Fluorescent substances, such as bisulphate of quinine, can also be employed.
Take a colorless solution of bisulphate of quinine, and write or draw with it on a piece of white paper.
It is quite evident that to obtain a perfect result, the excess of acid in the bisulphate of potassa must be completely driven off by the red heat applied.
In the dry way, it dissolves by heat in bisulphate of potassa; and disengages sulphurous acid gas in the act of solution.
When two primes of the electro-negative member combine with one prime of the electro-positive, a supersalt is formed, as bichloride of tin, or bisulphate of potassa.
Fused with potassium bisulphate in an ignition tube the violet vapors of iodine are evolved, and thus iodides may be distinguished from chlorides and bromides.
To discriminate between bromides and chlorides more clearly, the substance is mixed with anhydrous potassium bisulphate and fused in an ignition tube.
By distilling anhydrous bisulphate of soda, which has previously been raised to a low red heat in an earthen retort, to which a receiver is fitted without the aid of corks.
This occupies about 3 hours, and in 2 or 3 hours more the sulphate of lime has collected at the bottom, while the fatty acids are floating on the surface of the solution of the bisulphate of lime.
This gives sodium bisulphateand chloride as by-products, no sulphur, no fumes.
Some persons add a little nitre to the melted fat, and, afterwards, a little dilute nitric or sulphuric acid, or a solution of bisulphate of potash.
If these are left for several days in the mother-liquor they are redissolved, and crystals of the ordinary hydrated bisulphate are deposited.
An article is sold, under the name of 'British cream of tartar,' which contains 1/4 its weight or more of bisulphate of potassa.
If the acid be in too minute a quantity to be thus distinguished, a portion of the substance may be intimately mixed with some bisulphate of potash, and treated as above.
We use fluorspar mixed with bisulphate of potassa as a test for lithia and boracic acid in complicated compounds.
The bisulphateof potash is also used for the purpose of converting a substance into sulphate, or to free it at once from certain constituents.
The following reaction is a certain one: the substance is pulverized and mixed with a flux of four and a half parts of bisulphate of potassa, and one part of pulverized fluoride of calcium.
When the metallic iodides are fused in a glass tube, closed at one end, with the bisulphate of potassa, the vapor of iodine is liberated, and may be recognized by its characteristic color.
Scapolite | Occasionally contains a small quantity of lithia, and | colors the flame red when fused with fluorspar and | bisulphate of potassa.
This reaction is | especially distinct, if the mineral be previously mixed | with fluorspar andbisulphate of potassa.
In this operation, the sulphuric acid should be added only in sufficient quantity to drive off the nitric acid, or, at the utmost, to form a bisulphate with the excess of potassa.
Alumina melts with bisulphate of potash into a mass soluble in water.
With bisulphate of potassa in the glass-bulb evolves nitrous fumes.
Such an admixture can be detected if it be mixed with bisulphateof potassa, and exposed upon platinum wire to the interior or blue flame.
If the substance be placed in a flask or glass tube, and fused with bisulphate of potassa, over the spirit-lamp, sulphurous gas and bromine will be eliminated.
When the last is present it is determined by fusing with bisulphate of potash and extracting with cold water.
It is then fused with bisulphate of potash, and the "melt" extracted with cold water until all soluble matter is removed.
They may be dissolved in hydrofluoric acid either at once or after fusion with bisulphate of potash, and extraction with cold water.
To make this, dissolve 1 gram of titanium oxide by fusing for some time with an excess of bisulphate of potash and dissolve out with cold water and sulphuric acid.
It is estimated in zircons in the following way:--The powdered substance is fused with bisulphate of potash, and extracted with dilute sulphuric acid.
Fusion with bisulphate of potash gives a residue, which does not dissolve in water, but is soluble in ammonic carbonate.
Turner's test" is a mixture of 5 parts of bisulphate of potash and 1 part of fluor spar.
The bisulphate should have been first fused, apart, until the effervescence from the escape of steam has stopped.
It is best separated from this precipitate by fusion with bisulphate of potash, as already described, but it must be remembered that the presence of much mineral acid prevents complete precipitation when the solution is boiled.
The method most commonly used is fusion with bisulphateof potash.
The weighed oxides are next fused with bisulphate of potash for some hours.
The precipitate is dried and fused with bisulphate of potash.
To prevent rapid dyeing, acetic acid or sodium bisulphate should always be added in small quantity to the dye-bath, preferably the latter, as it prevents bronzing.
If sodium bisulphate is substituted for sulphuric acid twice as much must be used, and if formic acid three times as much (by weight).
It is usually also best to dye in a bath slightly acid with sulphuric acid, or to add some bisulphate of soda.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "bisulphate" in a variety of sentences. We hope that you will now be able to make sentences using this word.
