New Chromium-Free Passivation Agent for Multicolor Zinc Coating on Carbon Steel

Lei Shi,Qiaoling Hu,Jiazheng Shi,Xue Qiao,Xiangcheng Shen,Yuxin Shang,Jianpeng Wang,Ming Ji,Xigui Sun

New Chromium-Free Passivation Agent for Multicolor Zinc Coating on Carbon Steel

2020

Lei Shi
Qiaoling Hu
Jiazheng Shi
Xue Qiao
Xiangcheng Shen
Yuxin Shang
Jianpeng Wang
Ming Ji
Xigui Sun

In this article, a novel chromium-free passivation agent contained sodium molybdate, sodium citrate, sodium phosphate, tannin, 1-hydroxyethylidene-1, 1-diphosphonic acid (HEDP) and cobalt nitrate w...

Keywords:

Zinc
Corrosion
Sodium molybdate
Cobalt
Sodium
Passivation
Materials science
Sodium citrate
Nuclear chemistry
Carbon steel

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