how to tell if there is lead in jewelry?
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Look for a pink or red color to indicate the presence of lead. If your jewelry contains lead, the testing liquid will change color. You may see a pink or red color on your jewelry. The swab tip should also change from yellow to pink or red.
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Look for jewelry made from such metals as nickel-free stainless steel, surgical-grade stainless steel, titanium, 18-karat yellow gold, or nickel-free yellow gold and sterling silver. Surgical-grade stainless steel may contain some nickel, but it's generally considered hypoallergenic for most people.
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Check if it's magnetic Take a magnet, ideally a very strong one, and hold it up to the coin or piece of jewelry in question. Silver has a very weak magnetic pull, so it shouldn't be too attracted to the magnet. If it sticks, then it's not silver.
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Look for clear detail. Inspect the back of the jewelry and look carefully at the design details. If it's sloppy or running together, it most likely is cheap, but if it's clean and it has clear detail to it, then the quality may be higher.
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Noritake China Saucer: 933 ppm lead (+/- 86 ppm), ND (non-detect) for Hg (mercury), As (arsenic0 & Cd (cadmium)! Most vintage Noritake china I have tested has been positive for high levels of lead.
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The Tooth Test: To find out if a pearl is real, lightly rub it against the front of your tooth — not against the edge, which can scratch the pearl. If natural or cultured, rather than simulated, the pearl should feel gritty.
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Platinum is a very rare and expensive metal. Therefore, all platinum jewelry will be marked to show authenticity. Look for the words “Platinum," “PLAT," or “PT” followed or preceded by the numbers “950” or “999." These numbers refer to the purity of the platinum, with “999” as the most pure.
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Investigative reporters have found that raw-materials suppliers in China sell jewelry manufacturers zinc-cadmium alloys containing up to 90% cadmium. These deadly toxic alloys wind up in the hands and mouths of our children. ... Jewelry should be safe, well made, age-appropriate, and beautiful.
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Sterling silver is 92.5% pure silver (hence "925" ) and 7.5% something else, usually copper. ... Pure silver does NOT tarnish; copper does. You may occasionally find "975" silver in Mexico - 97.5% silver; 2.5% something else.
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There is no simple way to tell if jewelry contains cadmium or not just by looking at it. Buying jewelry that is made locally or its metal content verified by the retailer can reduce the risk of cadmium exposure.
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Yeti cups and bottles contain a protective metal rim on the outside, which is likely there to protect you from coming in contact with the lead. The lead (from my knowledge) does not appear on the inside of the bottle at all and you shouldn't be consuming lead by drinking out of these bottles.
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Zinc alloy is safe to make jewelry because it is lead-free, and the lead is the toxic substance that makes most jewelry unsafe to wear. ... Manufacturers rarely use zinc in its pure form, but instead, they add 55% or more of copper to it, to make brass, a common zinc alloy used in making various pieces of jewelry.
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Where can lead be found in the environment? Lead is a naturally occurring metal found in the earth's crust. Lead can be found many places, much because of human activity through burning fossil fuels, mining, and manufacturing. Water can be contaminated with lead from mines, waste dumps, and industrial plants.
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['Initial stamps. Gold plated jewelry is often stamped with initials that reveal its metal composition. ... ', 'Magnetism. Gold is not magnetic. ... ', 'Color. If a piece of jewelry is plated with 24K gold, it will take on an intensely yellow hue. ... ', 'Acid test. ... ', 'Scratch test.']
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Gold plated jewelry is often stamped with initials that reveal its metal composition. Here are some common markings that you may find in an inconspicuous location on your jewelry. If your jewelry does not bear any of these markings, it may be solid gold, but don't jump to a quick conclusion.
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For best results, make a by adding drops of hydrogen peroxide to the baking soda, then rub gently on your jewelry. Rinse off and wipe dry. It gets rid of dirt, grime, and body oils, and leaves your gold and silver sparkling.
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What kind of metal is used in the making of Plunder jewelry? Most of our jewelry is made up of a composite metal. Our jewelry is lead-free, however we cannot claim that all of our jewelry is nickel-free. We have stainless steel and acrylic products and you can find descriptions online of those products.