Citric acid passivation 柠檬酸钝化
phosphorus acid passivation 磷酸钝化
chromic acid passivation bath 铬酸钝化液
Chromic acid passivation and oiling 铬酸盐钝化加涂油
acid cleaning and passivation 酸洗钝化处理
Chemistry 4 Mineral acid cleaning and passivation can be performed for iron oxide removal or passivation.
化学作用4：可进行无机酸清洁和钝化以去除或钝化氧化铁。
Phosphoric acid is a weak oxidizing acid sometimes specified in passivation procedures; however, there is no formal documentation referencing the use of phosphoric acid as a passivating acid.
磷酸是一种弱氧化酸，有时也用于特定的钝化操作中；但，没有任何正式的文件说明磷酸可作为钝化用酸。
Zinc plating chromic acid salt after the passivation, corrosion resistance can improve 6 to 8 times.
锌镀层经铬酸盐钝化之后，耐蚀性可提高6 ~ 8倍。
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