Fe Na2S Water insoluble Na2CO3 Na2SO3 Na2S2O3 color 15PPM Max 60% min 0.05% max 1.80% max 1.80% max 2.00% max  Yellow 20PPM Max 60% min 0.10% max 1.80% max 1.80% max 2.00% max ....
SHANDONG HEDA INDUSTRY LIMITED is a major manufacturer of chemical raw mater ials in China mainland. Our products include basic organic and inorganic che....
Cas no.: 7664-38-2 Content: 85% min& 75% min Molecular Formula : H3PO4 Molecular Weight : 97.99
White Crystalline Powders, Colorless Crystals or Granules. Standard: BP93/ BP98/ USP24/ E330
Description: White amorphous powder ( or bar particle, nodular particle) solids, readily soluble in water, slightly soluble in alcohol. Application: Widely used as a preservative in food and....