GBW07142 Certified Reference Materials for the Chemical Composition of Molybdenum Ores and Molybdenum concentrate

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50g

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GBW07142

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Certified Reference Materials for the Chemical Composition of Molybdenum Ores and Molybdenum concentrate

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NMI Service Identifier

Measurement Service Sub-Category

	Certified Value	Certified Uncertainty	Unit
Mo	0.15	0.01	Mass fraction (10 ^-2)
S	0.44	0.04	Mass fraction (10 ^-2)
Mn	0.91	0.03	Mass fraction (10 ^-2)
Ag	0.10	0.02	Mass fraction (10 ^{-6 )}
As	4.8	0.6	Mass fraction (10 ^{-6 )}
Bi	7.4	0.5	Mass fraction (10 ^{-6 )}
Cd	0.52	0.05	Mass fraction (10 ^{-6 )}
Co	12.9	0.6	Mass fraction (10 ^{-6 )}
Cr	23	4	Mass fraction (10 ^{-6 )}
Cu	46	3	Mass fraction (10 ^{-6 )}
Ge	6.0	0.8	Mass fraction (10 ^{-6 )}
Ni	52	5	Mass fraction (10 ^{-6 )}
P	1231	62	Mass fraction (10 ^{-6 )}
Pb	10.5	1.2	Mass fraction (10 ^{-6 )}
Re	0.12	0.03	Mass fraction (10 ^{-6 )}
Sb	0.60	0.03	Mass fraction (10 ^{-6 )}
Sn	4.5	0.6	Mass fraction (10 ^{-6 )}
W	518	33	Mass fraction (10 ^{-6 )}
Zn	365	12	Mass fraction (10 ^{-6 )}
SiO₂	57.47	0.19	Mass fraction (10 ^-2)
Al₂O₃	5.20	0.17	Mass fraction (10 ^-2)
Fe₂O₃	9.89	0.18	Mass fraction (10 ^-2)
MgO	4.37	0.12	Mass fraction (10 ^-2)
CaO	18.13	0.33	Mass fraction (10 ^-2)
Na₂O	0.91	0.03	Mass fraction (10 ^-2)
K₂O	0.66	0.02	Mass fraction (10 ^-2)