)
H₂O⁺	2.40	0.23	Mass fraction (10 ^-2)