1 thought on “How to detect personal jewelry jewelry”

  1. Summaryn[Gold jewelry content measurement measurement]nPreparation tool:nThe tools that need to be prepared first are electronics that the best to be accurate to 0.001 grams. You also need a cup of water. Don't be full. You can soak jewelry. (Note, hollow, impermeable jewelry cannot be measured), and a long -point hair.nMeasurement methods:nThe first step is to call the weight of jewelry;nThe second step is to put it on the electrical name of the water, and then click the peeling key.nThe third step, the most important step is to say the weight of the water, use the hair to rush to the jewelry, hang it into the water to weigh it, pay attention, the jewelry must be soaked, the jewelry can not touch the wall and bottom of the cup, and the hand is also the hand. Do not touch the cup. As soon as the hair wire is as small as possible in the water, you can minimize the error as much as possible! The measurement is completed, and then calculate it. Use the jewelry to remove the heavy water. The density ratio is obtained from the gold content of this piece of jewelry.nConsultation record · Answer on 2021-10-23nHow to detect personal jewelry jewelry, please wait for [Gold Jewelry content measurement measurement] Preparation tools: The tools that need to be prepared first are, electronically, it is best to be accurate to 0.001 grams. You also need a cup of water. Don't be full. You can soak jewelry. (Note, hollow, impermeable jewelry cannot be measured), and a long -point hair. Measurement method: The first step is to call the weight of the jewel One step is, the weight of the hanging water, use the hair to rush to the jewelry, hang it into the water to weigh it, pay attention, the jewelry must be soaked in all, the jewelry cannot encounter the wall and bottom of the cup Shri as little as possible in the water as much as possible, so that the error can be reduced as much as possible! The measurement is completed, and then the calculation is calculated. Use the jewelry to remove the weight of the water. The gold content of this jewelry. Gold jewelry] Gold jewelry refers to jewelry made of gold as the main raw material. The chemical symbol of gold is AU, with a gravity of 17.4 and Mo's hardness is 2.5. Gold jewelry can be divided into two categories: pure gold and K gold in terms of gold content. The gold content of pure gold jewelry is more than 99%, and it can reach up to 99.99%. In order to overcome the shortcomings of high gold price, low hardness, single color, easy wear, and unspoken pattern, some other metal elements are usually added to pure gold to increase the hardness of jewelry gold and change its tone and reduce its melting point. The gold -alloy jewelry with different color heights and obviously different gold content, the term "karat" is crowned. The K gold system is the international popular gold metering standard. The complete statement of K gold is "Krat Gold" and gives K gold with accurate gold content standards, thus forming a series of K gold jewelry. How to check the jade individual, how should I apply for the institution to check, how is the charge? Please wait for the Quality Supervision Bureau, but the inspection agency of the Quality Supervision Bureau is generally quality supervision and inspection. I am afraid that they cannot do jade identification. They are appraised in accordance with national standards. You can call 12365. 2. Jade appraisal should go to the inspection office of the local and mining department. In some places, geological and mineral management should be in the Land and Resources Bureau. I do n’t know if there is a land and mine inspection agency in the urban land bureau where you are located. You can go to a specialized institution for a few hours and the price is not very high. Thank you. Thank you. You can give it a praise.

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