标准号:IS 998 Pt.2-1983
发布日期:1983/9/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard ( Part 2 ) covers methods of chemical analysis of iron, copper and arsenic in lead and tin base solders ( see IS : 193-1982〓 and IS : 1921-1975〓 ) having chemical composition within the following range:Constituent PercentIron 0· 02 MaxCopper ArsenicO·'Ol to 0·2 0·05 Max