sulphate

/'sʌlfeit/

Thân thiện

A student adds sulphate crystals to a beaker of water in the lab.

Definition

1. Noun:
   • A salt or ester of sulphuric acid: A chemical compound containing the sulfate anion (SO₄²⁻) or the group -OSO₂O-.
   • A substance containing this chemical group: Often refers to specific compounds used in industry, medicine, or found in nature.

Usage and Examples

• Noun:
  • Copper sulphate is a common fungicide.
  • The laboratory analysis detected high levels of sulphate in the water sample.
  • Magnesium sulphate, also known as Epsom salt, has various uses.

Advanced Usage

• "Sulphate attack": A chemical reaction in concrete where sulfates cause deterioration.
  • The bridge's foundation was weakened by sulphate attack from the groundwater.
• "Sulphate-free": Describing products, especially shampoos, formulated without sulfates like sodium lauryl sulphate.
  • She switched to a sulphate-free shampoo for her sensitive scalp.

Variants and Related Words

• Sulfate: The standard American English spelling. The word "sulphate" is the chiefly British spelling.
  • The mineral is composed of calcium sulfate.
• Sulphation (n): The process of forming or converting into a sulphate.
  • The sulphation of the battery lead plates reduced its capacity.
• Sulphuric acid (n): The acid (H₂SO₄) from which sulphates are derived.

Synonyms

• Sulfate: The direct synonym, differing only in spelling convention.

Related Phrases and Compounds

• Ammonium sulphate: A common inorganic salt used as a fertilizer.
• Barium sulphate: A compound used as a radiocontrast agent in medical imaging.
• Sodium lauryl sulphate (SLS): A surfactant and detergent found in many cleaning and personal care products.

Học thuật

Noun

1. a salt or ester of sulphuric acid

Từ đồng nghĩa

• sulfate