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..., glossiness and stability. 2, The production of precipitated silica starts with the reaction of an alkaline silicate solution with a mineral acid. Sulfuric acid and sodium silicatesolutions are added simult...
... The production of precipitated silica starts with the reaction of an alkaline silicate solution with a mineral acid. Sulfuric acid and sodium silicatesolutions are added simultaneously with agitation to wat...
..., copper, strontium and other beneficial to human health care trace elements, which combined with some sodium bicarbonate can enhance the effect of warm bath and promote blood circulation. It can effectively...
... beneficial to human health care trace elements, which combined with some sodium bicarbonate can enhance the effect of warm bath and promote blood circulation. It can effectively relieve the pain in waist an...
... in hot spring. The hot spring contains silicic acid, lithium, bromine, selenium, copper, strontium and other beneficial to human health care trace elements, which combined with some sodium bicarbonate can e...