Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1994-01-21
1995-05-23
Valentine, Donald R.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
2041415, 20412995, 252 793, 252101, 428687, 428938, 134 3, C25F 320, C09K 1308, C11D 754, C23G 102
Patent
active
054178193
ABSTRACT:
A method of forming a highly reflective surface on aluminum alloys, the composition comprising (a) brightening the surface of a body formed from an aluminum alloy; and (b) desmutting the freshly brightened body in a bath. The desmutting bath comprises 10-100 volume percent nitric acid; 0-60 volume percent sulfuric acid; 0-50 volume percent water; and at least 15 grams per liter of a source of bifluoride. Ammonium fluoride is the preferred source of fluoride.
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Askin Albert L.
Schultz Paul B.
Aluminum Company of America
Pearce-Smith David W.
Valentine Donald R.
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