标准号:IS 406-1964
发布日期:1965/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard prescribes methods for the determination of lead, cad-mium, tin, arsenic, antimony and iron within the chemical composition ranges as specified in IS : 209-1956〓.Note — The method for determination of zinc has not been included as it shall be computed by difference after all the impurities have been determined.