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。
Take the powder of tin, silver and copper solder as the basis to make solder paste and simulate soldering.
以自制的锡银铜系焊粉为基础制备焊膏并做焊接模拟。
Take the powder of tin, silver and copper solder as the basis to make solder paste and simulate soldering.
以自制的锡银铜系焊粉为基础制备焊膏并做焊接模拟。
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