Solubility Sentence Examples
In this particular case the solubility decreases with rise of temperature.
The experi mental curve of solubility is shown in fig.
It is possible to state the conditions of solubility in terms of the theory of available energy, but the result comes to little more than a re-statement of the problem in other terms. Nevertheless, such a re-statement is in itself sometimes an advance in knowledge.
It is an amorphous solid, insoluble in water, but its solubility is increased in the presence of ammonium nitrate.
For gases such as oxygen and nitrogen dissolved in water the solubility as thus defined is independent of the pressure, or the mass of gas dissolved is proportional to the pressure.
It is possible that a correlation may be made between solubility and the energy of surface tension.
All cements having calcium sulphate as their base are suitable only for indoor work because of the solubility of this substance.
It is used in medicine on account of the high solubility of its salt with uric acid.
No satisfactory correlation of solubility with chemical or other properties has been made.
From this point of view the natural solubility of two substances involves a negative energy of surface tension between them.
AdvertisementThe gas does not obey Henry's law, that is, its solubility in water is not proportional to its pressure.
Its solubility in water is lessened by sodium or magnesium sulphate, but is increased by potassium nitrate, ammonium chloride, and most acids.
The doses are similar to those of the sulphate, but somewhat smaller, owing to its greater solubility.
The small quantity of quinine it contains is conditioned by the solubility of the alkaloid, which is precipitated when this tincture is diluted with water.
It may be distinguished from sodium and potassium by the sparing solubility of its carbonate and phosphate.
AdvertisementLithium salts render the urine alkaline and are in virtue of their action diuretic. They are much prescribed for acute or chronic gout, and as a solvent to uric acid calculi or gravel, but their action as a solvent of uric acid has been certainly overrated, as it has been shown that the addition of medicinal doses of lithium to the blood serum does not increase the solubility of uric acid in it.
It may be separated from the quinoline which accompanies it by means of the difference in the solubility of the sulphates of the two compounds, isoquinoline sulphate being much less soluble than quinoline sulphate.
The solubility of naphthalene by various oils has led some engineers to put in naphthalene washers, in which gas is brought into contact with a heavy tar oil or certain fractions distilled from it, the latter being previously mixed with some volatile hydrocarbon to replace in the gas those illuminating vapours which the oil dissolves out; and by fractional distillation of the washing oil the naphthalene and volatile hydrocarbons are afterwards recovered.
The solubility decreases as the carbon content rises.
This may be distinguished from the similar antimony deposit by its ready solubility in a solution of sodium hypochlorite.
AdvertisementThe colour, the boiling-point, the specific gravity and solubility in alcohol serve as most valuable adjuncts in the examination with a view to form an estimate of the genuineness and value of a sample.
The work will develop fibers with optimal dimensions and solubility for cell growth do deliver genetically modified muscle cells to treat muscular dystrophy.
Figure 5. molecular gyroscope made of the CB[5]@CB[10] complex One of the main problems encountered with CB is its poor solubility in water.
The trend to lower solubility is, however, broken at the bottom of the Group.
It has a high solid solubility at approximately 30% Cr, at room temperature, in nickel.
AdvertisementAt doses above 200 mg, the absorption was saturated probably due to poor solubility.
A drug has to have high solubility for the treatment to take effect quickly.
E.g. if gas solubility goes down near the glass transition temperature then p!
These groups were also used to maintain the high water solubility of the resulting CD molecule.
But, the blood solubility is lower than ether and therefore blood levels fall more quickly.
The general characters of a soap are a certain greasiness to the touch, ready solubility in water, with formation of viscid solutions which on agitation yield a tenacious froth or " lather," an indisposition to crystallize, readiness to amalgamate with small proportions of hot water into homogeneous slimes, which on cooling set into jellies or more or less consistent pastes.
Other acids became known during the alchemistic period; and the first attempt at a generalized conception of these substances was made by Paracelsus, who supposed them to contain a principle which conferred the properties of sourness and solubility.
Be able to construct solubility curves from experimental data.
This paper describes the determination of the solubility parameter of starch measured by water at infinite dilution.
Lipid solubility of the barbiturates is the dominant factor in their distribution within the body.
E.g. if gas solubility goes down near the glass transition temperature then p !
They can be classified into two groups depending on their solubility in water.
Water temperature and oxygen solubility The solubility of oxygen in water reduces as temperatures increase (see table 1).
Henry 's law dictates the solubility of gas in liquid.
In most cases, the water solubility of vitamin B12 means that if you take too much vitamin B 12, it will most likely be excreted in your urine.
The main difference between alpha hydroxy acids and beta hydroxy acid is their lipid (oil) solubility.
As the atomic weight of the element increases, it is found that the solubility of the sulphates in water decreases.
A remarkable change occurs when many albumins are boiled with water, or treated with certain acids, their solubility and general characters being entirely altered, and the fluid becoming coagulated.
Lead bromide, PbBr 2, a white solid, and lead iodide, PbI 21 a yellow solid, are prepared by precipitating a lead salt with a soluble bromide or iodide; they resemble the chloride in solubility.
The solubility in ether-alcohol may be owing to a lower degree of nitration, or to the temperature conditions under which the process of manufacture has been carried on.
The Stassfurt minerals owe their industrial importance to their solubility in water and consequent ready amenability to chemical operations.
Solutions were not distinguished from definite chemical compounds till John Dalton discovered the laws of definite and multiple proportions, but many earlier observations on the solubility of solids in water and the density of the resulting solutions had been made.
The pressure at each point should be that of the vapour, but since the solubility of a solid does not change much with pressure, measurements under the constant atmospheric pressure give a curve practically identical with the theoretical one.
The more complete phenomena of mutual solubility are illustrated by the case of phenol and water.
When a crystal of the solid phase is present the equilibrium of a solution is given by the solubility curves we have studied.
If the temperature at which this dense spontaneous shower of crystals is found be determined for different concentrations of solution, we can plot a "supersolubility curve," which is found generally to run roughly parallel to the "solubility curve" of steady equilibrium between liquid and already existing solid.
This result must hold good for any solution, but if the solution be dilute when saturated, that is, if the solubility be small, the equation shows that if there be no heat effect when solid dissolves to form a saturated solution, the solubility is independent of temperature, for, in accordance with the gas laws, the osmotic pressure of a dilute solution of constant concentration is proportional to the absolute temperature.
Since the solubility of hydrochloric acid in water decreases with the increase of the temperature, it is necessary to keep the latter down - a task which is rendered somewhat difficult both by the original FIG.
A formula of this type has been widely employed by van't Hoff and others to calculate heats of reaction and solution from observations of solubility and vice versa.
Look at the way the solubility products vary from silver chloride to silver iodide.
The capsules contain pure powered herb only, have a fast solubility time and are easily digested.
An additional factor is the " common ion " effect, this further reduces the solubility of the precipitate.
Acid helps increase the solubility of a weakly soluble salt.
Water temperature and oxygen solubility The solubility of oxygen in water reduces as temperatures increase (see table 1 ).
When a solution solidifies, alloys of metals which have a limited mutual solubility may form new phases at certain ratios.
Fibroin is insoluble in water, acids and alkalies; silk-glue resembles gelatin in its solubility, but it is less readily gelatinized.
Its maximum solubility in water is at 34 0; above that temperature it ceases to exist in the solution as a decahydrate, but changes to the anhydrous salt, the solubility of which decreases with rise of temperature.
Magnesium hydroxide is a white amorphous solid which is only slightly soluble in water; the solubility is, however, greatly increased by ammonium salts.
The solubility of the various alums in water varies greatly, sodium alum being readily soluble in water, whilst caesium and rubidium alums are only sparingly soluble.
The quantity of substance, or solute, which a given quantity of liquid or solvent will dissolve in presence of excess of the solute measures the solubility of the solute in the given solvent in the conditions of temperature and pressure.
When the two components form chemical compounds with each other, the phenomena of mutual solubility become more complex.
We should expect to find supersolubility curves lying below the solubility curves, and this result has been realized experimentally for the supersolubility curves of mixtures of salol (phenyl salicylate) and betol (/3-naphthol salicylate) represented by the dotted lines of fig.
It follows that if the thermodynamic heat of solution be positive, that is, if heat be absorbed to keep the system at constant temperature, the solubility will increase with rising temperature, while if heat be evolved on dissolution, the solubility falls when the system is heated.
They are characterized by their insolubility or very slight solubility in water; as examples may be mentioned erythrinic acid in Roccella and Lecanora; evernic acid in species of Evernia, Ramalina and Cladonia; lecanoric acid in Lecanora, Gyrophora.
Beryllium salts are easily soluble and mostly have a sweetish taste (hence the name Glucinum, from yXv,dc, sweet); they are readily precipitated by alkaline sulphides with formation of the white hydroxide, and may be distinguished from salts of all other metals by the solubility of the oxide in ammonium carbonate.
The solubility of copper carbonate in ferrous chloride solution was pointed out by Max Schaffner in 1862, and the subsequent recognition of the solubility of the oxide in the same solvent by James Douglas and Sterry Hunt resulted in the " Douglas-Hunt " process for the wet extraction of copper.
By adding an alcoholic solution of iodine to a solution of the sulphate in acetic acid a compound known as herapathite, 4Qu 3H 2 SO 4.2HI Ie6H 2 O, is obtained, which possesses optical properties similar to those of tourmaline; it is soluble in Iwo parts of boiling water; and its sparing solubility in cold alcohol has been utilized for estimating quinine quantitatively.
In a scientific definition the compounds of fatty acids with basic metallic oxides, lime, magnesia, lead oxide, &c., should also be included under soap; but, as these compounds are insoluble in water, while the very essence of a soap in its industrial relations is solubility, it is better to speak of the insoluble compounds as " plasters, " limiting the name " soap " as the compounds of fatty acids with soda and potash.
The next higher members of the series are liquids of low boiling point also readily soluble in water, the solubility and volatility, however, decreasing with the increasing carbon content of the molecule, until the highest members of the series are odourless solids of high boiling point and are insoluble in water.
It is a colourless, amorphous solid, which is almost insoluble in water, its solubility diminishing with increasing temperature; it is appreciably soluble in concentrated sulphuric acid.
The solubility of the gas in various liquids, as given by different observers, is zoo Volumes of Brine Water Alcohol Paraffin Carbon disulphide Fusel oil Benzene Chloroform Acetic acid Acetone It will be seen from this table that where it is desired to collect and keep acetylene over a liquid, brine, i.e.
When two substances are soluble in each other in all proportions, we get solubility curves like those of copper and silver shown in fig.
Thus the scenery of a limestone country depends on the solubility and permeability of the rocks, leading to the typical Karst-formations of caverns, swallowholes and underground stream courses, with the contingent phenomena of dry valleys and natural bridges.
The most simple case is presented by the two platinum compounds PtC12(NH3)2, the platosemidiammine chloride of Peyrone, and the platosammine chloride of Jules Reiset, the first formed according to the equation PtC1 4 K 2 + 2NH 3 = PtCl 2 (NH 3) 2 + 2KC1, the second according to Pt(NH 3) 4 C1 2 =PtC1 2 (NH 3) 2 +2NH 3, these compounds differing in solubility, the one dissolving in 33, the other in 160 parts of boiling water.