sulphonic acid
Britishnoun
Example Sentences
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In organic chemistry distinction is made between sulphonic acids of the aliphatic and the aromatic series, the characteristic group of these acids being the so-called sulphonic acid group, HSO_3.
From Synthetic Tannins by Grasser, Georg
The sulphonic acid, when mixed with about one-third of its weight of water and heated to about 120° C., is easily condensed with formaldehyde.
From Synthetic Tannins by Grasser, Georg
Alizarin S is a sulphonic acid derivative of alizarin, and since it is much more soluble, it readily yields level colours.
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various
An important nucleus-synthetic reaction is the saponification of nitriles, which may be obtained by the interaction of potassium cyanide with a halogen substitution derivative or a sulphonic acid.
From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg
Hence, if crude Neradol is treated with increasing amounts of caustic soda, a series of products containing increasing quantities of salt and decreasing concentrations of sulphonic acid is obtained.
From Synthetic Tannins by Grasser, Georg
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