Definition

Noun: A very strong, highly corrosive, and dangerously reactive inorganic acid. It is a powerful oxidizing agent and forms salts called perchlorates. It is a clear, colorless liquid.

Usage and Examples

Noun: - Perchloric acid must be handled with extreme care in a fume hood due to its corrosive and oxidizing properties. - The laboratory uses perchloric acid for specific etching and analytical procedures. - A common reaction of perchloric acid is the formation of potassium perchlorate.

Advanced Usage

• "Perchloric acid digestion": A laboratory technique used in analytical chemistry to completely dissolve certain samples, particularly for metal analysis, using the acid's strong oxidizing power.
  • The soil sample underwent perchloric acid digestion before analysis.

Variants and Related Words

• Perchlorate (noun): A salt or ester of perchloric acid.
  • Ammonium perchlorate is used as a rocket propellant.
• Perchloric (adjective): Relating to or derived from perchloric acid.
  • The perchloric compound was unstable.

Synonyms

• HClO₄ (Chemical formula)
• Hyperchloric acid (an older, now largely obsolete name)

Important Safety Note

Perchloric acid is a severe hazard. It is strongly corrosive, a potent oxidizer, and can form explosive mixtures with organic materials. Its fumes are also hazardous. It is not a word encountered in everyday language but is specific to industrial and advanced laboratory contexts.

Noun

1. a powerful oxidizing agent; forms perchlorates