Min. Order Reference FOB Price
25 kg US$2.50-4.80 / kg
Product Description
Product Description Zinc Sulfate Heptahydrate Characters: It is colorless, transparent prisms or small needles, or as a granular, crystalline powder. It contains one or seven molecules of water of hydration. The heptahydrate effloresces in dry air at room temperature. Its solutions are acid to ...