In this process, the lye is used to strip the surface. Then it’s on to anodization in a solution of sodium bisulfate, with a repurposed 12 V, 2 A power supply putting a bit of current through ...
There was a leak involving sodium bisulfate and sulfuric acid. When those substances mix, a dangerous sulfide gas is produced, Keusch said. "They had a product leak out of a 100-gallon container ...
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