fuming sulphuric acid

British  

noun

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

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Example Sentences

See Examples For:

fuming sulphuric acid

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

From An Elementary Study of Chemistry by William McPherson

Benzene, for instance, is easily converted into the m-disulphonic acid by gently heating with fuming sulphuric acid; stronger heating converts the m- into the p-disulphonic acid, and at 190° C. the trisulphonic acid is formed.

From Synthetic Tannins by Georg Grasser

Of the three isomeric xylenes o- and m-xylene dissolve in concentrated, p-xylene in fuming sulphuric acid only.

From Synthetic Tannins by Georg Grasser

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

From Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power by F. H. (Frank Henley) Leeds

Synthesis of alizarin by Graebe and Liebermann, leading to the utilization of anthracene, caustic soda, potassium chlorate and bichromate, and calling into existence the manufacture of fuming sulphuric acid.

From Coal and What We Get from It by Raphael Meldola

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