Stainless Mixed Acid Pickling (Nitric/HF) 2

[ChemBros]

I want to model or at least closely approximate the dominant reactions envolved in the mixed acid pickig process (Nitric/HF). In the litreature I found a list of about 25 reactions including al the flouride/metal complexing reactions. Where do I get all the rate constants or how can I approximate them? What is the reaction mchanism of a mixed acid pickling solution?

 

[EdStainless]

The best why to clean this in in a series of tanks. The wire runs under sinker bars in the tank and then up and over guide rollers between them. You use hot alkaline and electrical potential both. In one tank the wire is + and in the other - to the tanks. And you finish with a couple of good hot water rinse tanks. The final one should have purity controls.

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