What is a alloy composition for Purple Colour Gold ?

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What is a alloy composition for Purple Colour Gold ?

2006-08-12 23:27:54 · 2 answers · asked by Ramesh k 1 in Science & Mathematics ➔ Chemistry

2 answers

As the previous answerer indicated, "purple gold" is the intermetallic compound AuAl2, which is 21% Al and 79% Au by weight. The source below is an excellent technical article on the origin of the colors in various alloys and intermetallic compounds of gold.

2006-08-15 07:46:10 · answer #1 · answered by hfshaw 7 · 0⤊ 0⤋

Purple Gold Au 79% Aluminium Al 21%

2006-08-13 00:26:48 · answer #2 · answered by Eric C 4 · 0⤊ 0⤋