Public Domain Encyclopedia Database

Search the scanned history of knowledge.

Compare encyclopedia entries across editions, inspect page scans, and trace every article back to its source volume.

Limit to sources
5source families
1366article records
1356imported with text

Search results

2 results for “Anthraquinone”

Results are grouped by encyclopedia. Grouped by encyclopedia. Each record links to article text, topic comparison, and available source evidence.

Source family

Britannica 11th

Encyclopaedia Britannica · 11th edition

2 matches

Anthraquinone

Britannica 11th

ANTHRAQUINONE, CuHsOi, an important derivative of anthracene, first prepared in 1834 by A. Laurent. It is prepared commercially from anthracene by stirring a sludge of anthracene and water in horizontal cylinders with a mixture of sodium bichromate and caustic ...

Vol. 2, pp. 106-106 OCR text aligned to scanned pages Relevance 330.0

Anthracene

Britannica 11th

... ble the phenols, whilst /C(OH) «H4< I (?) (anthranol) is a reduction product of anthraquinone. /3-anthrol and anthranol give the corresponding amino compounds (anthramines) when heated with ammonia. Numerous sulphonic acids of anthracene are known, a monosulph ...

Vol. 2, pp. 105-105 OCR text aligned to scanned pages Relevance 12.0