1) Specific gravity judgment
Silver specific gravity of 10.5, much larger than other silver-white metal or alloy, such as the specific gravity of the lead is only 2.7.
2) sound judgment
Silver is soft, thrown down on the hard objects issued by the sound of the sound of the weak, while other metals issued by the sound of the crisp.
3) color judgment
The white color of other metals is ultimately different from the white color of silver, and the difference is especially noticeable when it is cooled by fire. Grilled with fire
After, such as real silver, silver color remains unchanged; if it is false silver, or color inferior products, after grilling will turn black. Another
method is to use nitric acid drops on the surface of silver jewelry, wipe off the nitric acid, the surface of the jewelry is still silver-white, which indicates that the amount of silver
when the high, if the silver content of low jewelry, will be gray-black.
4) bending method
with both hands bending, color high, easy to bend is not easy to break, the quality of the bending of the second feel harder, or barely folded, and some even
can not be folded with a finger, the package of silver by bending or hammering a few times will be cracked, fake can not afford to bend, easy to break.
5) Look at the stubble test
The jewelry cut in half horizontally, folded to see the color. If the mouth of the snow Ling white and sheep, color in 98% or so, if the mouth is thick and soft
, slightly reddish, color in 95% or so, bending the hand harder, if the mouth is white and gray, or slightly reddish, color in 95
% or so, hardness, if the mouth of the reddish yellow with gray, color in 80% or so, bend hard, if the mouth of the micro
Red, yellow, yellow, yellow, etc., color in 70%, color in 70%, color in the mouth. If the mouth is slightly red, slightly yellow, earthy yellow, the color is about 70%; if the mouth is red with black, yellow with black, the color is about 60%.
6) silver medicine (also known as eat silver tiger) wipe test
Silver jewelry in the test stone to grind out the silver road, with silver medicine (silver medicine is more than 95% of the color of the silver surface and mercury and
into the soft material) in the silver road coated with silver, hanging silver medicine, more, color is high, less color is low, fake does not hang the silver medicine.