METHOD AND COMPOSITION FOR DISSMUTING THE SURFACE OF ALUMINUM AND ALUMINUM ALLOYS (PROCESS AND COMPOSITION FOR DESMUTTING SURFACES OF ALUMINUM AND ITS ALLOYS)

摘要

The present invention relates to an oxygen removal / dismuting aqueous solution composition which is highly effective on the surface of aluminum surfaces, in particular silicon aluminum alloys, which comprises inorganic acid, phosphoric acid and sulfuric acid, simple and complex fluoride ions, 1 to 10 organic carboxylic acids , And +4 manganese in the RTI ID = 0.0