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Diaphragm liquid alkali (32%)

Diaphragm liquid alkali (32%)

Liquid alkali refers to sodium hydroxide in liquid form, also known as caustic soda or caustic soda. Due to different production processes, the concentration of liquid alkali in existing chlor alkali plants is usually 30-32% or 40-42%. Pure product is a colorless and transparent liquid. Relative density is 1.328-1.349, melting point is 318.4 ℃, boiling point is 1390 ℃. Pure liquid caustic soda is called liquid caustic soda, which is a colorless and transparent liquid. Industrial products often contain impurities, mainly sodium chloride and sodium carbonate, and sometimes a small amount of iron oxide. After dissolving into concentrated alkali, most impurities will float to the liquid surface and can be separated and removed.

Soda ash

Soda ash

Soda ash, scientific name sodium carbonate, commonly known as soda ash, rock alkali, and detergent alkali, belongs to the category of salts. Sodium carbonate, which contains ten crystal waters, is a colorless crystal. The crystal water is unstable and easily weathered, turning into a white powder Na2CO3. It is a strong electrolyte with salt like properties and thermal stability, easily soluble in water, and its aqueous solution is alkaline.

sodium bicarbonate

sodium bicarbonate

Commonly known as "baking soda", "baking soda powder", "heavy soda", it is a small white crystal with a lower solubility in water than sodium carbonate. The solid gradually decomposes above 50 ℃ to produce sodium carbonate, carbon dioxide, and water, and completely decomposes at 270 ℃.

Sodium sulfite/anhydrous sodium sulfite

Sodium sulfite/anhydrous sodium sulfite

Sodium sulfite, chemical formula Na2SO3, common sulfite, white, monoclinic crystal or powder. It has a stimulating effect on the eyes, skin, and mucous membranes, and can contaminate water sources. Toxic sulfide smoke is produced by high thermal decomposition. In industry, it is mainly used to produce cellulose sulfite, sodium thiosulfate, organic chemicals, bleached fabrics, etc. It is also used as a reducing agent, preservative, dechlorination agent, etc.

Sodium nitrite

Sodium nitrite

Commonly known as nitrite, it is an inorganic salt formed by the ionization and formation of nitrite ions with sodium. Sodium nitrite is easily deliquescent and soluble in water and liquid ammonia. Its aqueous solution is alkaline with a pH of about 9 and is slightly soluble in organic solvents such as ethanol, methanol, and ether.

Sodium chloride

Sodium chloride

Colorless cubic crystals or white crystals are the main components of table salt. Easy to dissolve in water and glycerol, slightly soluble in ethanol and liquid ammonia, insoluble in hydrochloric acid, and slightly deliquescent in air. Mainly used in the production of industrial raw materials such as chlorine gas, hydrogen gas, bleach powder, and sodium metal, as well as for supplying salt precipitation soap, tanning leather, food seasoning, and pickled fish, meat, and vegetables. If consumed excessively, it can easily lead to hypertension.

Anhydrous calcium chloride

Anhydrous calcium chloride

Highly hygroscopic, it is a widely used desiccant, mainly used as a desiccant for gases, petroleum, organic solvents (such as alcohols, ethers, etc.), and as a preservative for items. It is a widely used chemical reagent, pharmaceutical raw material, food additive, feed additive, and raw material for manufacturing metallic calcium.

Sodium thiosulfate

Sodium thiosulfate

Sodium thiosulfate, also known as baking soda or seaweed. It is a white crystalline powder of monoclinic crystal system, easily soluble in water and insoluble in alcohol. Used for analyzing reagents, etc., with a wide range of applications. Chemical formula: Na2S2O3, specific gravity 1.667, is oxidized and decomposed into sodium sulfate and sulfur dioxide when heated in air. Specific gravity 1.667, easily decomposed upon heating, into sodium sulfate and sulfur or sodium sulfate and sodium polysulfide, while being oxidized by oxygen. Sodium thiosulfate decomposes with acid, releasing sulfur dioxide gas and producing sulfur precipitation. Heating in air oxidizes and decomposes into sodium sulfate

Insurance powder

Insurance powder

Sodium hydrosulfite, also known as sodium hydrosulfite, is a white sandy crystalline or pale yellow powder chemical product with a melting point of 300 ℃ (decomposition) and an ignition temperature of 250 ℃. It is insoluble in ethanol and soluble in sodium hydroxide solution. It reacts strongly with water and burns.

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