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

Aluminium Alloys

Code Zn   Mass fraction (10 -2 ) Mn   Mass fraction (10 -2 ) Ti   Mass fraction (10 -2 )
Value Certified Uncertainty Value Certified Uncertainty Value Certified Uncertainty
GBW02201 0.20 0.01 0.60 0.01 0.076 0.002
GBW02202 0.10 0.01 1.38 0.02 0.036 0.002
GBW02203 0.11 0.01 0.25 0.01 0.033 0.002
GBW02220 0.30 0.02 0.14 0.01 0.041 0.002
GBW02221 0.28 0.02 0.36 0.01 0.055 0.003
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