prov:value
| - For the electro-polishing, an electrolytic solution is prepared by blending perchloric acid, sulfuric acid, hydrochloric acid, nitric acid, acetic acid, phosphoric acid, tartaric acid, citric acid, sodium hydroxide, sodium acetate, soda rhodanide, urea, cobalt nitrate or ferric nitrate with alcohols such as ethanol and propanol, butyl cellosolve, glycerin and pure water. [0029] Since the VCM magne
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