When washing out the red precipitate, at first a little acetic acid is added to dissolve any basic zinc carbonate which has been deposited.
To keep back any free acetic acid which might be swept over by the current of gas, there is introduced after the washing apparatus another washing bottle with sodium carbonate.
It is insoluble in diluteacetic acid, but dissolves in mineral acids.
This substance also, like the last, is soluble in Acetic acid.
Lactic, butyric, and acetic acids, have been frequently found there.
But it should be observed that some of these are soluble in Acetic acid; and if, as some have supposed, this acid exist in the gastric juice, then they might be dissolved in the stomach.
For the production of the best coffee, acetic acid fermentation (which changes the color of the bean) and temperature above 60° should be avoided, as these inhibit subsequent enzymatic action.
Render definitely acid by the addition of acetic acid and connect up the flask with a condenser.
Decolourise with acetic acid solution until only the nuclei appear blue (examine the section wet, with low power objective).
If the film has been prepared from broth, liquefied gelatine, or pus or other morbid exudations, saturate the film after fixation with acetic acid 2 per cent.
Make the liquid faintly acid with acetic acid, then boil.
If the film has been prepared from blood or bloodstained fluid, treat with acetic acid 2 per cent.
During this process, a small quantity of alcohol which still remains in the vinegar combines slowly with some of the acetic acid, producing acetic ester, a substance which has a pleasant fruity odour.
This is neutralized with milk of lime or soda ash, which converts acetic acid into calcium or sodium acetate, but has no action on the methyl alcohol and acetone which are also present.
The slow action which acetic acid vapour has upon the metal lead finds a very interesting application in what is known as the Dutch process for the manufacture of white lead[4] for paint.
The method of removing the last traces of water depends upon the fact that aceticacid solidifies at 17° C.
Acetic acid, being the more volatile of the two acids, distils over, and is nearly pure.
The Acetates Aluminium Acetate, made by dissolving alumina in acetic acid, is the "red liquor" which is used as a mordant in dyeing.
If the plant is placed in dilute spirits of wine, only a very little acetic acid is formed, and then the action ceases because the solution does not contain the necessary food substances.
Ferrous Acetate, made in a similar way from scrap iron and acetic acid, is the "black liquor" used in dyeing.
The process of souring which had already begun went on naturally, and in the course of a few months, nearly the whole of the alcohol was converted into acetic acid.
The solutions of acetic acid dealt with above would be too dilute for any industrial purpose; moreover, the acid can be obtained much more cheaply by the distillation of wood.
When this gas is passed through sulphuric acid containing suspended mercuric oxide or dissolved mercury salt, the acetylene is oxidized first to aldehyde and then to acetic acid.
Alcohol is changed to acetic acid by the process of oxidation, and therefore, in making vinegar, arrangements have to be made to bring together weak alcohol and air in the presence of the plant.
Acetic acid is a preserving agent, as our sour pickles show, but if it is not too strong there are some organisms that can live in it, and the whole process ends in decay.
In these another set can live, and when the first have died of starvation or from the alcohol they form, the second set step in and turn the weak alcohol into acetic acid.
Acetate of soda fused and anhydrous is directly decomposed, being, as I believe, a true electrolyte, and evolving soda and acetic acid at the cathode and anode.
One of these has been referred to already, as affording only secondary results relative to the acetic acid (749.
Vegetable acids, as acetic and tartaric, sometimes rendered inert platina active, at other times not.
Strong and dilute nitric acid, dilute acetic acid, solutions of tartaric, citric, and oxalic acids, were used with equal success.
I could judge under the circumstances, acetic acid mingled with carbonic oxide, carbonic acid, &c.
A cover-glass is placed over this, and a drop of glacial acetic acid allowed to run in.
The principal inorganic corrosives are the mineral acids, the caustic alkalies, and their carbonates; the organic are carbolic acid, strong solutions of oxalic acid, and acetic acid.
These may be separated from organic mixtures thus: Boil the organic matter with distilled water, spirit, and acetic acid; filter, and to the fluid passed through add acetate of lead till precipitate ceases.
If the tattooing is superficial (merely underneath the cuticle) the marks may possibly be removed by acetic acid or cantharides, or even by picking out the colouring-matter with a fine needle.
Phenacetin, Phenacetinum=, is produced by the interaction of glacial acetic acid and para-phenetidin.
The most commonly employed are vinegar, acetic acid, carbolic acid, nitric acid, and carbonate of sodium; but tramps frequently use sorrel and various species of ranunculus.
If treated by acetic acid, boiling and subsequent addition of strong nitric acid, the resulting and persistent precipitate indicates the amount of albumen.
Tannic acid, alum, acetic acid, alcohol, and oil of turpentine are all more or less active in this respect.
Pus cells may be found in the urine associated with albumen, and are recognized by clearing up, when treated with acetic acid, so that each cell shows two or three nuclei.
Prepared by distilling barium or calcium acetate in iron stills, the acetate being obtained from the crude acetic acid produced by the dry distillation of wood.
Oxalic and acetic acids are obtained when cellulose is heated strongly at 250 deg.
Acetic anhydride is added in small quantity, and 100 parts of acetyl chloride.
If cellulose is heated with acetic anhydride at 180 deg.
The contents of the Malpighian tubules may be examined by crushing the part in a drop of diluteacetic acid, or in dilute sulphuric acid (10 per cent.
He found that captive insects, though not alarmed by a clean glass rod cautiously brought near, became agitated if the same rod had been first dipped in carbolic acid, turpentine, or acetic acid.
It has been found by experience that the colour is developed much brighter upon the fibre when the diazo solution contains acetic acid and no free mineral acid.
This is best done with basic dyes, in some cases also with acid dye-stuffs in cold or tepid bath with addition of sulphuric acid, hydrochloric or acetic acid.
Acetic ether, methyl alcohol, acetone and glacial acetic acid, will also dissolve these nitrates.
If before the diazo solution is used a quantity of acetate of soda be added to it, the free hydrochloric acid liberates acetic acid from the acetate, and the chloride of the diazo body changes into its acetate.
After dyeing, the pieces must be very well rinsed, and the colour raised or brightened with 1 pint of acetic acid in 10 gallons of water.
Like the last-mentioned nitrates it is soluble in a mixture of alcohol and ether, in acetic ether, and in absolute alcohol.
Such substances are the bisulphites, if used with the bisulphite compounds of the dye-stuffs; the acetates, if mixed with some acetic acid, may also be used.
By passing the goods through cold water to which some sulphuric or acetic acid is added, the brightness of most effects is greatly increased.
Phenylene diamine can be used with the addition to the developing bath of acetic acid or soda.
This hexa-nitrate is insoluble in ether, alcohol, or in a mixture of those solvents, likewise in glacial aceticacid or in methyl alcohol.
Some acetic acid is formed, and this process will go on till the solutions of the two acids are isohydric: that is, till the dissociated hydrogen ions are in equilibrium with both.
In order that this should hold, we have seen that a considerable quantity of acetic acid must be present, so that a corresponding amount of the salt will be decomposed, the quantity being greater the less the acid is dissociated.
Not having sufficient quantity to purify it for combustion, I dissolved it with potash, by which free fusel-oil was separated, and determined the acetic acid in the form of a silver salt.
First dissolve the bruised camphor in the acetic acid, then add the perfumes; after remaining together for a few days, with occasional agitation, it is to be strained, and is then ready for use.
Fusel oil is slightly soluble in water, to which it imparts its odor; and soluble in all proportions in alcohol, ether, volatile and fixed oils, and acetic acid.
The modern aromatic vinegar is the concentrated acetic acid aromatized with various ottos, camphor, &c.
A very similar and quite as effective a preparation may be made by dissolving the odorous principle of the plants indicated in a mixture of alcohol and acetic acid.
Ammonia and acetic acid, holding an indefinite position in the order we have laid down, may also come in here without much criticism, being considered as primitive odors.
An addition in small quantities of dilute acid, particularly those of organic origin, as acetic or tartaric, tend likewise to the production of grain.
The addition of aceticacid instead of ammonia acts in a contrary direction.
There are weak acids such as acetic acid, and strong acids like sulphuric acid.
Normal chromates on the addition of silver nitrate give a red precipitate of silver chromate, easily soluble in ammonia, and with barium chloride a yellow precipitate of barium chromate, insoluble in acetic acid.
Acetic acid is made from pomace by drying it in vapor-tight rooms, during which process 50 to 60 per cent of the weight of the pomace becomes vapor, and this, condensed, yields considerable quantities of acetic acid.
Second, acetic fermentation must follow the alcoholic fermentation by which the alcohol is changed into acetic acid.
They exhibited the same indifference to my breath whilst I chewed some tobacco, and while a pellet of cotton-wool with a few drops of millefleurs perfume or of acetic acid was kept in my mouth.
On one or two occasions, however, when acetic acid had been placed on the pellets, the worms appeared a little uneasy, and this was probably due to the irritation of their skins.
They were only so far acted on by acetic acid that the nucleus was thus rendered more distinct.
It should be premised that acetic acid is so deadly a poison to worms that Perrier found that a glass rod dipped into this acid and then into a considerable body of water in which worms were immersed, invariably killed them quickly.
This produces no effect; but they are quickly dissolved with effervescence in acetic acid, and when oxalate of ammonia is added to the solution a white precipitate is thrown down.
Acetic acid produced hardly any effect on his sand; and even hydrochloric, nitric and sulphuric acids, diluted as in the Pharmacopoeia, produced less effect than did the acids in the intestines of the worms.
There are several volumetric methods for assaying lead ores, but the best known is that based on the precipitation of lead by ammonium molybdate in an acetic acid solution.
The lead sulphate, obtained as described above and dissolved in ammonium acetate, is acidulated with acetic acid diluted with hot water and heated to boiling-point.
Take of gum dextrine two parts, acetic acid one part, water five parts.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "acetic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
