And a solution of sulphurous acid, made by diluting 10 c.
The separation is effected by distilling the substance with solution of ferric sulphate, and collecting the vapour in a dilute solution of sulphurous acid or arsenite of soda.
The colour, however, is not removed by boiling or by sulphurous acid.
This name is given to pulp prepared by digesting wood with solutions containing sulphurous acid, or salts of sulphurous acid.
Wood may be treated in two ways, one of which is the ordinary soda process, and the other an acid treatment requiring the use of sulphurous acid.
The limestone is simultaneously dissolved, and the liquid which flows out from the pipes at the bottom of the tower consists of lime dissolved in sulphurous acid, together with a certain proportion of free sulphurous acid.
In order to ensure complete absorption the gas passes through the tanks in series, so that the spent gases leaving the vats do not contain any appreciable amount of sulphurous acid.
When a sulphite is treated with an acid, sulphurous acid is set free, and being very unstable, decomposes into water and sulphur dioxide.
When neutralized by bases, sulphurous acid yields a series of salts called sulphites.
When concentrated sulphuric acid is heated with certain metals, such as copper, part of the acid is changed into copper sulphate, and part is reduced to sulphurous acid.
He went to the bottom of the crater, and observed a slight evolution of sulphurous acid vapors, but the "hornitos" had entirely ceased to send forth steam.
It is doubtful whether the bleaching power of sulphurous acid is due to it as an oxidising or a deoxidising agent; but the last is probably the case, with a like destruction of the compound constituting the colouring matter.
Some concentrated decoctions have been recently offered for sale which do not contain alcohol, being preserved by the addition of sulphurous acid, or sulphite of lime.
When sulphur burns, as in a match, it gives off disagreeable fumes, and if these are made to bubble into a vessel containing water, they dissolve and form with the water a substance known as sulphurous acid.
The harmless nature of sulphurous acid makes it very desirable as a bleaching agent, especially in the home.
For the preservation of meat and beer, lime juice and dried fruit, sulphur dioxide (sulphurous acid) and some of the sulphites have long been employed.
Aldehydes are characterized by the reddish-violet colour which they give with a solution of fuchsine that has been decolorized by sulphurous acid (H.
As the taste and smell of sulphurous acid and of sulphites are very pronounced it follows that but small quantities can be added to food or drink.
Native sulphur is recognized, when heated upon charcoal, by its odor (sulphurous acid) and the blue color of its flame.
Gives off water, and, when heated to incipient redness, sulphurous acid.
Manganous acid, a hypothetical compound analogous to sulphurous acid, and forming the so-called manganites.
An acid, H2SO2, obtained by the reduction of sulphurous acid.
Defn: Pertaining to, or designating, an acid obtained by the reduction of sulphurous acid.
The combustion of sulphide of carbon furnishes an abundance of sulphurous acid, but has hitherto been attended with danger.
These siphons contain about one and a half pounds of sulphurous acid.
The following description has been furnished by the firm: The figure shows one of the siphons connected with a very convenient form of apparatus for preparing a solution of sulphurous acid in water, or of sulphites, as may be required.
Stratford, London, England, have devised a convenient apparatus for charging water with sulphurous acid which is useful in the making of photographic developers.
Sulphurous acid (sulphur dioxide) has no effect on the actual fibre, but exercises a bleaching action on the yellow colouring matter which the wool contains, it is therefore largely used for bleaching (p.
Into this bath the goods are entered and are then exposed to the air as before, after which they may be passed through a weak bath of sulphurous acid, being next well washed in water and dried.
When all is ready the chamber doors are closed, and the furnaces are heated, some sulphur thrown upon them, which burning evolves sulphur dioxide gas, sulphurous acid, and this acting upon the wool bleaches it.
Hydrochloric acid transforms the oxides into chlorides, which, in their turn, change into sulphurets or sulphates on the appearance of sulphurous acid.
Sulphuretted hydrogen, by reaction of sulphurous acid, is decomposed, and sulphur sublimed, having a particular aspect, collects on the scoriae.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "sulphurous acid" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
