How to identify a sample of gold
Now , quite often , in a jewelry store or market you can buy ordinary gold jewelry is not as specified in the stigma sample. If you know how to identify a sample of gold , you can check the quality of the product yourself at home. To do this , of course, you will need gold chloride solution .
1. Take the gold product, gently apply a small amount of a solution of gold chloride . In case within the first few seconds after the application surface of the product does not completely changed , it means that the gold is 585 or higher bole sample.
2 . If the surface of the product was black , it says that it is not gold and silver alloy with copper extremely low sample or a plain brass.
3 . Staining test surface decoration in brown color indicates that the product in front of you , made of gold very low sample (below 583 samples) . A similar conclusion can be drawn with the appearance of spots on the product red.
The described method of testing a sample of gold is not the only one , there are others. Other methods of determining the sample of the precious metal can not be used at home because of their prohibitive cost .
