indian jewelry wholesale buffalo ny I recently bought a gold bracelet, it feels like it is not like a thousand -footed gold.
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wholesale craft and jewelry making supplies Thousands of gold -the content is 99.9%, commonly known as three 9.
The gold -content is 99.0%, above, commonly known as two 9.
18K -The content is 75.0%, and there are many colors of K gold, usually with yellow, red, and white. Among them, white K gold is actually alloy of gold, nickel, zinc, copper and other elements. It is not usually called platinum jewelry. Platinum refers to the expensive metal platinum (PT)
Maipan how to distinguish between true and false and quality when buying jewelry?
. View mark
National standards stipulate that precious metal jewelry should be produced, manufacturers, materials and content marks, and unsproting products are unqualified products. If a quality problem, quality inspection agencies may be given inspection and judgment according to the mark. Consumers should purchase the brand they need and the gold jewelry of different gold content according to the mark.
. Sensory inspection method:
1. Seeing color: Foot gold is dark yellow, K gold has yellow, red, white and other colors, and the imitation gold products are mostly copper alloy with lighter color.
2, 量 weight: The proportion of gold is 19.3g/cm3, which is much higher than the proportion of imitation gold products. For example, a foot gold ring is about 5 grams, and the same size imitation gold products are generally less than 3 grams.
3, test hardness: pure gold is softer, scratches with large head needles, bite tooth marks with teeth.
. If you need to accurately know the content of precious metal jewelry or quality disputes, you should go to the jewelry quality inspection institution and use a physical or chemical analysis method for identification. When buying jewelry, you also need to carefully check whether the stones are inlaid, whether the welding is firm or broken, burrs, trachoma, etc.
The above methods should be able to help you
natural stone jewelry wholesale canada How to distinguish the authenticity and color of gold jewelry? The old golden craftsman taught me a trick, and learned not to be afraid of buying fake goods. It is difficult to distinguish the authenticity of gold jewelry? Teach you a small way, learn to easily identify at home
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