Caustic soda, flake soda, liquid soda, soda ash difference
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Caustic soda, flake soda, liquid soda, soda ash difference

Views: 59     Author: Site Editor     Publish Time: 2023-04-07      Origin: Site

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To distinguish the difference between the four, let's first understand what these four products are:

First, caustic soda

Sodium hydroxide, inorganic compounds, chemical formula NaOH, also known as caustic soda, caustic soda, caustic soda, caustic soda. Caustic soda has strong alkaline, strong water absorption and other chemical properties, if directly placed in the air, can absorb the water in the air, delixizing into liquid sodium hydroxide, that is, liquid alkali. In solid state, caustic soda can be divided into tablets, solid caustic soda and granular caustic soda.

Two, Flake caustic soda

Sodium hydroxide , an inorganic compound, the chemical formula NaOH, is the state of caustic soda when it is solid, so it is called tablet alkali.

Third, liquid caustic soda

Sodium hydroxide , an inorganic compound, the chemical formula NaOH, is the state of caustic soda when it is liquid, so it is called liquid alkali.

Four, soda ash

Sodium Carbonate (Sodium Carbonate), is a kind of inorganic compound, chemical formula Na2CO3, molecular weight 105.99, also known as soda ash, but classified as salt, not alkali. Also known as soda or alkali ash, it is an important inorganic chemical raw material. Soluble in water is alkaline, sodium carbonate containing ten crystalline water is colorless crystal, its crystal is unstable, easy to weather in the air, forming white powdered sodium carbonate.

From the above four simple concepts we can learn:

In fact, the composition of caustic soda, tablet alkali and liquid alkali are the same, but it is a different presentation of a substance in different states. Soda ash is completely different from the above three chemicals, although they all have the word alkali, but the composition is very different.

So the ingredients are very different, the uses are completely different, let's take a look at these chemicals in our daily life in the end what are the uses?

Flakes caustic soda

Mainly used in textile printing and dyeing clothing, dye chemical industry, paint ink, surface treatment, water quality analysis, environmental protection, food cleaning, toy safety, electronic appliances, printed paper packaging, scientific research institutions and other fields.

Chemical industry, desulphurization, production of detergents, soaps, paper making, oil cleaning agents, man-made fibers and textiles, refining petroleum, food industry, water treatment, metallurgy, disinfection, soil improvement, soapmaking, metallurgical industry, production of aluminum hydroxide, manufacture of ceramics.

Liquid caustic soda

Due to the different production processes of existing chlor-alkali plants, the concentration of liquid alkali is usually 30-32% or 40-42%. Liquid alkali is an important basic raw material of chemical industry, which is widely used.

Chemical industry for the manufacture of formic acid, oxalic acid, borax, phenol, sodium cyanide and soap, synthetic fatty acids, synthetic detergent and so on.

Textile printing and dyeing industry used as cotton desizing agent, boiling agent, mercerizing agent and reduction dye, Haichang blue dye solvent.

Manufacturing aluminum hydroxide, aluminum oxide and metal surface treatment agent for smelting industry.

The instrument is used in industry as acid neutralizer, decolorizing agent and deodorizing agent. Adhesive industry used as starch gelatinizer, neutralizer.

In addition, it is widely used in enamel, medicine, cosmetics, leather, paint, pesticide, glass and other industries.

Soda ash

Sodium carbonate is one of the important chemical raw materials, widely used in light industrial daily chemical, building materials, chemical industry, food industry, metallurgy, textile, petroleum, national defense, medicine and other fields, as raw materials for the manufacture of other chemicals, cleaning agents, detergents, and also used in photography and analysis fields. It is followed by metallurgy, textiles, petroleum, national defense, medicine and other industries. The glass industry is the largest consumer of soda ash, consuming 0.2 tons of soda ash per ton of glass. In the industrial soda ash, mainly light industry, building materials, chemical industry, accounting for about 2/3, followed by metallurgy, textile, petroleum, national defense, medicine and other industries.

1, the glass industry is the source of soda ash consumption, soda ash consumption per ton of glass 0.2t. Mainly used for float glass, picture tube glass, optical glass and so on.

2, used in chemical industry, metallurgy, etc. The use of heavy soda ash can reduce the flying of alkali dust, reduce raw material consumption, improve working conditions, but also improve product quality, while reducing the erosion of alkali powder on refractory materials, extend the service life of the kiln.

3, as buffer, neutralizer and dough improver, can be used in pastry and noodle food, according to the production needs of appropriate use.

4, as a detergent for wool rinsing, bath salts and medicine, tanning alkali agent in leather.

5, used in the food industry, as a neutralizer, leavening agent, such as the manufacture of amino acids, soy sauce and pasta food such as steamed bread, bread, etc. It can also be mixed into alkali water and added to pasta to increase elasticity and ductility. Sodium carbonate can also be used to produce MSG

6, color TV special reagent

7, used in pharmaceutical industry, as an acid antidote, osmotic laxative.

8, used for chemical and electrochemical oil removal, chemical copper plating, corrosion of aluminum, electrolytic polishing of aluminum and alloy, chemical oxidation of aluminum, sealing after phosphating, rust prevention between processes, electrolytic removal of chromium coating and removal of chromium oxide film, etc., also used in pre-plating copper, steel plating, steel alloy plating electrolyte

9, metallurgical industry used as smelting flux, flotation agent for beneficiation, steelmaking and antimony smelting used as desulfurizer.

10, printing and dyeing industry used as water softening agent.

11, the leather industry is used for degreasing raw skin, neutralizing chromium tanning leather and improving the alkalinity of chromium tanning liquid.

12. The standard of acid calibration in quantitative analysis. Determination of aluminum, sulfur, copper, lead and zinc. Urine and blood glucose were tested. Analysis of cosolvent of silica in cement. Metallographic analysis of metals, etc

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