fuming sulphuric acid

noun

1. a mixture of pyrosulphuric acid, H 2 S 2 O 7 , and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid Also calledoleumNordhausen acidˈnɔːdhaʊzən

Example Sentences

An excess of the trioxide may dissolve in the strong sulphuric acid, forming what is known as fuming sulphuric acid.

From Project Gutenberg

This much is known, that the color and odor are removed by fuming sulphuric acid.

From Project Gutenberg

Schrter has made similar investigations on the action of strongly fuming sulphuric acid on acetylene.

From Project Gutenberg