What is Sodium Pyrosulfite?

In chemistry, it is considered an inorganic compound, it looks like a white powder. On closer inspection, small crystals can be seen.

Chemical formula: Na2S2O5. It has been given the E223 marking. When used in confectionery and food factories - E223 is added as a preservative.

It is used as an additive to drinks: juices, wine and vodka products, malt beer.

Food supplement E223 has a number of antibacterial and disinfectant properties. The preservative prevents the spread of bacteria and microorganisms that cause fermentation and is used for disinfection. A technical option for disinfection of premises.

Sodium pyrosulfite is used for drying raisins, making starch, and various kinds of puree (fruit or tomato). It is added to mashed potatoes to reduce the effects of starch and remove browning of food.

In the confectionery industry, the preservative is added to marshmallows, jellies, marshmallows, and preserves.

In Latin it is written as Natrium metabisulphitis. The price of e223 varies from 45 rubles and above. As a rule, the cheapest cost is an illiquid product that has not passed, laboratory tests and, according to certain parameters, does not meet the declared standards.

How to replace sodium pyrosulfite?

For winemaking, the product is used as an antioxidant. It helps to remove mold in containers and neutralize its further appearance.

The raw materials themselves are cheaper than their counterparts, for example, the same potassium metabisulfite, which is added as an antioxidant to the wine itself. It is also used for sterilizing wine bottles and barrels.

Where to buy sodium pyrosulfite for gold refining

Let's figure out what refining is? In fact, this is the separation of gold with acids and its precipitation, then the finished gold sand is collected. And in the future, small ingots are poured out of it or melted into products of a certain shape by means of patterns and blanks.

At ore production on a massive scale, it is used to snap off ore and all kinds of rocks, namely pure gold. Extraction and manufacture of 999-fine ingots.

To obtain a precipitate of dissolved gold, nitric or hydrochloric acids are used. You can also etch any radio parts and contacts containing gold plating with 3-valent iron chloride.

For example, the photo below shows the process of etching gold-plated contacts in a flask.

Sodium metabisulfite in medicine

As an antioxidant, reagent grade (chemically pure) is used to stabilize injection fluids / solutions.

Sodium metabisulfite test is positive what does it mean?

A blood sample is used to detect sickle-shaped red blood cells. Research is carried out in laboratories. The exact value in this case can only be supplied by an expert in the medical field.

TPK LLC delivers chemically pure and chemically pure version, the minimum order is 100 kg.

How long is sodium pyrosulfite stored?

The expiry date of the E223 starts from the moment of its calibration at the manufacturer's factory. Once the product is packaged in bags and palletized, it is assigned a batch, number and production date / time.

Further, the countdown of its expiration date begins. The manufacturer gives the E223 food grade, 98% and 97.12% concentration - 1 year. For a technical product of lower concentration - also one year.

Sodium pyrosulfite manufacturers - exporters and importers

In Russia, factories producing sulfates: OJSC UFAKHIMPROM, BASF, MERCK, NORBRIGHT INDUSTRY, OJSC KHIMZAVOD IM.L. Y. KARPOVA, BASF AKTIENGESELLSCHAFT.

It is widely produced in countries such as: Turkey, China, Germany.

We have Turkish 98% Sodium metabisulfite and Chinese 97.2% E223 in our warehouses.

Packing - bags of 25 kg, in pallets of 1000 kg / ton.


How to wholesale sodium pyrosulfite?
Trade Industrial Company LLC is engaged in the wholesale supply of industrial raw materials in Russia.

Has warehouses in Moscow, St. Petersburg, Ufa, Novorossiysk.

It is a direct supplier of E223 and a representative of factories on the territory of the Russian Federation.

In addition, it exports to the CIS countries: Kazakhstan, Uzbekistan, Tajikistan, Belarus.

Send applications to the mail: sale@tpcompany.ru or call +7 (495) 241-18-87