1. 3 9 on gold refers to the highest value of the jewelry named. The mark is thousands of gold, 999 gold, GOLD999 or G999. The mark of gold jewelry includes manufacturers' code, materials and purity, such as: X Gold 990, XAU990, X -foot gold, etc. 2, 4 9 on gold refers to the highest value of the jewelry in the market circulation. However, it is not among the national standards, and the mark is the printed, 9999 gold, AU9999, or G9999. 3, 5 9 on gold refer to high -purity gold, referring to the gold products with a purity of 99.999%of the gold products, which are called high -purity gold and marked as AU99999. Gao Chunjin is higher than the purity of AU9999, more red and pure. The expansion information: Gold cleaning method: 1. The gloss of the gold jewelry can be used to apply a layer of nail polish thinly. 2, the ring inlaid with a cotton roll with a popsicle or match stick, wet the gemstone and its frame in the mixed fluid of the dew and glycerin, and then brighten the ring with the velvet cloth. Do not scrape it with a kind of sharp objects. 3, salt and vinegar mixed synthetic cleaning agent, using it to wipe the pure gold jewelry, which can make a long time. 4, wipe or scrub with hot rice soup with hot rice, can also restore gloss. Reference materials Source: Baidu Encyclopedia-Thousands of Gold Reference materials Source: Baidu Encyclopedia-Wanfu Gold Reference Data Source: Baidu Encyclopedia-Gao Chunjin Reference materials Source: Baidu Encyclopedia- Gold
1. 3 9 on gold refers to the highest value of the jewelry named. The mark is thousands of gold, 999 gold, GOLD999 or G999. The mark of gold jewelry includes manufacturers' code, materials and purity, such as: X Gold 990, XAU990, X -foot gold, etc.
2, 4 9 on gold refers to the highest value of the jewelry in the market circulation. However, it is not among the national standards, and the mark is the printed, 9999 gold, AU9999, or G9999.
3, 5 9 on gold refer to high -purity gold, referring to the gold products with a purity of 99.999%of the gold products, which are called high -purity gold and marked as AU99999. Gao Chunjin is higher than the purity of AU9999, more red and pure.
The expansion information:
Gold cleaning method:
1. The gloss of the gold jewelry can be used to apply a layer of nail polish thinly.
2, the ring inlaid with a cotton roll with a popsicle or match stick, wet the gemstone and its frame in the mixed fluid of the dew and glycerin, and then brighten the ring with the velvet cloth. Do not scrape it with a kind of sharp objects.
3, salt and vinegar mixed synthetic cleaning agent, using it to wipe the pure gold jewelry, which can make a long time.
4, wipe or scrub with hot rice soup with hot rice, can also restore gloss.
Reference materials Source: Baidu Encyclopedia-Thousands of Gold
Reference materials Source: Baidu Encyclopedia-Wanfu Gold
Reference Data Source: Baidu Encyclopedia-Gao Chunjin
Reference materials Source: Baidu Encyclopedia- Gold