The solution of the gas in water is used under the name of sulphurous acid.
There are various haloid derivatives of sulphurous acid.
It is decomposed by water into hydrofluoric and sulphurous acids.
Tin dissolves readily in strong hot hydrochloric acid as SnC12; aqueous sulphuric acid does not act on it appreciably in the cold; at 150° it attacks it more or less quickly, according to the strength of the acid, with evolution of sulphuretted hydrogen or, when the acid is stronger, of sulphurous acid gas and deposition of sulphur (Calvert and Johnson).
Other yeasts are stated to form sulphurous acid in must and wort.
Below Mosul, for some distance, occur sulphurous and bituminous springs.
The immense volumes of sulphurous acid evolved give rise to many complaints; all the minor pits suspend work during the summer to avoid destruction of the crops.
Water decomposes it violently with formation of hydrochloric and sulphurous acids.
Sulphurous acid may have either of the constitutions
Water decomposes it into hydrochloric and sulphurous acids.
It is readily decomposed by water with formation of sulphurous, sulphuric and thiosulphuric acids, with simultaneous liberation of sulphur.
The fouling of the air that results from the steam-engine, owing to the production of carbonic acid gas and of sulphurous fumes and aqueous vapour, is well known, and its use is now practically abandoned for underground working.
Numerous mineral springs (chalybeate and sulphurous) exist both north and south of the Caucasus ranges, e.g.
Water, often saline or sulphurous, is also found in these porous rocks and replaces the oil as the latter is withdrawn.
And of iodine and sulphurous acid to the estimation of copper and many other substances by Robert Wilhelm Bunsen, marks an epoch in the early history of volumetric analysis.
With iodine compounds, iodic acid is likely to be formed, and hence the solution must be reduced with sulphurous acid before precipitation with silver nitrate.
There are hot sulphurous springs in the town, which has also a fine climate; and many of the wealthy families from Malaga reside here in summer.
In one of the caves on the south coast the heat is still great, and on the eastern shore of the harbour there are hot sulphurous springs.
Sulphurous acid reduces it to the corresponding dihydroxy compound.
Aldehydes are characterized by the reddish-violet colour which they give with a solution of fuchsine that has been decolorized by sulphurous acid (H.
Of the many interesting caverns in Transylvania the most remarkable are the sulphurous Biidos in the county of Haromszek, the Almas to the south of Udvarhely and the brook-traversed rocky caverns of Csetate-Boli, Pestere and Ponor in the southern mountains of Hunyad county.
In opposition to stannous chloride, even sulphurous acid (solution) behaves as an oxidizing agent.
Amongst its numerous mineral springs, the most important are those of Mehadia, with sulphurous waters, which were already known in the Roman period as the Thermae Herculis.
It is then treated with sulphurous acid gas, for the purpose of decolorization, again limed to neutralize the acid, and then passed through a third saturator wherein all traces of lime and sulphur are removed.
The use of sulphurous acid gas is entirely abandoned, and instead of three carbonatations with corresponding labour and plant only one is required.
When sulphuric or sulphurous acid is to be collected, it is important to keep the fuel gas from admixture with the sulphur gases, and kilns for this purpose require some modification.
- Kanagawa Pure, Salt or Sulphurous 98f 68
Sulphurous, phosphoric, carbonic, &c., should be regarded as elementary substances.
It behaves more as a ketone than as a quinone, since with hydroxylamine it yields an oxime, and on reduction with zinc dust and caustic soda it yields a secondary alcohol, whilst it cannot be reduced by means of sulphurous acid.
At San Juan de Carballo, on the opposite bank of the Allones, there are hot sulphurous springs.
Prairie fires or spontaneous combustion have ignited many coal seams. Some have already burnt out; others still emit smoke and sulphurous fumes from the crevices in the hillsides, and through the fissures may be seen the glowing coal and rock.
Acids, other than carbonic, may promote rusting; this is particularly the case with ironwork exposed to the acids - sulphurous, nitric, &c. - contained in smoke.
The hot springs, among which those of Bagneres de Luchon and Eaux-Chaudes may be mentioned, are sulphurous and mostly situated high, near the contact of the granite with the stratified rocks.
Several of these are sulphurous and medicinal, and have been found efficacious in skin diseases and in internal complaints.
E., called Vranyska Banya, with baths of hot sulphurous mineral water.
It is formed by the reduction of triquinoyl by aqueous sulphurous acid, or in the form of its potassium salt by washing potassium hexa-oxybenzene with alcohol (R.
There is a sulphurous spa in the district of Lockwood.
Of the town is the village of Hajo, which contains the PiispOk Fiirdo or Bishop's Baths, with warm saline and sulphurous waters (92° to 103° F.), used both for drinking and bathing in cases of anaemia and scrofula.
When finely divided it decomposes water giving hydrogen phosphide; it also reduces sulphurous and sulphuric' acids, and when boiled with water gives phosphine and hypophosphorous acid; when slowly oxidized under water it yields, hypophosphoric acid.
(German Patent, 26642.) The diluents in which bromine is employed are usually ether, chloroform, acetic acid, hydrochloric acid, carbon bisulphide and water, and, less commonly, alcohol, potassium bromide and hydrobromic acid; the excess of bromine being removed by heating, by sulphurous acid or by shaking with mercury.
Of the town there is a sulphurous spring discovered in 1822.
The springs are sulphurous, saline and chalybeate.