How to use Hofmann in a sentence
In theology, as in ecclesiastical polity, Hofmann was a Lutheran of an extreme type, although the strongly marked individuality of some of his opinions laid him open to repeated accusations of heterodoxy.
Mitscherlich prepared it in 1834 by distilling benzoic acid with lime; and in 1845 Hofmann discovered it in coal-tar.
Tetramethylammonium iodide, N(CH 3) 4 I, is the chief product obtained by the action of methyl iodide on ammonia (Hofmann).
Hofmann), an alcoholic solution of stannous chloride (containing hydrochloric acid) (R.
This method was developed by Hofmann in 1868, who replaced the short tube of Gay-Lussac by an ordinary barometer tube, thus effecting the volatilization in a Torricellian vacuum.Advertisement
The first of these is the recapitulation theory which Tyconius originated and Augustine adopted, and which has been revived in later times by Hofmann, Hengstenberg and others.
When, in 1845, a school of practical chemistry was started in London, under the style of the Royal College of Chemistry, Hofmann, largely through the influence of the Prince Consort, was appointed its first director.
In leaving England, of which he used to speak as his adopted country, Hofmann was probably influenced by a combination of causes.
The college to which Hofmann devoted nearly twenty of the best years of his life was starved; the coaltar industry, which was really brought into existence by his work and that of his pupils under his direction at that college, and which with a little intelligent forethought might have been retained in England, was allowed to slip into the hands of Germany, where it is now worth millions of pounds annually; and Hofmann himself was compelled to return to his native land to find due appreciation as one of the foremost chemists of his time.
That city possesses a permanent memorial to his name in Hofmann House, the home of the German Chemical Society (of which he was the founder), which was formally opened in 1900, appropriately enough with an account of that great triumph of German chemical enterprise, the industrial manufacture of synthetical indigo.Advertisement
Hofmann's work covered a wide range of organic chemistry, though with inorganic bodies he did but little.
Hofmann, in whose own research laboratory he was in the course of a year or two promoted to be an assistant.
Devoting his evenings to private investigations in a rough laboratory fitted up at his home, Perkin was fired by some remarks of Hofmann's to undertake the artificial production of quinine.
Hofmann having previously shown that oxidation of pure aniline alone or of pure toluidine yielded no fuchsine, whilst oxidation of a mixture of aniline and para-toluidine gave rise to the fine red dyestuff para-fuchsine (pararosaniline hydrochloride) CH 3 C 6 H 4 NH 2 +2C 6 H 5 NH 2 +30 = HOC(C 6 H 4 NH 2) 3 +2H20.
A memoir by Hofmann appeared in the Ber.Advertisement
Hofmann had shown that conine on distillation with zinc dust gave a-propyl pyridine (conyrine).
By way of Livonia, Hofmann arrived at Dorpat in November 1524, but was driven thence in the following January.
At a colloquy of preachers in Flensburg (8th April 1529) Hofmann, John Campanus and others were put on their defence.
Hofmann maintained (against the "magic" of the Lutherans) that the function of the Eucharist, like that of preaching, is an appeal for spiritual union with Christ.
Hofmann and Claus Frey, an anabaptist, were detained in prison, a measure due to the terror excited by the Minster episode of 1533-1534.Advertisement
Hofmann and Muspratt, and they adopted the name toluol (anglicized to toluene), which was proposed by Berzelius.
Apart from engine set-up, Hofmann also tested a revised rear swinging arm and chassis geometry.
Hofmann (see Pyridine).
Pur Hair is the creation of expert stylist Reinhold Hofmann.
Hofmann spent years working with a wide range of hair coloring products and techniques, and while each line had certain benefits, no single line had the complete flexibility and range of options to fully satisfy all his clients.Advertisement
To change that, Hofmann spent years developing his own line of hair coloring products, and in 2005 the Pur system was introduced.