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

Nickel Silver(for use with optical emission spectroscopic methods)

Code Mn   Mass fraction (10 -2 ) Mg   Mass fraction (10 -2 ) Pb   Mass fraction (10 -2 )
Value Certified Uncertainty Value Certified Uncertainty Value Certified Uncertainty
GBW02105 0.068 0.002 0.0071 0.0006 0.0072 0.0004
GBW02106 0.15 0.01 0.018 0.001 0.0098 0.0009
GBW02107 0.205 0.005 0.029 0.001 0.020 0.001
GBW02108 0.505 0.007 0.058 0.002 0.030 0.001
GBW02109 0.82 0.01 0.101 0.003 0.049 0.002
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