GBW07141 Certified Reference Materials for the Chemical Composition of Molybdenum Ores and Molybdenum concentrate

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50g

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GBW07141

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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	0.066	0.003	Mass fraction (10 ^-2)
S	0.38	0.05	Mass fraction (10 ^-2)
Mn	0.92	0.04	Mass fraction (10 ^-2)
Ag	(0.11)		Mass fraction (10 ^{-6 )}
As	5.2	0.5	Mass fraction (10 ^{-6 )}
Bi	6.9	0.5	Mass fraction (10 ^{-6 )}
Cd	0.50	0.05	Mass fraction (10 ^{-6 )}
Co	13.3	0.6	Mass fraction (10 ^{-6 )}
Cr	23	3	Mass fraction (10 ^{-6 )}
Cu	46	4	Mass fraction (10 ^{-6 )}
Ge	6.2	0.8	Mass fraction (10 ^{-6 )}
Ni	54	4	Mass fraction (10 ^{-6 )}
P	1160	59	Mass fraction (10 ^{-6 )}
Pb	9.1	1.5	Mass fraction (10 ^{-6 )}
Re	(0.07)		Mass fraction (10 ^{-6 )}
Sb	0.58	0.05	Mass fraction (10 ^{-6 )}
Sn	4.7	0.7	Mass fraction (10 ^{-6 )}
W	489	25	Mass fraction (10 ^{-6 )}
Zn	357	14	Mass fraction (10 ^{-6 )}
SiO₂	57.23	0.34	Mass fraction (10 ^-2)
Al₂O₃	5.20	0.15	Mass fraction (10 ^-2)
Fe₂O₃	10.05	0.20	Mass fraction (10 ^-2)
MgO	4.29	0.12	Mass fraction (10 ^-2)
CaO	18.37	0.44	Mass fraction (10 ^-2)
Na₂O	0.90	0.02	Mass fraction (10 ^-2)
K₂O	0.66	0.02	Mass fraction (10 ^-2)