Pearls' Processing and Preservation

(1) General cleaning

Put the harvested pearls into the light water to immersion in time; and then wash them with soap water and fresh water. Then dry them to be preservation. In order to thoroughly wash away the bead surface's fixtures remaining mucus and dirt, after by washing with water, the harvesting pearl can be used the brine to immerse for 5 to 10 minute; and then mixed with fine salt to rub pearls (the ratio of 2:1); the following step is to use the light soap water and clean water to rinse several times. Finally use a towel or cloth to lighting with them, and then dry it and preserve.

(2) Pharmacy washing

① Poor pearls can use the 0.15% to 0.2% content of the 12 alcohol sulfuric acid to wash, and then washed with water, dried and then preserve.

② Dim or stain of the surface gloss of pearls may use 3% of the concentration of hydrogen peroxide to wash, and then clean with water and dry before the preservation.

The medicinal pearls should not use with chemical processing degree of agents to clean after harvesting. They can be dried after cleaning only with water and salt water.

All treated pearls, after drying them, should be put into the cleaning bags to be loaded; and then place in cabinets after the seal. Do not place in the humid areas.





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