A portion of chloride of mercury will be simultaneously formed, to be decomposed in its turn by the sulphate of silver resulting from the mutual action of the acidified pyrites, and the silver or its oxide in the ore.
The bleaching of both depends upon this action of oxygen, and upon the removal of the acidified dye, by means of an alkali.
As soon as the desired color is obtained, the proofs are washed inacidified water and dried.
The developer consists of an almost saturated solution of potassium oxalate acidified by oxalic acid, and for use heated to 80—85 deg.
The proof is then fixed, and, if too intense, can be reduced in water slightly acidified with hydrochloric acid.
As to the proofs in gallate (or tannate) of iron, they can be transformed into Prussian blue in a solution of potassium ferrocyanide (yellow prussiate of potash) slightly acidifiedby sulphuric acid.
After exposure to the sun the image is developed with a solution of silver nitrate acidified with acetic acid.
This was acidifiedwith excess HCl, salted out by NaCl, and crystallized from aniline-alcohol mixture.
The filtered solution was acidified until no further precipitate was formed.
This substance belongs to the group of Acid Colours; hence it is applied to the animal fibres, wool and silk, by boiling in a solution of the colouring matter slightly acidified with sulphuric acid.
The colour is obtained on cotton by first dyeing an iron buff, according to the method just described, and then passing the dyed cotton into an acidified solution of potassium ferrocyanide, when the blue is at once developed.
For the alkali salts in neutral or alkaline solution wool and silk have little or no affinity, but dyeing rapidly occurs if the solution is acidified with sulphuric acid whereby the colour-acid is liberated.
It dyes cotton, wool and silk in a bath acidifiedwith acetic acid or alum, yielding a bright yellow colour which is turned brown by alkalis.
The alcoholic solution is acidified with dilute sulphuric acid, and the coloured liquid examined by the spectroscope in thicker or thinner layers, according to the depth of colour.
If, however, the potass-bismuth iodide process is used, the liquid must be acidified strongly with sulphuric acid, and the precipitate washed with diluted sulphuric acid.
The alcoholic extract of the viscera, acidified and filtered, is evaporated at 65 deg.
On driving off the chloroform, the residue should be again alkalised, dissolved in water, and acidified with hydrochloric acid, and shaken up with chloroform.
The method used by Dragendorff to extract morphine from either urine or blood is to shake the liquid (acidified with a mineral acid) several times with amyl alcohol, which, on removal, separates urea and any bile acids.
These areacidified with sulphuric acid and then treated with 95 per cent.
The liquid is, if necessary, filtered and then acidified with hydrochloric acid and a few drops of ferric chloride added; if the liquid contains ferro-cyanide, there is immediate production of Prussian blue.
The substance, in as finely-divided form as possible, is digested for a few hours in water acidified with sulphuric acid, at a temperature of 40 deg.
The precipitate is collected, dissolved in dilute caustic soda, boiled, filtered to remove copper sulphide, the filtrate acidified by hydrochloric acid, and sulphuretted hydrogen water added.
When blood is to be examined, it is better to dry it, and then powder and extract with water acidified with dilute sulphuric acid.
Filter off the carbonate and wash it with hot water, testing the slightly acidified washings for sulphate and preserving any precipitates which appear in these tests.
Note 5: The washings from the ferric hydroxide are acidified with nitric acid, before testing with silver nitrate, to destroy the ammonia which is a solvent of silver chloride.
Evaporate the acidified filtrates from the calcium precipitates until the salts begin to crystallize, but do !
I have found it better to place the drop of supposed strychnia solution, acidified with a drop of dilute sulphuric acid (10 per cent.
A fourth portion, being properly acidified with hydrochloric acid was distilled, and the distillate subjected to ‘Fleitmann’s’ process.
To a warm solution of molybdate of ammonia acidified with nitric acid, phosphate of soda is added as long as any yellow precipitate is obtained.
The mixture is then acidified with the hydrochloric acid solution, and while agitated, an excess of sodium thiosulphate solution is added, the mixture being afterwards allowed to stand a few minutes.
After the greater portion of the alcohol has distilled off, the solution isacidified with sulphuric acid and the azoimide distilled over.
The solution is then acidified and distilled, when azoimide passes over.
Why should not the butter be equally acidified by oxygenation?
Whey is likewise susceptible of being acidifiedby combining with oxygen from the atmosphere.
Animal oil is not so easily acidified as the other ingredients of milk.
In this case you see the sulphur deposits the oxygen by which it was acidified on the metal.
This is then evaporated to a small bulk, placed in a Muter's graduated tube, and acidified with mineral acid.
The filtrate, which should be light yellow or greenish in color, is acidifiedwith dilute sulfuric acid, with stirring.
If the sodium sulfite-diazonium salt mixture is acidified before warming or before becoming dark, the red color of the solution does not disappear on heating, and the precipitated phenylhydrazine hydrochloride obtained is colored red.
When a dilute solution of a chromate or dichromate is acidified with an acid, such as sulphuric acid, no reaction apparently takes place.
However, Osborne and Wakeman have produced a method of treating fresh yeast by boiling it with slightly acidified water which seem as efficient as autolysis in the yield produced.
Their method is to add fresh yeast to slightly acidified boiling water and continue the boiling for about five minutes.
Or, if insoluble, the substance is fused with carbonate of soda, extracted with water, and the filtrate acidified with nitric acid.
The assay solution may be acidified with acetic, sulphuric, or hydrochloric acid before titrating with "hypo;" but it must be only faintly so.
The alumina is contained in the filtrate, which is acidified with hydrochloric acid and the alumina precipitated therefrom as hydrate with ammonia, as just described.
The mineral is best treated by the method given in the third paragraph on page 382; but the solution, after beingacidified with nitric acid, should be made exactly neutral with ammonia.
The filtrate is acidified with hydrochloric acid, and treated with sulphuretted hydrogen, warmed, rendered slightly alkaline with ammonia, and the gas again passed.
They are filtered off, re-dissolved, and again precipitated in ammonic carbonate solution; the combined filtrates are boiled for some time, and acidified slightly with hydrochloric acid.
For gravimetric work the solution is acidified with hydrochloric acid, then mixed with ammonia in slight excess, boiled, and filtered.
The filtrate is acidifiedwith acetic acid, and treated with a few drops of a solution of lead acetate.
Filter, and wash the precipitate with water acidified with sulphuric acid.
The solution, acidifiedwith nitric acid and boiled, contains the arsenic as sodium arsenate.
The filtered solution is acidified with hydrochloric acid, warmed, and precipitated with sodium sulphite.
Between the acidified water and the Earthy a higher antagonism now emerges.
The largest quantity of them resides in lime, gypsum, and common salt; but how could this quantity, which has not so much as acidified all the calcareous earth, have held the rest of the earths in solution?
The salt beds belong to the last precipitation, by not having been mechanically thrown down, but as already observed and as their occurrence proves, by an alternating process of separation from the acidified lime.
Arsenic and arsenical compounds generally can be detected by (a) Reinsch's test: A piece of clean copper is dipped in a solution of an arsenious compound which has been previously acidified with pure hydrochloric acid.
The liquid may be acidified with sulphuric acid, decolourised with permanganate, and tested for starch.
It is also possible to employ mixtures of arylsulphaminobenzylsulphonic acids in acidified aqueous solution for tanning purposes.
In most other cases, however, the alkali salts are easily soluble and the aqueous solution is then directly acidified with a mineral acid.
Leather tanned with the acidified solution is very similar to those tanned with the phenolsulphonic acid condensation products; its colour, however, is more pronouncedly yellow.
That present as sulphates soluble in water is estimated in the residue on the filter: the residue is extracted with hot water, the sand filtered off, the filtrate acidified with HCl, boiled for one quarter hour and filtered if necessary.
The acidified solution does not precipitate gelatine, and gives a dark brown coloration only with ferric chloride.
Solutions of the free acids and acidified solutions of the salts convert pelt into firm and white leathers possessing great softness and pliability.
If not, the solution is acidified with hydrochloric acid, ether added, and the mixture well shaken.
An experiment was also carried out, using a liquor containing the tannin completely neutralised with caustic soda and subsequently acidified with acetic acid till the acidity of 1 gm.
In case of more easily soluble coupling products the acetone is driven off under reduced pressure or the liquid acidified and diluted, and the substance extracted with ether.
By these it may be clearly seen, that oxygen is an element common to them all, which constitutes their acidity; and that they differ from each other, according to the nature of the oxygenated or acidified substance.
The second bath of the two-bath chrome tannage consists of a solution of sodium thiosulphate acidified with hydrochloric acid.
Pelt (whether delimed or not) is rapidly acidified by the quickly penetrating and strongly adsorbed organic acids of the old tan liquors and becomes positively charged before the tannins are adsorbed.
In order to fill the tube with water, it is turned up, so that the closed end points downwards and the open end upwards, and water acidified with sulphuric acid is poured into it.
Acidified water is poured into the funnel, and a glass cylinder full of water is placed over the end of each wire (fig.
The substance Na{2}OI{2} is soluble in water, and when acidified gives free iodine and a sodium salt.
An approximate determination of the salicylic acid by extraction of the acidified preparation with ether and evaporation of the solvent indicated about 2.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "acidified" in a variety of sentences. We hope that you will now be able to make sentences using this word.
