5 thoughts on “How can I know that the Saturday Fu Gold Necklace I bought is true and false?”
Jessica
1. Check the logo of Saturday Fook Gold. It is usually engraved with 999 or 990 or 10K, 18K, 22K, 24K. Don't take less than 10K because the gold content is too low. Old gold jewelry does not obviously report the official purity logo. Of course, there will be official signs of counterfeiting gold jewelry, so further inspections need to be checked. 2, the "CLF" logo will be inside Saturday, which is a sign of the Saturday Fook brand. The first letter from "Saturday Blessing" Pinyin Chou Luk Fook, and C also represents china. In addition, on the Saturday, the Fook Gold Ring will have a certificate tested by relevant international departments when purchasing. It must be regulated whether it is standardized. 3. You can go to the local authoritative jewelry testing agency or the technical supervision bureau for testing. Their products include Saturday's blessing logo and foot gold marks, which provide quality assurance forms. They also have anti -counterfeiting query functions in their official public account.
extension information: 9999 gold jewelry certified by the national authority in the gold market has only Jilin Gold and Silver Jewelry City, In order to make consumers easier to distinguish between authenticity, the 9999 gold jewelry sold by Jilin Province Gold and Silver Jewelry City is renamed "'Wanchun Supreme" series of high -purity gold jewelry ". It look at the repurchase strength. Generally speaking, gold jewelry contains higher design costs, which is much higher than international gold prices. In addition, the repurchase channels for gold jewelry are relatively single, so the repurchase price is much lower than the real -time gold price. Reference information: Phoenix.com-Differential authenticity 9999 gold jewelry has a trick
Differential gold requires some experience. Simply introduce some identification methods. But it is best to go to the gold shop! (1) See color: the higher the purity of the gold jewelry, the deeper the color. If there is no gold medal, you can determine the general color according to the following color (based on green gold. The so-called green gold contains only silver ingredients in gold); dark red yellow color is more than 95 %, light red yellow 90-95 % The pale yellow is 80-85 %, the cyan is 65-70 %, and the white light is only 50--60 % white light. The slightly yellow and white are less than 50 %. Generally, Qiqing, Eight Huang, and Jiu Chi can be used as a reference. (2) Type weight: The proportion of gold is 19.32, which is more important than metal such as silver, copper, lead, zinc, aluminum. The volume of gold is more than 40 % heavier than the silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. The gold jewelry should have a feeling of sinking in the hand, and the fake gold jewelry feels lightly. This method is not suitable for gold jewelry inlaid. (3) Look at the hardness: pure gold is soft and low. It can draw light marks with nails. Teeth bite can leave tooth marks. High -colored gold jewelry is low in color. The bending method can also test the hardness, the pure gold is soft, it is easy to bend, the lower the purity, the less likely to bend. (4) Listening to the sound: Throwing the real gold with more than 99 % to throw it on the hard ground, it will make a tap sound, there is no rhyme or elasticity. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds. (5) Burning with fire: Burning the jewelry with fire with fire (do not make the brown 刍 湫? Observe the color change after cooling, if the surface is still golden, it is pure gold; if the color becomes darker, the color becomes dark; Or to varying degrees, it is not a pure gold. Generally, the lower the color, the stronger the color, all of which become black, indicating that it is fake gold jewelry. (6) Seeing the mark: Domestic gold jewelry is prepared according to international standards Success, and hit the killing, such as "24K" indicate "foot red" or "foot gold"; 18K gold, indicating the word "18K", which is lower than LOK. Criminals in the society are commonly used to make fake cards and imitation stamps, and use rare gold, Asian gold, and even brass to impersonate real gold. Therefore, the identification of gold jewelry must be comprehensively determined according to the sample to determine the true and false. There are two common methods for accurate identification of color. (1) Testing gold stone method: Select the black test gold stone with delicate texture, use the standard gold medal with standards of gold (on the gold medal) The appraisal gold jewelry sample scratches on the same test gold stone, drips with concentrated nitric acid to remove the impurities, and finds the traces left on the test gold stone comparison with the traces of the tasting sample, find the same color as the jewelry sample, compare the sample gold The standard degree is the accurate gold content of the golden decorative sample. (2) Chemical method: also known as the reagent test method. Gold is insoluble in separate nitric acid, sulfuric acid and hydrochloric acid, and silver, copper, etc. The ingredients can be dissolved with a chemical reaction with nitric acid. Take gold decorative samples. Put the nitric acid on a certain part. If gold is gold, it will not change color. The two -price copper salt and the green foam. For gold jewelry with a gold content of more than 95 %, try nitric acid and the surface changes very small
Pay content for time limit to check for freenAnswer Hello, check the logo of Saturday Fook Gold. It is usually engraved with 999 or 990 or 10K, 18K, 22K, 24K. Do not take less than 10K, because the gold content is too low, and the Saturday Fook Gold Ring will have a certificate tested by relevant international departments when purchasing. You must see if it is standardized. You can also go to the local authoritative jewelry testing agency or technical supervision Institute test.
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1. Check the logo of Saturday Fook Gold. It is usually engraved with 999 or 990 or 10K, 18K, 22K, 24K. Don't take less than 10K because the gold content is too low. Old gold jewelry does not obviously report the official purity logo. Of course, there will be official signs of counterfeiting gold jewelry, so further inspections need to be checked.
2, the "CLF" logo will be inside Saturday, which is a sign of the Saturday Fook brand. The first letter from "Saturday Blessing" Pinyin Chou Luk Fook, and C also represents china. In addition, on the Saturday, the Fook Gold Ring will have a certificate tested by relevant international departments when purchasing. It must be regulated whether it is standardized.
3. You can go to the local authoritative jewelry testing agency or the technical supervision bureau for testing. Their products include Saturday's blessing logo and foot gold marks, which provide quality assurance forms. They also have anti -counterfeiting query functions in their official public account.
extension information:
9999 gold jewelry certified by the national authority in the gold market has only Jilin Gold and Silver Jewelry City, In order to make consumers easier to distinguish between authenticity, the 9999 gold jewelry sold by Jilin Province Gold and Silver Jewelry City is renamed "'Wanchun Supreme" series of high -purity gold jewelry ".
It look at the repurchase strength. Generally speaking, gold jewelry contains higher design costs, which is much higher than international gold prices. In addition, the repurchase channels for gold jewelry are relatively single, so the repurchase price is much lower than the real -time gold price.
Reference information: Phoenix.com-Differential authenticity 9999 gold jewelry has a trick
Differential gold requires some experience. Simply introduce some identification methods. But it is best to go to the gold shop!
(1) See color: the higher the purity of the gold jewelry, the deeper the color. If there is no gold medal, you can determine the general color according to the following color (based on green gold. The so-called green gold contains only silver ingredients in gold); dark red yellow color is more than 95 %, light red yellow 90-95 % The pale yellow is 80-85 %, the cyan is 65-70 %, and the white light is only 50--60 % white light. The slightly yellow and white are less than 50 %. Generally, Qiqing, Eight Huang, and Jiu Chi can be used as a reference. (2) Type weight: The proportion of gold is 19.32, which is more important than metal such as silver, copper, lead, zinc, aluminum. The volume of gold is more than 40 % heavier than the silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. The gold jewelry should have a feeling of sinking in the hand, and the fake gold jewelry feels lightly. This method is not suitable for gold jewelry inlaid.
(3) Look at the hardness: pure gold is soft and low. It can draw light marks with nails. Teeth bite can leave tooth marks. High -colored gold jewelry is low in color. The bending method can also test the hardness, the pure gold is soft, it is easy to bend, the lower the purity, the less likely to bend.
(4) Listening to the sound: Throwing the real gold with more than 99 % to throw it on the hard ground, it will make a tap sound, there is no rhyme or elasticity. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds.
(5) Burning with fire: Burning the jewelry with fire with fire (do not make the brown 刍 湫? Observe the color change after cooling, if the surface is still golden, it is pure gold; if the color becomes darker, the color becomes dark; Or to varying degrees, it is not a pure gold. Generally, the lower the color, the stronger the color, all of which become black, indicating that it is fake gold jewelry.
(6) Seeing the mark: Domestic gold jewelry is prepared according to international standards Success, and hit the killing, such as "24K" indicate "foot red" or "foot gold"; 18K gold, indicating the word "18K", which is lower than LOK. Criminals in the society are commonly used to make fake cards and imitation stamps, and use rare gold, Asian gold, and even brass to impersonate real gold. Therefore, the identification of gold jewelry must be comprehensively determined according to the sample to determine the true and false. There are two common methods for accurate identification of color.
(1) Testing gold stone method: Select the black test gold stone with delicate texture, use the standard gold medal with standards of gold (on the gold medal) The appraisal gold jewelry sample scratches on the same test gold stone, drips with concentrated nitric acid to remove the impurities, and finds the traces left on the test gold stone comparison with the traces of the tasting sample, find the same color as the jewelry sample, compare the sample gold The standard degree is the accurate gold content of the golden decorative sample.
(2) Chemical method: also known as the reagent test method. Gold is insoluble in separate nitric acid, sulfuric acid and hydrochloric acid, and silver, copper, etc. The ingredients can be dissolved with a chemical reaction with nitric acid. Take gold decorative samples. Put the nitric acid on a certain part. If gold is gold, it will not change color. The two -price copper salt and the green foam. For gold jewelry with a gold content of more than 95 %, try nitric acid and the surface changes very small
Pay content for time limit to check for freenAnswer Hello, check the logo of Saturday Fook Gold. It is usually engraved with 999 or 990 or 10K, 18K, 22K, 24K. Do not take less than 10K, because the gold content is too low, and the Saturday Fook Gold Ring will have a certificate tested by relevant international departments when purchasing. You must see if it is standardized. You can also go to the local authoritative jewelry testing agency or technical supervision Institute test.
Super simple: Boiling a few seconds of fire, the unchanged color is gold.
00:00 / 00: 4170% shortcut keys to describe space: Play / pause ESC: Exit full screen ↑: increase volume 10% ↓: decreases by 10% →: Single fast forward 5 seconds studio Here you can drag no longer appear in the player settings to reopen the small window shortcut key description