determining sulphur given in the B.P. gave low results and tecourse was made to a wet oxidation using bromine in nitric acid. This accords with the U.S. National Formulary and it is suggested that such a method should be introduced into the B.P. owing to the presence of volatile oils in ichthammol.
The action of ketene on hydroxybenzoic acids and their esters
โ Scribed by J. van Alphen
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 145 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0165-0513
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๐ SIMILAR VOLUMES
Freep-hydroxybenzoic acid and its metabolic products in which the phenolic roup has not been destroyed have been determined in tissues and biological fluids of $rugs, tablets, and man following the ingestion of the acid and its esters. Recoveries from the urine of animals, regardless of the method o
## Abstract The preparation is described of the methyl 4โ__n__โamoxyโ, methyl 4โ__n__โbutoxyโ, ethyl 4โ__n__โpropoxyโ, __n__โpropyl 4โcthoxyโ and __n__โbutyl 4โmethoxyโbenzoates, and their hydrolysis productsโthe 4โ__n__โalkoxybenzoic acids.