The method is proved to be accurate, reliable, convenient and quick, absolutely suitable for the assaying of trace lead in silver tin solder.
方法准确、可靠、简便、快速，完全适用于银锡焊料中微量铅的检验。
The invention relates to a copper particle reinforced type tin, silver and zinc composite solder and the preparation method.
本发明涉及一种铜颗粒增强型锡银锌复合焊料及其制备方法。
The invention relates to a silicon carbide particle reinforced type tin, silver and zinc composite solder and the preparation method.
本发明涉及一种碳化硅颗粒增强型锡银锌复合焊料及其制备方法。
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