Pure gold: pure gold with a gold content of not less than 990. The stamps are pure gold, 990 gold, 990 gold or g990 gold.
To buy gold jewelry, we must first recognize the quality inspection marks of gold jewelry. Most of the gold ornaments sold in the market are equipped with inspection marks of quality inspection institutions, which clearly indicate the gold content and weight of the ornaments. 999 gold is also called thousands of gold, and the gold content is not less than 999 ‰; 990 gold is called pure gold, and the gold content is not less than 990 ‰; The gold content of 22K gold is not less than 916 ‰; 18K gold has a gold content of not less than 750 ‰; 14K gold has a gold content of not less than 585 ‰; The gold content of 9K gold is not less than 375‰.
Therefore, gold recovery does not look at the old and the new, but only at the color and weight. On April 7, 2020, the current real-time gold price of gold was 373.6 yuan per gram, and the loss per gram 10 yuan was deducted from the recovery.