Sodium carbonate Light (Soda Ash)

Hscode: 283620 Chemical formula: Na2-C-O3 CAS Nu: 497-19-8 UN Nu: NA Hazard Class: NA Synonyms: Crystal Carbonate, Disodium Carbonate, Sal Soda, Soda Asha, Washing Soda

Light soda ash, also known as sodium carbonate (Na2CO3), is a white, crystalline powder that is widely used in various industries. It is an important chemical compound with a wide range of applications, including in manufacturing, water treatment, cleaning products, and more. Here are some key points about light soda ash:

  1. Chemical Composition: Light soda ash has the chemical formula Na2CO3, which indicates that it consists of two sodium (Na) atoms, one carbon (C) atom, and three oxygen (O) atoms.
  2. Production: Light soda ash is primarily produced through the Solvay process, which involves the reaction of sodium chloride (common salt) with ammonia and carbon dioxide. This process yields light soda ash as a solid products.
  3. Physical Properties: Light soda ash is a fine, white powder with a density of around 2.5 grams per cubic centimeter. It is odorless and has a pH value of around 11, making it alkaline.

  • Manufacturing: Light soda ash is a crucial ingredient in the production of glass, detergents, soaps, and other chemicals. It is used to provide alkalinity, control pH levels, and facilitate various chemical reactions.

  • Water Treatment: It is commonly used in water treatment processes to adjust the pH of water and neutralize acidic conditions. It can help to remove impurities and improve water quality.

  • pH Regulation: Light soda ash is utilized to regulate the pH of various substances, such as swimming pools, soil, and swimming pool chemicals.

  • Mining: It is used in the mining industry to extract valuable minerals from ore, as it can aid in the separation of minerals during flotation processes.

  • Metallurgy: Light soda ash is employed in metallurgical applications, such as metal refining and smelting, where it can help remove impurities and adjust pH levels.

  • Safety Considerations: Light soda ash is generally considered safe to handle and use. However, it is advisable to follow appropriate safety precautions, such as wearing protective gloves and goggles, to avoid eye or skin irritation. Ingestion or inhalation of large amounts can be harmful, so it is important to handle it responsibly.

Chemical composition Unit Min Max
Sodium carbonate (Na2CO3) % Wt. 98.9 99.2
Sodium chloride (Nacl) % Wt. 0.3 0.5
Sodium bicarbonate (NaHCO3) % Wt. 0.1 0.5
Sodium sulfate (Na2So4) % Wt. 0.05
Iron (Fe) ppm 30 50
Loss on Heat % Wt. 0.2
MOISTURE % Wt. 0.2
Ni ppm 30
Cr ppm 10
Mn ppm 10
Cu ppm 65
Chemical composition UNIT MIN MAX
Total Alkalinity (Na2O) %Wt 57.85 58.42
Pouring density g/cm³ 0.45 0.60
Remarks: This report is according to the average of analyzed samples.

Acceptable limits are according to the ISIRI 614_1.


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