The colors are now set by using a mixture of silicate of potash completely saturated with silica, with a basic silicate of soda (a flint liquor with soda base, obtained by melting 2 parts sand with 3 parts of carbonate of soda).
The process consists in first laying a ground with a lime water; when this is thoroughly dry, it is soaked with a solution of silicate of soda.
Another application of soluble glass has been made by surgeons for forming a protecting coat of silicate around broken limbs as a substitute for plaster, starch, or dextrine.
Very thin gauze dipped in a solution of silicate of potash diluted with water, and dried, burns without flame, blackens, and carbonizes as if it were heated in a retort without contact of air.
Jadeite is a sodium aluminumsilicate and nephrite, a calcium magnesium silicate.
The particular feldspar that furnishes most of the moonstone is orthoclase, a silicate of potassium and aluminum.
The dense flint glass (chiefly a silicate of potassium and lead) which is used for cut glass ware illustrates admirably the optical properties of the heavy glasses.
Sienna, like umber, is essentially a silicate of iron and alumina, containing manganic oxide.
The following figures give the analysis of a sample of cement expressed in terms of the complex compounds that are found:-- Sodium silicate (Na2SiO3).
Ferrous sulphate sown in a silicatesolution gives rise to growths which are green in colour, climbing, or herbaceous, twining in spirals round the larger and more solid calcareous growths.
A good solution to commence with is the following:-- Silicate of potash, sp.
It is certain, however, that the finer-grained rocks are richest in alumina, and in combined water; hence the inference is clear that kaolin or some other hydrous aluminium silicate is the dominating constituent.
Some, such as victoria stone, imperial stone and others, are hardened and rendered non-porous after manufacture by immersion in a solution ofsilicate of soda.
Others, like Ford's silicate of limestone, are practically lime mortars of excellent quality, which can be carved and cut like a sandstone of fine quality.
Since common clay is a silicate of aluminium and is everywhere abundant, it might be expected that this would be utilized in the preparation of aluminium.
In the form of vapor the salt attacks the surface of the baked ware and forms an easily fusible sodiumsilicate upon it, which constitutes a glaze.
The phosphorus vapor escapes at P and is condensed under water, while the calcium silicate is tapped off as a liquid at S.
The other was composed of the same amount of the silicate with six drops of dilute phosphoric acid and six grains of ammonium phosphate.
One consisted of two or three drops of dilute sodium silicate with eight drops of liquor fern pernitratis to one ounce of distilled water.
It contains a large amount of soluble silicate of potass.
It is a hydrated silicate of magnesium, mixed with lime, alumina, and a small quantity of iron.
It is a silicate of aluminium and the rare element glucinum or beryllium, which was detected in it by Vauquelin after it had been discovered by the same chemist in the beryl.
The chemist Fouqu['e] proved by analysis that it is a double silicate of calcium and copper.
They are sometimes fine-grained hornstones (known as calc-silicate hornfelses).
Often bands of calc-silicate rock alternate with bands of marble, and they may be folded or bent; in other cases, nodules and patches of silicates occur in a matrix of pure marble.
The rock is then a calc-silicate rock, hard, tough, flinty and no longer readily soluble in acids.
Rowney to consist almost wholly of malacolite, a silicate of calcium and magnesium.
It also constitutes with sodium silicate the mineral lapis-lazuli and the pigment ultramarine (q.
The chief natural compounds of aluminium are four in number: oxide, hydroxide (hydrated oxide), silicate and fluoride.
The alum schists employed in the manufacture of alum are mixtures of iron pyrites, aluminium silicate and various bituminous substances, and are found in upper Bavaria, Bohemia, Belgium and Scotland.
Aluminium silicateis the chemical body of which all clays are nominally composed.
A banded and mottled calc-silicate hornfels occurring with the limestone at Iyerry Falls, W.
This green silicate may give rise by alteration to a brown oxide of iron (limonite), producing a rusty appearance on the outside of the agate-nodule.
In its occurrence in basic rather than in acid eruptive rocks, axinite differs from the boro-silicate tourmaline, which is usually found in granite.
But silicate rock is notably lacking in response to that attractive force.
The silicate rocks ran only about twenty-five per cent iron--in the form of nonmagnetic compounds.
There was no such simple answer for thesilicate rocks.
And it was certainly possible; the exhaust flame of the lower rocket easily burrowed a hole that the rocket could back into, while the silicate rock boiled and vaporized in order to get out of the way.
This may perhaps have been due to the doubtful nature of the commercial article, but now that silicate of soda can be obtained of good quality, it is desirable that the experiments should be repeated.
The general colour of the series is dark brown, sometimes red; and the sands are occasionally green, from the presence of silicate of iron.
Rocks, which contain a larger or smaller amount of clay or hydrated silicate of alumina in their composition.
Anorthite,—silicate of aluminum and calcium, or lime feldspar.
This is the most basic of all the silicate rocks; but, in consequence of containing a large proportion of water, it is not the heaviest.
The silicate minerals may be very conveniently divided into two great groups, the basic and acidic.
Oligoclase,—silicate of aluminum and sodium, and calcium, or soda-lime feldspar.
In studying the silicate minerals it was stated to be important to recognize two classes—the acidic and the basic—the dividing line falling in the neighborhood of 60 per cent.
Albite,—silicate of aluminum and sodium, or soda feldspar.
Upon boiling the precipitate with solution of silicate of potassa, silicate of alumina is thrown down, and phosphate of potassa remains in solution.
Aluminum is third in abundance (about seven per cent), aluminum silicate being common clay.
EN#2] Here probably disappeared some fine specimens ofsilicate of copper which caused a delay of three months in the report.
In a complete examination of a silicate it should be treated with the precipitate containing alumina, ferric oxide, &c.
The mineral pollux is essentially a silicate of alumina and caesia; it contains 34.
The addition of lime, oxide of iron, or alkali to silicate of alumina results in the formation of a double silicate of alumina and lime, or of alumina and iron, &c.
It was found that an alkaline cyanate, sulphocyanate, ferrocyanide, nitrite, borate, silicate or carbonate has no effect.
Similarly, if to a silicateof lime we add oxide of iron, or soda, or even alumina, a fusible double silicate will be formed.
Some silicates are completely decomposed by such treatment; but it saves time (unless one is sure that no undecomposable silicate is present) to treat these in the same way as the others.
Actinolite is a green silicate of lime, magnesia, and iron especially common in certain metamorphic rocks.
A silicate of zirconium usually crystallized in the tetragonal system as simple four-sided prisms capped by four-sided pyramids.
Hornblende, the most common species, is a dark colored silicate of lime, magnesia, aluminum, and iron.
A hydrous silicate of magnesia never in distinct crystals as such, but shown to be monoclinic under the microscope.
A silicate of aluminum and the rare chemical element beryllium.
Composition, a hydroussilicate of magnesia, much like that of serpentine.
The most common variety of pyroxene is augite, a dark-green to black silicate of aluminum, iron, lime, and magnesia.
Talc is always of secondary origin, generally derived by chemical alteration of various common minerals rich in silicate of magnesia.
Composition, very complex, but chiefly a silicateof boron and several metals and semimetals.
Bauxite is probably always a secondary mineral formed by decomposition of igneous rocks rich in certain aluminum silicate minerals.
It always results from alteration of certain other magnesia-bearing silicate minerals, such as pyroxene, amphibole, olivine, etc.
Tremolite is a white to light gray silicate of lime and magnesia found especially in metamorphic limestones.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "silicate" in a variety of sentences. We hope that you will now be able to make sentences using this word.
