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METAL PREPARATION FOR CHEMICAL CHANGE MANAGEMENT AND METAL PREPARATION
METAL PREPARATION FOR CHEMICAL CHANGE MANAGEMENT AND METAL PREPARATION
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机译:化学变革管理和金属制剂的金属制剂
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摘要
A metal colouring solution for chemical transformation and a method for colouring a metal that can paint a metal surface with good treatment efficiency in a yellow to brown tone are provided. The metal colouring solution for chemical transformation contains: permanganic acid or a salt thereof; an inorganic acid and/or salt thereof; and a condensed phosphate.
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