Certificate of AnalysisFirst Issued : September 2004 Version: January 2009Table 1 - Certified ValuesElement UnitMeanWithin-lab Standard DeviationBetween-labs Standard Deviation95% Confidence LimitCu% 0.0780.0020.005± 0.002Fe%10.510.230.34± 0.15Ni%0.1510.0
