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26

Nov

is there a formula to measure gold purity standard ? how do you know that a gold bar is pure gold?

Posted by admin as Gold Bar

pure gold bar standard quality, gold bar international quality measurement formula, how do we know whether the gold bar is really 100 percent gold.

The most accurate tests involve melting a sample.

Simple tests involve measuring the weight and volume of the bar and calculating the density. Gold has a very well defined density (19.32g/mL) if the density of the bar is different, then it’s not pure gold.

Another method involves weighing the bar in air and again under water. It’s based on water displacement and again gives you a density.

If the density is not right, you can make some guesses about how much gold is in the bar, but you are better off sticking with 24K if you can get it.

Grandpa

Computer Guy says November 26th, 2009 at 6:31 am

The most accurate tests involve melting a sample.

Simple tests involve measuring the weight and volume of the bar and calculating the density. Gold has a very well defined density (19.32g/mL) if the density of the bar is different, then it’s not pure gold.

Another method involves weighing the bar in air and again under water. It’s based on water displacement and again gives you a density.

If the density is not right, you can make some guesses about how much gold is in the bar, but you are better off sticking with 24K if you can get it.

Grandpa
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