National Sharing Platform for Reference Materials
Sponsor:National Institute of Metrology, China

Iron Ore

Code Mn   Mass fraction (10 -2 ) Mn   Mass fraction (10 -2 ) Cu   Mass fraction (10 -2 ) Cu   Mass fraction (10 -2 ) TiO<SUB>2</SUB>   Mass fraction (10 -2 ) TiO<SUB>2</SUB>   Mass fraction (10 -2 )
Value Certified Uncertainty Value Standard Diviation(S) Value Certified Uncertainty Value Standard Diviation(S) Value Certified Uncertainty Value Standard Diviation(S)
GBW07213 0.032 0.001
GBW07822 0.168 0.009 0.0028 0.0005
GBW07823 0.200 0.014 0.0023 0.0005
GBW07824 0.122 0.007 0.028 0.002
GBW07825 0.198 0.011 0.0014 0.0004
GBW07826 0.076 0.005 0.068 0.004
GBW07827 0.072 0.007 0.0028 0.0005
GBW07828 0.061 0.003 (0.0015)
GBW07829 0.072 0.003 0.0015 0.0003
GBW07830 0.071 0.003 (0.0015)
GBW(E)070082 0.208 0.009
GBW(E)070083 0.241 0.008
GBW(E)070084 0.541 0.010
GBW(E)070085 0.444 0.008
GBW(E)070086 0.388 0.009
GBW(E)070087 0.949 0.010
GBW(E)070088 0.477 0.007
GBW(E)070089 0.116 0.008
GBW(E)070090 0.313 0.007
GBW(E)070091 0.087 0.003 0.057 0.002
GBW(E)070092 0.60 0.01 0.048 0.003 0.460 0.005
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