18 Years Factory Epoxy Resin Pigment Powder - Manufacturer Good Price Sodium metabisulfite CAS:7681-57-4 – INCHEE

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18 Years Factory Epoxy Resin Pigment Powder - Manufacturer Good Price Sodium metabisulfite CAS:7681-57-4 – INCHEE Detail:

Synonyms

Sodium Metabisulphite

Sodium metabisulfite, SO2 58.5%min;disodiummetabisulfite;

disodiumpyrosulphite;fertisilo;

metabisulfitedesodium;Sodiummetabisufite;SodiumMetabisulphiteAcs;SodiumMetabisulphiteExtraPure

Applications of Sodium metabisulfite

Sodium metabisulfite Sodium Metabisulphite, manufactures sodium metabisulfite by reacting sulfur dioxide with sodium carbonate (soda ash), purifying and drying to form crystals or powder.
Na2CO3 + 2SO2→Na2S2O5 + CO2
Sodium metabisulfite (SMBS, Sodium disulfite) is a white, granular solid sodium salt. an inorganic compound made up of sodium, sulfur, and oxygen, and used in many industries:
1.in the pulp and paper industry, in the photographic industry and in the various other industries as a bleach or dechlorinator.
2.Food Grade sodium metabisulfite may be used as a food preservative. It is also commonly added to various food products and wines as a preservative.
3.Sodium metabisulfite can also be used in the manufacture of other chemicals, Used in production of cleaning agents, detergents, and soaps.
4.It also acts as a corrosion inhibitor in oil and gas industry, as a bleaching agent in the production of coconut cream, as the source of sulfur dioxide and in the destruction of cyanide in commercial gold cyanidation processes.
5.Gold mining industry: It is utilized in the precipitation of gold from auric acid as well as in the waste water treatment to remove hexavaent chromium as trivalent chromium by precipitation after reduction.
6.Preservative in photo developer solutions, it is used in photography.
7.Oxygen scavenge:it plays as an oxygen scavenger to eliminate the dissolved oxygen in wastewater and in pipes.
8.Sodium metabisulfite may be used as an initiator during the cross-linking polymerization of polybutadiene in the cores of the vesicle membranes.
9.It may be added as an antioxidant during the preparation of stock solutions of 6-hydroxydopamine in various studies.
10.Dechlorination in municipal wastewater, pulp & paper, power, and textile water treatment plants.

Specification of Sodium metabisulfite

ITEM
Appearance	WHITE OR LIGHT YELLOW CRYSTALLINE POWDER
Na2S2O5	≥97
SO2	≥65.0
Fe	≤0.002
As	≤0.0001
WATER INSOLUBLE	≤0.02
PH	4-4.8

Packing of Sodium metabisulfite

25kg/bag Sodium metabisulfite

Storage should be at cool, dry and ventilate.

drum

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