sodium sulphate
Definition
Noun: 1. A chemical compound: Sodium sulphate is an inorganic salt with the chemical formula Na₂SO₄. It is a white, crystalline solid that is often found in its decahydrate form (Glauber's salt). 2. An industrial chemical: It is characterized by a bitter taste and is utilized as a raw material or processing agent in various manufacturing industries.
Usage Examples
- General Statement:
- Sodium sulphate is a common laboratory reagent.
- In an Industrial Context:
- The factory uses large quantities of sodium sulphate in its paper production process.
- Sodium sulphate is a key ingredient in the manufacture of detergents and glass.
Advanced Usage
- "Anhydrous sodium sulphate": Refers specifically to the dry, water-free form (Na₂SO₄), commonly used as a drying agent in organic chemistry laboratories to remove traces of water from solvents.
- The solution was dried over anhydrous sodium sulphate before analysis.
- Technical/Industrial Specification:
- The purity of the sodium sulphate must exceed 99% for this pharmaceutical application.
Variants and Related Words
- Sodium sulfate: The standard American English spelling. (Note: 'sulphate' is the British English spelling).
- Disodium sulphate: An alternative systematic name.
- Glauber's salt: The historical name for the decahydrate form of sodium sulphate (Na₂SO₄·10H₂O), named after Johann Rudolf Glauber.
- Thenardite: The mineral name for the anhydrous, naturally occurring form of sodium sulphate.
Synonyms
- Na₂SO₄: The chemical formula, used as a precise synonym in scientific contexts.
- Disodium sulfate: A systematic name.
Related Phrases
- "Solution of sodium sulphate": A phrase describing the compound dissolved in water.
- The fabric was soaked in a solution of sodium sulphate as a mordant.
- "Production of sodium sulphate": Refers to the industrial manufacturing process.
- The plant is a major site for the production of sodium sulphate.
Noun
-
a solid white bitter salt used in manufacturing glass and paper and dyes and pharmaceuticals
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