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 results show that silver based electric materials ought to be smelted by graphite crucible, the clay crucible is suitable for smelting silver based solder.
结果表明，银基电触头材料应选用石墨坩埚熔炼，银基钎料应选择粘土坩埚熔炼。
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。
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