Additives, alloy electroplating, black chromate, corrosion, mechanism ofphosphorus incorporation, cooperativity
添加剂，合金电镀，黑色钝化，腐蚀，P沉积机理，协同效应。
参考来源 - Zn·2,447,543篇论文数据，部分数据来源于NoteExpress
The excess tin chloride addition produces black mercury precipitation and is about to seriously affect the determination of iron by using potassium chromate volumetric analysis method.
重铬酸钾容量法测铁中，二氯化锡超量产生黑色汞沉淀，严重影响测定。
Black conversion film with non-chromate was obtained on a cast aluminum alloy by chemical methods, and the anticorrosion properties of the film were evaluated by means of dropping test.
用无铬化学方法在铸铝合金表面制得黑色转化膜，利用点滴试验评价了膜的耐蚀性能。
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