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一、前言随着无线电等工业生产的迅速发展,要求镀银的零件越来越多,由于镀银零件在运送、装配、库存和使用过程中,一旦与硫及其化合物接触,会使原有美观的银白色镀层变为黄色、黄褐色甚至黑褐色。不仅影响产品的外观,而且对其性能也有一定的影响。
I. INTRODUCTION With the rapid development of radio and other industrial production, more and more silver-plated parts are required. As silver-plated parts are transported, assembled, stored and used, once they are in contact with sulfur and its compounds, Beautiful silver-white coating turned yellow, brown or even dark brown. Not only affect the appearance of the product, but also have some impact on its performance.