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Originally Posted by awdmh
What kind of acid?
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Nitric is best, but can be difficult and/or costly to obtain. IF you have to have it shipped, there's a $25 hazmat fee on top of the shipping charges.
Otherwise, muriatic or sulphuric acids work, just not as well.
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What kind of container do you put the chromate in?
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Polypropylene or polycarbonate. I use paint mixing buckets available from local hardware stores. Pint, quart and gallon sizes are available.
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What temperature do you use for the chromate?
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80º for yellow. Most chromates specifiy a range, usually 70-90º, but it depends on the particular chromate.
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What ratio of distilled water to chromate? The container info was vague.
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Depends on the chromate, which do you have? Mine was quite clear concerning mix ratio.
Sean