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Sterling Silver Acid Test Color Chart
Sterling Silver Acid Test Color Chart. Use the silver acid test to see the amount of silver content in the item. If acid turns brown, silver is 80% silver.
Help support gold refining forum: You could also take a silver item and rub it against a testing stone. The silver testing solution turned blue on this counterfeit piece which consists of thin silver plating over a brass core.
Actual Color Results Will Vary Depending On Surface Conditions And Other Variables.
If the acid turns bright or dark red, it is likely that you have fine or sterling silver. If the acid burns milky white then it is on sterling, if it froths and bubbles green it is base metal or silver plate. Silver is often blended with 7.5% copper alloy.
There Seems To Be Some Confusion For Those Inexperienced With Acid Testing Silver And Other Metals.
What color is silver testing solution? The lighter the cream color is, the higher the silver content. I prefer 18k gold acid for testing silver.
During The Reaction Of Ag And Hno 3, Brown Shades Of Nitrogen Gas Can Be Observed.
If the item has a silver content between 65 and 75%, then the acid will turn a light green color. Now if when testing for silver with the 14k acid on an item and the acid rises up slightly and looks like salt or calcium scale your item is pewter. There are 20 standard acid stain colors, but any of the colors may be mixed together for customized results.
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You also need to be able to distinguish between amber and red. For best results, testing these applications is recommended. The silver test solution turned reddish on.
Sterling Silver Jewelry Is Often Plated With A Thin Coat Of.
Silver jewelry can also be plated with rhodium for a bright, shiny look or gold. You will need to closely follow the instructions that came with your acid solution. The results will be a combination of both results.
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