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National Sharing Platform for Reference Materials
Sponsor：National Institute of Metrology, China
GBW07823 Certified Reference Materials for the Chemical Composition of Iron Ore
50g

$0.00

Status Offshelf
Delivery Normal
Expire Date 2020-03-31
Quantity:
- +

CodeGBW07823
DescriptionCertified Reference Materials for the Chemical Composition of Iron Ore
Certificate
NMI Service Identifier
Measurement Service Sub-Category
Certified Value Certified Uncertainty Unit Memo
TFe 30.34 0.09 Mass fraction (10 -2 )
FeO 5.8 0.2 Mass fraction (10 -2 )
SiO2 43.68 0.18 Mass fraction (10 -2 )
Al2O3 3.43 0.13 Mass fraction (10 -2 )
CaO 2.17 0.06 Mass fraction (10 -2 )
MgO 1.41 0.05 Mass fraction (10 -2 )
P 0.094 0.006 Mass fraction (10 -2 )
S 0.066 0.005 Mass fraction (10 -2 )
H2O+ （1.2） Mass fraction (10 -2 )
Na2O 0.18 0.02 Mass fraction (10 -2 )
K2O 0.85 0.05 Mass fraction (10 -2 )
Ti 0.091 0.004 Mass fraction (10 -2 )
Mn 0.200 0.014 Mass fraction (10 -2 )
Cu 0.0023 0.0005 Mass fraction (10 -2 )
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