With long term practice of zinc plating,we studied and obtained the good methods applied to the process maintenance for trivalent chromium passivation,and the methods for troubleshooting.

• 简述了三价铬钝化工艺条件及分析方法,并通过长期的生产实践,摸索出三价铬钝化中切实可行的工艺、维护管理方法及出现的钝化膜发雾、发黄、发花、不连续等故障产生的原因及排除措施。