693 Brass Certified Reference Material

CDA 693 High-Performance Lead-Free Brass Alloy Certified Reference Material (CRM) This CDA C693 certified reference material is a copper alloy widely used as a standard for calibrating and verifying your spectrometer (XRF, ICP-OES, Spark-OES, etc.). This material is precisely manufactured and certified to have traceable measurements and specified impurity levels, ensuring reliable results for laboratories performing calibration, quality control, and materials testing. Certified 693 Brass Chemical Composition:  Element Composition Cu 75.4% Sb 0.014% Ar 0.0010% B 0.0008% Fe 0.011% Pb 0.042% Ni 0.002% P 0.09% Si 3.09% Ag 0.0017% S 0.0016% Sn 0.006% Zn 21.3%   CDA 673 Pb-Free Brass Chemical Range:  Element Composition Cu 73-77% Pb 0.09% max Sn 0.20% max Zn Remainder Fe 0.10% max P 0.04-0.15% Ni 0.10% max Mn 0.10% max Si 2.7-3.4%