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12-05-2002, 07:51 PM
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% Sulfuric in Battery Acid?
I bought battery acid at an auto parts store to anodise with and the salesman said is was 100% sulfuric acid. It worked well at 50%. I bought some more later that was MUCH cheaper for a larger quantity at another store that didn't work so hot at 50%. Is it possible that it was diluted? Does anyone know what the dilution rate is for battery acid? Is there a better source for sulfuric?
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12-05-2002, 09:44 PM
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You can test the specific gravity of the solution with a Hydrometer.
http://www.freasglass.com/battery.htm
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-- Mike Caswell Caswell Inc http://www.caswellplating.com Need Support? Visit our online support section at http://support.caswellplating.com Have A Web Site? Why not join our affiliate program and earn 15% of all sales. Join at http://www.caswellplating.com/affiliate.htm
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01-26-2003, 07:35 AM
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Buy Battery Acid from NAPA Auto Stores, product # 9002. It is a consistantly high quality product.
Specific gravity = 1.26 Pure sulfuric acid (reagent grade) is 98% Battery acid is 1 part reagent grade to 2 parts distilled water. Our instructions call for BATTERY ACID, which then has to be diluted. The reason for this is that reagent grade is very difficult for the amateur plater to find, whereas battery acid is easy.
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-- Mike Caswell Caswell Inc http://www.caswellplating.com Need Support? Visit our online support section at http://support.caswellplating.com Have A Web Site? Why not join our affiliate program and earn 15% of all sales. Join at http://www.caswellplating.com/affiliate.htm
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