Doesn't need to be certified. It was the only one I found that had it to quote so far. That was the lowest grade they had.snoman701 said:I’m not giving you a hard time, I’m just curious if you really need 2n certified or if you just need reagent zinc hydroxide. The latter can be prepared by precipitation of zinc dissolved in hcl, by sodium hydroxide.
Or if you are looking for zinc powder to precipitate Pgms or something.
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