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Dross generation in hot dip galvanizing of sheet steel

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I am suppose to appear for an interview to acquire a licence to work as Professional Engineer in Ontario. Ineed the chemical formula for Hot dip Galvanizing process. I have worked in Africa for 10 years and in Canada since last 3 years.

I need the formula for the process, using Ammonium chloride as flux, Hyd chloric acid as pickling agent, and steel sheet coated in sheet to sheet galv line.

Your earlier reply will be highly appreciated.

Thanks,

Bhatt Kamlesh H
For Examination - Markham, Ontario, Canada

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