903 Bronze Certified Reference Material

CDA 903 Tin Bronze Certified Reference Material (CRM) This CDA C903 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 903 Bronze Chemical Composition:  Element Composition 1 Cu 86.5% Sn 8.3% Fe 0.012% Si Ni 0.41% Ag 0.0059% Co 0.0019% O 0.0013% P 0.060% Pb 0.066% Sb 0.002% As Mn Al   CDA 903 Bronze Chemical Range:  Element Composition Cu 86-89% Pb 0.30% max Sn 7.5-9.0% Zn 3-5% Fe 0.20% max P 0.05% max Ni 1.0% max Al 0.005% max S 0.05% max Si 0.005% max