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en.wikipedia.org/wiki/Fineness

The fineness of a precious metal object (coin, bar, jewelry, etc.) represents the weight of fine ... It is an extension of the older karat system of denoting the purity of gold by fractions of ... karat; 750—18 karat; 625—15 karat; 585—14 karat; 417 —10 karat; 376—9 karat ... Conversion between percentage of pure gold and karats:.

beststuff.info/the-differences-between-9-14-18-and-22-karat-gold

Oct 13, 2014 ... Everyone knows that 22 karat gold is more expensive than 9 karat gold. ... carats in a piece of gold indicates the percentage of pure gold in the ...

www.metalurges.com.au/gold-facts-18-carat-vs-9-carat

24ct (twenty four carat) gold is pure gold, so all 24 parts are pure gold. ... 9ct gold is 9 parts pure gold or 37.5% pure, hence the stamp 375 found ... In stark contrast , 9ct alloys are much less resistant due to their low pure gold content, and will ...

www.gold.org/jewellery/about-gold-jewellery

The process of alloying—mixing other metals with pure 24 carat gold—gives ... In France, the UK, Austria, Portugal and Ireland, 9 carat is the lowest caratage permitted to ... Fineness is another way of expressing the precious metal content of ...

www.hsamuel.co.uk/webstore/jewellery/metalGuide/carats.cdo

Shop 14 carat yellow gold jewellery; 9 carat gold: has 37.5% pure gold; it is the ... Its higher percentage of other metals, makes it stronger and more durable and ...

www.jewelrynotes.com/9-karat-vs-18-karat-gold-differences

18-karat gold is an alloy often used in jewelry, but what about 9-karat gold? How do ... Calculated as a percentage, the purity of a 9K alloy is 37.5% – this is the ...

www.ebay.co.uk/gds/9ct-18ct-GOLD-EXPLAINED-CONTENT-TABLES-/10000000001037005/g.html

contains (9/24)*31.1 = 11.66gms pure gold. Therefore (30.1 - 11.66) = 19.44 grams in every Troy Ounce is not gold. GOLD CONTENT. Gold Content by ...

www.pricescope.com/community/threads/9-carat-gold-how-good-bad-is-it.58433

Feb 24, 2007 ... 9 carat gold is 37.5% actual gold, (o 375 parts out of 1000) whereas 18 carat is 750%, so it''s purely the gold content that differs, not the ...

www.totalmateria.com/page.aspx?ID=CheckArticle&site=ktn&NM=230

At the 9 carat (37.5% gold) level, a gold-silver alloy is quite white, ductile ... But at any given karatage (gold content), the actual values vary according to the ...

owlcation.com/misc/Understanding-Gold-Purity

Mar 16, 2016 ... Outside of North America, Carat is used in the same context as Karat. ... It must have a minimum purity of 10K gold and the gold content must be at least ... 9/24. 9K. 416/417. 41.7. 10/24. 10K. 500. 50.0. 12/24. 12K. 583/585.