BOC's golden quality is quite good. Those who really understand the bank will buy China Banking Bank. BOC Gold Bank is a gold company set up by the People's Bank of China. The old temple just hangs a brand. The common people know a lot and it will be a lot more expensive. BOC's gold in gold can not be bought before. Only in the past few years can there be some specialty stores. 1. BOC Gold Bank was founded in 1992 and was only a gold jewelry company managed by the People's Bank of China. It is the gold wholesaler in China's gold. 2. First of all, the gold of BOC Gold is definitely pure, which is better than ordinary gold. This company is also the founding shareholder of Beijing Caibai. The strength can be imagined. 3, BOC's golden popularity is not so high because state -owned enterprises have not been promoted. You ask people who make jewelry to know To expansion information: The identification method of authenticity gold. : Seeing color Ben according to the different gloss of gold, you can generally distinguish gold, K gold, real gold, and fake gold. Gold is better yellow yellow, and the color is more than 95%; This yellow color is about 80%; the color of the blue and yellow color is about 70%; Therefore, there is a formula for "seven greens, eight yellow, nine five red, and yellow leucorrhea ash. Is when we buy gold jewelry, if we see the color of the gold, it means that the purity of the gold is low; if the color displayed by the gold jewelry is yellow and red yellow, it means that the golden purity is high. If for the jewelry of Jiuzang, there is a saying that "copper turns green, silver turns black, and gold will never change color". : Look at the logo The logo mentioned here is the English and numbers engraved with gold jewelry, sometimes the words "Foot Gold 999" or "AU999". In general, some gold jewelry brands will also have a "Precious Metal Appraisal Certificate" issued by the National Jewelry Quality Appraisal Center, which will also clearly indicate the detection number and gold content of the gold jewelry. Wen gold that we usually refer to refers to the gold jewelry content of not less than 990 in the gold jewelry, represented by "foot gold" or "AU990"; 999 in the thousandths of thousands, expressed in "Thousands of Gold" or "AU999"; If it is a full -scale gold, it will be expressed in the words "AU9999" that the content of 10,000 enough gold is higher than that of thousands of gold. The gold jewelry will also appear 24K or 18K markers. If it is 24K, the goldenness of the gold is more than 99.6%, which is sufficient gold or red gold; if it is 18K, the golden purity is 75%. 3: Seeing the amount The proportion of gold is relatively high than other materials. In small pieces of gold than copper of the same size, the golden feel is heavier because the density of gold is relatively high. After understanding this feature, you can use real gold jewelry to weigh it to weigh Just look for feelings. S really gold jewelry, when you put it on your hand, you will feel like a fall; if it is fake, there will be a sense of light flutter. Sometimes when we watch costume film and television dramas, we may see such a plot. Some people use their teeth to bite gold to identify authenticity. Because of the low hardness of pure gold, if you bite it, the real gold will leave tooth marks. This also illustrates from the side that the hardness of pure gold is not very high. If the hardness is too high, it may not be pure gold. : Listening to the sound When the golden jewelry with high color is tapped or threw it hard, the dull and low sound of "hits, click", no sound and no elasticity. k gold has sound rhyme, sound, elasticity, the greater the elasticity, the more the rhyme, the more the elders, the worse the color. The fake or low -quality golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there is a loud sound. Fifth: Use acid dot The golden roads that have been identified and paired on the testing stone, respectively, and test the nitric acid on the golden road with a glass stick. The reaction, so the color is unchanged. If it is not gold or non -pure gold, the golden road disappears or changes. : Burning with fire Inflowing the jewelry to burn red (do not melt the jewelry), observe the color change after cooling, if the surface is still the original golden color is pure gold; , if the color becomes darker or different degrees of black, it is not pure gold. Generally, the lower the color, the stronger the color, and the darkens are all, indicating that it is a fake gold jewelry. It, after burning red, it is quenched into the water, and the color remains unchanged. It really does not change color when it comes to fire.
BOC Gold's Gold is definitely okay. My family has been doing jewelry for more than 20 years. When I was a kid, my dad took me to introduce a train to Beijing China Yinjinxing to purchase goods. At that time, I could only purchase goods from their house. The company has a very powerful strength, and the purity is pure than other homes. However, there are very few retail stores. In recent years, there are retail stores.
Pay content for time limit to check for freenAnswer Hello! I'm glad to answer it for you! Dear! BOC's golden quality is quite good. Those who really understand the bank will buy China Banking Bank. BOC Gold Bank is a gold company set up by the People's Bank of China. The old temple just hangs a brand. The common people know a lot and it will be a lot more expensive. BOC's gold in gold can not be bought before. Only in the past few years can there be some specialty stores. 1. BOC Gold Bank was established in 1992 to accept the gold jewelry company managed by the People's Bank of China, and is the gold wholesaler in China's gold. 2. First of all, the gold of BOC Gold is definitely pure, better than ordinary gold. This company is also the founding shareholder of Beijing Caibai. The strength can be imagined. 3. BOC's golden popularity is not so high because state -owned enterprises have not been promoted. You ask those who make jewelry to know the expansion information: the method of identifying authenticity gold. First: Seeing the color according to the different gloss of gold, you can generally distinguish the gold, K gold, real gold, and fake gold according to the different gloss of gold. Gold is better yellow yellow, and the color is more than 95%; the color of the positive yellow is about 80%; the blue and yellow color is about 70%; "Seven green, eight yellow, nine five red, yellow leucorrhea ash pair half gold." When we buy gold jewelry, if we see the color of the gold, it means that the purity of the gold is low; if the color displayed by the gold jewelry is yellow and red yellow, it means that the golden purity is high. For jewelry from Jiu Tibet, there will be a saying that "copper turns green, silver turns black, and gold will never change color". Second: Look at the logo here, the English and numbers engraved on the gold jewelry, sometimes the words "Foot Gold 999" or "AU999". Under normal circumstances, some gold jewelry brands also come with a "precious metal identification certificate" issued by the National Jewelry Quality Appraisal Center, which will also clearly indicate the detection number and gold content of the gold jewelry. What we usually call foot gold means that the gold content of this gold jewelry is not less than 990 in the gold, and it is represented by "foot gold" or "AU990"; thousands of gold refers to the gold content of not less than 999th, and " "Thousands of gold" or "AU999" are expressed; if it is 10,000 enough gold, it will be expressed in the word "AU9999" that the content of 10,000 enough gold is higher than that of thousands of gold. Some gold jewelry will also appear 24K or 18K markings. If it is 24K, the golden profile is more than 99.6%, which is sufficient gold or red gold; if it is 18K, the gold purity is 75%. Third: The proportion of gold is relatively high compared to other materials. A small piece of gold is heavier than copper of the same size, because the density of gold is relatively high. After understanding this feature, you can use real gold jewelry to weigh it. Feel. Really gold jewelry, when you put the weight on your hands, you will feel the feeling of falling; if it is fake, there will be a flutteringnAsk if the golden hair is black is fakenAnswernQuestion I bought the new necklace I bought yesterdaynAnswer, you can take it over and askn3 morenBleak
BOC Gold Bank is the standard jewelry national team. It was once the boss of China Gold and the Gold Company of the People's Bank of China. It turned out to be more mysterious.
BOC's golden quality is quite good. Those who really understand the bank will buy China Banking Bank. BOC Gold Bank is a gold company set up by the People's Bank of China. The old temple just hangs a brand. The common people know a lot and it will be a lot more expensive. BOC's gold in gold can not be bought before. Only in the past few years can there be some specialty stores.
1. BOC Gold Bank was founded in 1992 and was only a gold jewelry company managed by the People's Bank of China. It is the gold wholesaler in China's gold.
2. First of all, the gold of BOC Gold is definitely pure, which is better than ordinary gold. This company is also the founding shareholder of Beijing Caibai. The strength can be imagined.
3, BOC's golden popularity is not so high because state -owned enterprises have not been promoted. You ask people who make jewelry to know
To expansion information:
The identification method of authenticity gold.
: Seeing color
Ben according to the different gloss of gold, you can generally distinguish gold, K gold, real gold, and fake gold. Gold is better yellow yellow, and the color is more than 95%;
This yellow color is about 80%; the color of the blue and yellow color is about 70%; Therefore, there is a formula for "seven greens, eight yellow, nine five red, and yellow leucorrhea ash.
Is when we buy gold jewelry, if we see the color of the gold, it means that the purity of the gold is low; if the color displayed by the gold jewelry is yellow and red yellow, it means that the golden purity is high.
If for the jewelry of Jiuzang, there is a saying that "copper turns green, silver turns black, and gold will never change color".
: Look at the logo
The logo mentioned here is the English and numbers engraved with gold jewelry, sometimes the words "Foot Gold 999" or "AU999".
In general, some gold jewelry brands will also have a "Precious Metal Appraisal Certificate" issued by the National Jewelry Quality Appraisal Center, which will also clearly indicate the detection number and gold content of the gold jewelry.
Wen gold that we usually refer to refers to the gold jewelry content of not less than 990 in the gold jewelry, represented by "foot gold" or "AU990";
999 in the thousandths of thousands, expressed in "Thousands of Gold" or "AU999";
If it is a full -scale gold, it will be expressed in the words "AU9999" that the content of 10,000 enough gold is higher than that of thousands of gold.
The gold jewelry will also appear 24K or 18K markers. If it is 24K, the goldenness of the gold is more than 99.6%, which is sufficient gold or red gold; if it is 18K, the golden purity is 75%.
3: Seeing the amount
The proportion of gold is relatively high than other materials.
In small pieces of gold than copper of the same size, the golden feel is heavier because the density of gold is relatively high. After understanding this feature, you can use real gold jewelry to weigh it to weigh Just look for feelings.
S really gold jewelry, when you put it on your hand, you will feel like a fall; if it is fake, there will be a sense of light flutter.
Sometimes when we watch costume film and television dramas, we may see such a plot. Some people use their teeth to bite gold to identify authenticity.
Because of the low hardness of pure gold, if you bite it, the real gold will leave tooth marks. This also illustrates from the side that the hardness of pure gold is not very high. If the hardness is too high, it may not be pure gold.
: Listening to the sound
When the golden jewelry with high color is tapped or threw it hard, the dull and low sound of "hits, click", no sound and no elasticity.
k gold has sound rhyme, sound, elasticity, the greater the elasticity, the more the rhyme, the more the elders, the worse the color.
The fake or low -quality golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there is a loud sound.
Fifth: Use acid dot
The golden roads that have been identified and paired on the testing stone, respectively, and test the nitric acid on the golden road with a glass stick. The reaction, so the color is unchanged.
If it is not gold or non -pure gold, the golden road disappears or changes.
: Burning with fire
Inflowing the jewelry to burn red (do not melt the jewelry), observe the color change after cooling, if the surface is still the original golden color is pure gold;
, if the color becomes darker or different degrees of black, it is not pure gold. Generally, the lower the color, the stronger the color, and the darkens are all, indicating that it is a fake gold jewelry.
It, after burning red, it is quenched into the water, and the color remains unchanged. It really does not change color when it comes to fire.
BOC Gold's Gold is definitely okay. My family has been doing jewelry for more than 20 years. When I was a kid, my dad took me to introduce a train to Beijing China Yinjinxing to purchase goods. At that time, I could only purchase goods from their house. The company has a very powerful strength, and the purity is pure than other homes. However, there are very few retail stores. In recent years, there are retail stores.
Pay content for time limit to check for freenAnswer Hello! I'm glad to answer it for you! Dear! BOC's golden quality is quite good. Those who really understand the bank will buy China Banking Bank. BOC Gold Bank is a gold company set up by the People's Bank of China. The old temple just hangs a brand. The common people know a lot and it will be a lot more expensive. BOC's gold in gold can not be bought before. Only in the past few years can there be some specialty stores. 1. BOC Gold Bank was established in 1992 to accept the gold jewelry company managed by the People's Bank of China, and is the gold wholesaler in China's gold. 2. First of all, the gold of BOC Gold is definitely pure, better than ordinary gold. This company is also the founding shareholder of Beijing Caibai. The strength can be imagined. 3. BOC's golden popularity is not so high because state -owned enterprises have not been promoted. You ask those who make jewelry to know the expansion information: the method of identifying authenticity gold. First: Seeing the color according to the different gloss of gold, you can generally distinguish the gold, K gold, real gold, and fake gold according to the different gloss of gold. Gold is better yellow yellow, and the color is more than 95%; the color of the positive yellow is about 80%; the blue and yellow color is about 70%; "Seven green, eight yellow, nine five red, yellow leucorrhea ash pair half gold." When we buy gold jewelry, if we see the color of the gold, it means that the purity of the gold is low; if the color displayed by the gold jewelry is yellow and red yellow, it means that the golden purity is high. For jewelry from Jiu Tibet, there will be a saying that "copper turns green, silver turns black, and gold will never change color". Second: Look at the logo here, the English and numbers engraved on the gold jewelry, sometimes the words "Foot Gold 999" or "AU999". Under normal circumstances, some gold jewelry brands also come with a "precious metal identification certificate" issued by the National Jewelry Quality Appraisal Center, which will also clearly indicate the detection number and gold content of the gold jewelry. What we usually call foot gold means that the gold content of this gold jewelry is not less than 990 in the gold, and it is represented by "foot gold" or "AU990"; thousands of gold refers to the gold content of not less than 999th, and " "Thousands of gold" or "AU999" are expressed; if it is 10,000 enough gold, it will be expressed in the word "AU9999" that the content of 10,000 enough gold is higher than that of thousands of gold. Some gold jewelry will also appear 24K or 18K markings. If it is 24K, the golden profile is more than 99.6%, which is sufficient gold or red gold; if it is 18K, the gold purity is 75%. Third: The proportion of gold is relatively high compared to other materials. A small piece of gold is heavier than copper of the same size, because the density of gold is relatively high. After understanding this feature, you can use real gold jewelry to weigh it. Feel. Really gold jewelry, when you put the weight on your hands, you will feel the feeling of falling; if it is fake, there will be a flutteringnAsk if the golden hair is black is fakenAnswernQuestion I bought the new necklace I bought yesterdaynAnswer, you can take it over and askn3 morenBleak
BOC Gold Bank is the standard jewelry national team. It was once the boss of China Gold and the Gold Company of the People's Bank of China. It turned out to be more mysterious.
Of course it is the second one