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According to the Bureau of Guizhou Province recently released on the market sales of gold jewelry random sampling results showed: part of the business of sales of gold jewelry, some nickel release was more than 49.
24 times the national mandatory standards.Gold jewelry pass rate of only 5% "consumers to spend big price to buy gold jewelry, the most concern is the purity is required, there is no reach the nominal content.
All the time, few people spend money identification of harmful elements, and by detecting purity are."Guizhou gold jewelry and test center's person in charge Mr. Zhang told reporters, in general, of precious metal jewelry may contain lead, mercury, cadmium, hexavalent chromium, arsenic and nickel in six and other harmful elements.
According to the national mandatory standards, the contents of these elements must be less than 0.1%, the release of nickel content less than 0.5 micrograms / (cm 2 weeks? "), that is to say, either with the noble metal or its alloy made jewelry, which contains elements may be harmful to human health".
However, from the provincial Trade and Industry Bureau recently released on the market sales of gold jewelry random sampling results, our province gold jewelry quality is not optimistic, the qualified rate of only 5%, only 4 of all merchandise items are qualified, nine into above products are label unqualified.
Most people gasped is, some gold jewelry should exceed the standard of harmful elements, and exceed the standard scary: one gold zircon ring, nickel release = 24.620 micrograms / (cm 2? Weeks), is to allow the release of volume 49.
24 times; another 18K jade pendant, the volume of nickel release 1.065 micrograms / (cm 2? Weeks), is to allow the release of volume 2.13 times.It is understood, nickel is a cheap, can increase the brightness and hardness of metal jewelry raw materials, commonly used in white gold jewelry.
In view of the problems found in monitoring, the provincial Trade and Industry Bureau has asked local departments in accordance with the law on the unqualified product and related persons responsible for processing, and continue to strengthen supervision.
Radioactive elements will exceed the standard carcinogenesis is it right? Gold jewelry in the heavy metal contents exceed the standard will be exerted on the body harm?Geological survey of Guizhou province Luo Mingxue Engineer answer.
According to Luo Mingxue, engineer, lead, mercury, cadmium, chromium, arsenic and nickel are heavy metals, some gold jewelry is also contain these elements, but not so long as through food, beverage, pharmaceutical, respiratory, excess into the body, only through skin contact, will not cause harm to the human body.
Heavy metal content exceed the standard, only represent the gold jewelry of impurity composition in excess, jewelry quality problems, the higher the content of its inevitable decline in quality more.Radioactive element uranium, thorium may also exist in some gold jewelry, once these elements content exceed the standard, means that a radioactive dose to exceed the standard.
No matter how to act on the human body, will bring damage to body health!Hair loss, skin ulcers, anemia is injured body performance directly, also may produce canceration, and no matter what kind of radioactive elements and radiation dose exceed the standard, can cause serious consequences.
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