ISO 4751:1984 PDF

The method is applicable to the determination of tin contents between 0.005 and 0.5 % (m/m) in all types of copper and copper alloys listed in International Standards. A method applicable to the determination of tin contents below 0.005 % (m/m) is in preparation. ISO 4751 specifies principle, reagents, apparatus, procedure, preparation of calibration graph, expression of results and test report.