nátriumbiszulfit

Nátriumbiszulfit is the sodium salt of bisulfite, with the chemical formula NaHSO3. It is a white crystalline solid that is soluble in water. Nátriumbiszulfit is a reducing agent and is used in a variety of industrial applications.

One of the main uses of nátriumbiszulfit is as a preservative. It is often added to foods and beverages to prevent spoilage. This is because nátriumbiszulfit can inhibit the growth of bacteria and other microorganisms. It is also used in winemaking to prevent oxidation and to control fermentation.

Nátriumbiszulfit is also used in the paper industry as a bleaching agent. It helps to remove lignin from wood pulp, which is a component of wood that gives paper its brown color. In addition, nátriumbiszulfit is used in photography as a developing agent.

In water treatment, nátriumbiszulfit is used to remove chlorine from water. Chlorine is often added to drinking water to kill bacteria, but it can also be harmful to aquatic life. Nátriumbiszulfit reacts with chlorine to form sodium chloride and sodium bisulfate, neither of which are harmful.

Nátriumbiszulfit can cause irritation to the skin and eyes. Ingestion of large amounts can lead to nausea, vomiting, and diarrhea. Individuals with asthma or sulfite sensitivities may experience allergic reactions.