GBW07143 Certified Reference Materials for the Chemical Composition of Molybdenum Ores and Molybdenum concentrate

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50g

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GBW07143

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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	0.54	0.02	Mass fraction (10 ^-2)
S	0.68	0.07	Mass fraction (10 ^-2)
Mn	0.91	0.03	Mass fraction (10 ^-2)
Ag	0.13	0.03	Mass fraction (10 ^{-6 )}
As	4.7	0.5	Mass fraction (10 ^{-6 )}
Bi	8.2	0.5	Mass fraction (10 ^{-6 )}
Cd	0.52	0.05	Mass fraction (10 ^{-6 )}
Co	13.2	0.6	Mass fraction (10 ^{-6 )}
Cr	23	2	Mass fraction (10 ^{-6 )}
Cu	48	2	Mass fraction (10 ^{-6 )}
Ge	6.2	0.6	Mass fraction (10 ^{-6 )}
Ni	52	4	Mass fraction (10 ^{-6 )}
P	1210	66	Mass fraction (10 ^{-6 )}
Pb	13.7	1.7	Mass fraction (10 ^{-6 )}
Re	0.31	0.04	Mass fraction (10 ^{-6 )}
Sb	0.73	0.06	Mass fraction (10 ^{-6 )}
Sn	4.7	0.7	Mass fraction (10 ^{-6 )}
W	557	60	Mass fraction (10 ^{-6 )}
Zn	360	15	Mass fraction (10 ^{-6 )}
SiO₂	56.87	0.26	Mass fraction (10 ^-2)
Al₂O₃	5.12	0.10	Mass fraction (10 ^-2)
Fe₂O₃	9.88	0.24	Mass fraction (10 ^-2)
MgO	4.35	0.18	Mass fraction (10 ^-2)
CaO	18.09	0.29	Mass fraction (10 ^-2)
Na₂O	0.90	0.03	Mass fraction (10 ^-2)
K₂O	0.66	0.01	Mass fraction (10 ^-2)