焊锡用途很广泛,随着国民经济的发展,不仅需求量越来越大,对焊锡的质量、品种规格也提出了更高的要求。以往对焊锡只作主成分的定量、不作杂质分析。有些单位制定过企业标准,但有一定局限性,目前尚无国家标准。中国有色金属总公司要求在1987—1988两年内完成制定“焊锡化学分析方法” Solder is widely used, with the development of the national economy, not only the demand is growing, the quality of solder, the variety of specifications also put forward higher requirements. In the past, only the main component of the quantitative solder, not for impurity analysis. Some units have set corporate standards, but there are some limitations, there is no national standard. China Nonferrous Metals Corporation requires the completion of the “solder chemical analysis method” within 1987-1988