Is there must be marked on whether a real platinum ring is?

I have a platinum ring ~ But there is no 18K or any or something or something! Is my ring a genuine product?

5 thoughts on “Is there must be marked on whether a real platinum ring is?”

  1. A real platinum ring must be marked on it.
    The national standards and naming standards were introduced on May 1, 2013, which were issued on May 1, 2013, and only platinum can be called platinum.
    Ip, only jewelry with platinum content of more than 850 ‰ can bring any of the following propaganda. Therefore, a simple way of identifying is to turn platinum jewelry over and see if there is a PT or platinum logo inside.
    According to the latest national regulations, the back of each platinum jewelry must be engraved with a platinum proprietary sign, and after the sign, it must indicate the thousand points of the pureness of platinum, such as PT900 or platinum 90, and the platinum content is ≥990 ≥990 Essence
    Pucting information:
    The purchase recognition method of Platinum ring:
    1, recognition of ring materials. There are two types of rings: a single material and a variety of materials. The former is made of platinum, gold or silver, and the latter is made of platinum, gold or gold, and gold. In addition, the ring is still inlaid. Different types should be recognized correctly when buying.
    2, appearance quality inspection. The rings are required to be uniform, harmonious in color, delicate density, bright and bright, shellless leather, scars or sand. When checking the appearance, you should also see if there are manufacturers codenamed and steel prints that indicate gold or silver ingredients.
    3, process quality inspection. The welding of the ring should be smooth, and the mouth must be thick; the pattern should be clear and non -stacked; the two sides should be neat, straight, no dog tooth shape, and the pattern combination should be coordinated; all components of the ring must be smooth, without burrs.
    Reference information Source: Baidu Encyclopedia — Platinum Ring

  2. According to national standards:
    The jewelry marks "AU750" and "PT950" on the precious metal jewelry are required by the state. If there is no, it is illegal and cannot be sold; You need to decide whether to print the print;
    Plip ring number: also decide whether to print the print according to the needs of the student;
    thalum of other words: according to the needs of consumption, and whether the seller has corresponding services and equipment to the equipment and equipment to have corresponding services and equipment Determine whether to print.
    The expansion information:
    1. Instrument test test
    hardness: The hardness of the platinum ring is 4--4.5 degrees, it is harder than gold, silver, scratches with small knives or glass, but it will not not be able Division density by nails: The density of the platinum ring is extremely large, and the hand is sinking. The test density of the static water mechanics should be 21.43g/cm.
    2. Cube with fire
    The melting point of the platinum ring is as high as 1773 degrees, and the platinum ring is placed on the alcohol lamp or electric furnace, and the color remains unchanged.
    3. Use acid test
    The platinum rings are stable in chemical properties, insoluble in ordinary acids, and draw the platinum ring on the test gold stone. Drop with hydrochloric acid. Powder is not placed in a hydroxide bottle, and the hydrogen peroxide is immediately produced. The platinum ring after the reaction is not damaged and can still be used.
    Reference information Source: Baidu Encyclopedia-Platinum Ring

  3. There are marks on Platinum accessories.
    The most direct way to distinguish platinum is to find platinum propaganda in jewelry-PT or platinum. According to national regulations, the back of each platinum jewelry must be engraved with the proprietary symbol of platinum: PT or platinum (platinum), and after the sign, it is necessary to indicate that the purity of platinum is a thousand points containing platinum, such as platinum (platinum (platinum (platinum (platinum (platinum ( Platinum) or PT950, PT990, PT999, the latter two are commonly known as foot platinum and thousand -foot platinum. It is like a platinum identity card. Only the platinum propaganda -PT or platinum jewelry is the real platinum jewelry.
    The logo of white K gold is AU750/G750/18K/Gold 750, which indicates that its 75%alloy material is gold, and then adds other metals to show surface white. rn1、厂家印记:生产工厂会在白金饰品上面(如戒指内壁),刻上自己的标识,通常是英文缩写,比如:RF;rn2、首饰印记:根据国家标准,纯银The jewelry must have an exclusive mark, such as AU750, "AU" represents gold, "750" represents 75.0%of the silver content, 18K white gold marks are AU750; platinum printed is PT950, PT990, and "PT" represents platinum. 950 is 95.0%platinum content, and 990 is 99.0%of platinum content;
    3, finger ring number: the diameter of the ring, usually use numbers, such as: 13;
    4, other word prints: Consumers can Require the word prints you need in the class, such as "LOVE".
    The expansion information
    Platinum jewelry maintenance:
    1. Avoid contact with high volatile substances such as perfume and glue directly.
    2, do not let the platinum jewelry contact chemicals, such as cleaners, nail polish, etc.
    3. Remember to remove the accessories when swimming to avoid the chemical changes that may produce the surface layer after contact with the seawater or pool water.
    4. If the white gold is worn, if the stains and dust are contaminated, they lose their luster. As long as the platinum is soaked and cleaned in a neutral cleaner diluted in warm water, and then removed and wiped out.
    5. Wipe with velvet cloth often maintains the luster of the platinum surface.
    6. Avoid placing platinum jewelry with other jewelry, especially diamonds, because its hardness can cause friction with each other, so it should be stored independently with a cloth box.
    7. Platinum jewelry is regularly delivered to professional jewelry shops every six months for cleaning. In addition to cleaning, the platinum surface will be covered with small wear marks due to long-term friction, which also reduces brightness. It can be thrown up with white gold cloth lightly grinding the white gold surface, but it is best to make a throw once in 2-3 years. The grinding and essence is treated, and the jewelry can restore the beautiful and bright light at the beginning.
    Reference materials Source: Baidu Encyclopedia-Platinum Jewelry
    Reference Data Source: Baidu Encyclopedia-Platinum

  4. There are marks on platinum jewelry:
    1. Manufacturer's mark: The production plant will engrav on their own logo on the inner wall of Platinum accessories (such as the inner wall of the ring), usually English abbreviations, such as:
    2. Jewelry marks :根据国家标准,纯银饰品必须带有专属印记,如AU750,“AU”代表金,“750”代表含银量为75.0%,18K白金字印就为AU750;铂金字印为PT950,PT990, Similarly, "PT" represents platinum. 950 is 95.0%platinum content, and 990 is a platinum content of 99.0%;
    3. Finger number: The diameter of the ring is usually represented by numbers such as: 13;
    4. Other words: Consumers can ask the word marks they need in class, such as "Love".
    The word print on the platinum jewelry must be available?
    : According to national standards:
    1. The jewelry marks "AU750" and "PT950" on the precious metal jewelry are required by the state. . Manufacturer's mark: According to the factory's own needs, decide whether to print the print;
    3. Finger number: also decide whether to print the print according to the needs of the student; And whether the seller has corresponding services and equipment to determine and whether to print.
    Remarks: When buying precious metal jewelry, you must choose products with jewelry marks such as: S925, AU750, PT950, PT990 and other products. Without such marks, the product does not meet national standards. Do not buy it.

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