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

Carbon Steels

Code Cu   Mass fraction (10 -2 ) As   Mass fraction (10 -2 ) Si   Mass fraction (10 -2 )
Value Standard Diviation(S) Value Certified Uncertainty Value Standard Diviation(S)
GBW01206 0.24 0.01
GBW01207 0.18 0.01
GBW01208 0.25 0.01
GBW01217 0.071 0.003 0.040 0.002 0.053 0.003
GBW01218 0.071 0.003 0.076 0.002 0.293 0.005
GBW01219 0.104 0.003 0.016 0.001 0.469 0.004
GBW01220 0.154 0.002 0.017 0.002 0.272 0.004
GBW01221 0.204 0.003 0.010 0.001 0.573 0.005
GBW01222 0.069 0.002 0.086 0.003 0.098 0.006
GBW(E)010009 0.138 0.002 0.28 0.01
GBW(E)010161 0.188 0.005
GBW(E)010162 0.341 0.007
GBW(E)010163 0.236 0.004 0.243 0.003
GBW(E)010164 0.341 0.005
GBW(E)010165 0.44 0.006
GBW(E)010166 0.312 0.006 0.239 0.003
GBW(E)010167 0.115 0.004 0.567 0.006
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