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Website: http://www.longyaochemical.com Ferrous sulfate iron monohydrate feso4·1h2o is white and beige smooth powder, easily soluble in water.used as analytical reagents; ferrite raw materials, iron intensifiers, fruit and vegetable coloring agents, etc.; adjust the ph of the soil, produce magnetic iron oxide, iron oxide red and iron blue inorganic pigments, iron catalysts for plants; use in medicine used as a local astringent and blood tonic; as an iron supplement in feed processing.

Website: http://www.longyaochemical.com Precipitated barium sulfate is an important basic chemical raw material, and its chemical formula is BaSO4. The appearance of the product is white amorphous powder, the relative density is 4.50 (15 ℃), and the melting point is 1 580 ℃. Due to the high refractive index (1.63～1.65), the color is whiter and has a certain hiding power. It is almost insoluble in water, ethanol and acid, but soluble in hot sulfuric acid. It is easy to make mixed crystals with potassium permanganate, calcium carbonate or metal nitrate. It can be reduced to barium sulfide with carbon at high temperature.

Website: http://www.longyaochemical.com Solid Poly Ferric Sulfate (PFS) is widely used in urban water supply, industrial wastewater purification, papermaking wastewater, printing and dyeing wastewater, etc. It has the best effect in removing turbidity, decolorization, deoiling, dehydration, sterilization, deodorization, algae removal, and removal of COD, BOD and heavy metal ions in water.

Website: http://www.longyaochemical.com Sodium metabisulfite (Na2S2O5), MSBS, is an inorganic compound, white or yellow crystals, with a strong pungent odor, soluble in water, the aqueous solution is acidic, contact with strong acid will release sulfur dioxide and generate corresponding salts.

Website: http://www.longyaochemical.com Sodium formate is a white crytalline powder with water absorbing performance. It is soluble in water and glycerol, slightly soluble in ethanol.

Website: http://www.longyaochemical.com Sodium Sulphate Anhydrous 99% min is mainly used to manufacture water glass, glass, enamel, pulp, refrigerant mixture, detergent, desiccant, dye diluent, analytical chemical reagent, medicine, feed, etc.

Website: http://www.longyaochemical.com Sodium Sulfide Pentahydrate is a white, solid crystal chemical, easy to deliquescent.The molecular formula is Na2S·5H2O.

Website: http://www.longyaochemical.com Sodium sulfide nonahydrate is a white, solid crystal chemical, easy to deliquescent.The molecular formula is Na2S·9H2O.

Website: http://www.longyaochemical.com Sodium hydrosulphide is an inorganic sulfur compound with the formula NaHS. The product is yellow or yellow-brown flakes, easily soluble in water and alcohol. It is decomposed into sodium hydroxide and sodium sulfide in humid air. Hydrogen sulfide is formed when encountering acid. The aqueous solution is strongly alkaline.

Website: http://www.longyaochemical.com Black is a dye used in cotton and synthetic fiber materials and has always been in great demand, especially in the dyeing of denims & garments. Among all types of dyes, sulfur black is an important dye for coloring cellulose due to its good fastness characteristics, cost-effectiveness, and ease of use under different processing conditions.