Difference between 18ct and 9ct Gold?

Answer

The difference between 9ct and 18ct gold is in the composition. An 18ct is stamped with either 18ct or 750, which means that 75 [percent is made up of pure gold, 12.5 percent is copper and 12.5 percent is silver. Whereas 9ct is stamped either 9ct or 375 and is made up of 37.5 percent of pure gold and 62.5 percent of copper and silver.
Q&A Related to "Difference between 18ct and 9ct Gold?"
ok, so, all it means is that it is different densitys. they have to mix the gold because pure gold is very ductille and malleuble. it is very soft, the higher the number, the softer
http://answers.yahoo.com/question/index?qid=200706...
Purity - 9ct gold contains 37.5% pure gold. 24ct gold contains more than 75% gold, but is sometimes too soft to make everyday jewellery. report this answer. Updated on Friday, February
http://www.kgbanswers.co.uk/what-is-the-difference...
Both rings have a brilliant shine and a white tone. Platinum rings cost twice as much as white gold rings. Rings typically called white gold are not 100 percent white gold. They are
http://www.ehow.com/facts_5027111_difference-white...
you fail.
http://wiki.answers.com/Q/What_is_difference_betwe...
1 Additional Answer
A 18ct is stamped with either 18ct or 750, this means that 75% is made up of pure gold and 12.5% is copper and 12.5 % is silver, whereas 9ct which is stamped either 9ct or 375 is made up of 37.5% of pure gold and 62.5 % of copper and silver.
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