| 摘要 |
PROBLEM TO BE SOLVED: To provide a surface treating agent for magnesium or the alloy thereof easy in treatment because of its low toxicity and dangerousness and also capable of obtaining sufficient corrosion resistance and adhesive properties of a coating film. SOLUTION: This surface treating agent for magnesium or the alloy thereof contains (a) chlorine ions and/or nitric ions, (b) manganese ions and (c) phosphoric ions.
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