Weifang Zhengyang Chemical Co., Ltd.

What should be paid attention to when using food grade sodium metabisulfite?

Sodium metabisulfite is a white or light yellow crystalline powder with a strong odor of sulfur dioxide. Sodium metabisulfite has better reducibility than sulfite, and its reduction effect is similar to that of sodium sulfite. Sodium metabisulfite is divided into many categories according to its use, such as food grade sodium metabisulfite and industrial grade sodium metabisulfite. Today, let us introduce the matters needing attention when using food grade sodium metabisulfite?

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A basic overview of industrial grade sodium metabisulfite?

Industrial grade sodium metabisulfite basic overview? I believe that a lot of friends are not clear about it, in order to enhance our understanding, the following small make up on this issue in detail, interested in a look at it! If you are also interested, you may wish to check it out here.

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What are the role of industrial grade sodium metabisulfite?

With the continuous progress of science and technology, all walks of life have also been greatly developed. The development prospect of industrial sodium metabisulfite is also very good, so the demand is increasing, and many manufacturers have been added to the market. As manufacturers, it is also necessary for us to tell you about his small knowledge points here. Interested partners can come and have a look.

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The use of industrial grade sodium metabisulfite?

The application range of industrial grade sodium metabisulfite is very wide, we must know its characteristics before using it, so that we can better apply it. If you are interested in this topic, then take a look at it together, hoping to help some relevant people.

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Application Introduction of Industrial Grade Sodium Metabisulfite

Industrial grade sodium metabisulfite is widely used. Industrial grade sodium metabisulfite is used in the pharmaceutical industry for the purification of chloroform, phenylpropanesulfone and benzaldehyde; industrial grade sodium metabisulfite is used as a coagulant in the rubber industry; industrial grade sodium metabisulfite is used as a dechlorination agent after cotton bleaching in the printing and dyeing industry, cotton scouring aids and printing and dyeing mordant; industrial grade sodium metabisulfite is used in the leather industry.

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Production method of industrial grade sodium metabisulfite formula

This article introduces a process and device for the production of industrial-grade sodium metabisulfite from flue gas desulfurization. The process uses industrial sodium sulfite with a content of more than 85% to absorb flue gas, controls the pH value of the absorption liquid, and generates NaHSO3 when the end pH value reaches 3.9-4.1, and crystallizes to obtain industrial-grade sodium metabisulfite;

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Precautions for the use of industrial grade sodium bisulfite

After high-efficiency clarification and filtration in the production process of industrial-grade sodium bisulfite, the sulfur pump is added to the sulfur incinerator. 1. It is used for the microanalysis and determination of tellurium and niobium and the preparation of developer, and is also used as a reducing agent. 2. After the air is compressed, dried and purified, it is burned with sulfur in the sulfur incinerator to produce SO2 gas (furnace gas).

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Function and use of industrial grade sodium bisulfite

Function and use of industrial grade sodium bisulfite 1. It is used for the determination of trace components of tellurium and niobium and the preparation of developer, as well as other reducing agents; 2. Lignin can be used as a stabilizer for man-made fibers, bleaching agents for fabrics, photographic developers, bleaching and dyeing deoxidizers, dyes and spices as reducing agents, lignin can be used as papermaking agents, etc.

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