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Improvement of 18 Carat White Gold Alloys
18 Carat White Gold Alloys
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2009/7/30
Improvement of 18 Carat White Gold Alloys.
New White Gold Alloys
White Gold Alloys Bruce MacCormack John Bowers
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2009/7/30
New White Gold Alloys.
White Gold Alloys: Colour Measurement and Grading
White Gold Alloys Colour Measurement
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2009/7/28
A numerical grading system has been established forwhite gold alloys using the ASTM Yellowness IndexD1925, an existing colour quality standard. The Index iscalculated from the CIE (International Commi...