The liquid is precipitated by alcohol, and the washed and dried precipitate is then dissolved in water and allowed to stand, when the salt separates in dark-coloured crystals.
Oak was thus applied at a very early date; the shrine of Edward the Confessor, still existing in the abbey at Westminster, sound after the lapse of Boo years, is of dark-coloured oak-wood.
It is a dark-coloured crystalline solid which melts at 194° C. and boils at 268° C. It fumes in moist air and deliquesces gradually.
On settling the product forms three layers: the uppermost is a thin crust of soap which is worked up again in the pan; the second is the desired soap; next there is a dark-coloured weak soap termed nigre, which, because it contains some soap and alkali is saved for future use; underneath these is a solution of alkaline salts with a little free alkali.
Burnt deposits are dark-coloured, or even pulverulent and useless.
When kept fused in the presence of air lead readily takes up oxygen, with the formation at first of a dark-coloured scum, and then of monoxide PbO, the rate of oxidation increasing with the temperature.
The aconite has a short underground stem, from which dark-coloured tapering roots descend.
cama), a dark-coloured species, with a black tip to the long, bushy tail and reddish-brown ears.
Different substances were distinguished by the name of "alumen"; but they were all characterized by a certain degree of astringency, and were all employed in dyeing and medicine, the light-coloured alumen being useful in brilliant dyes, the dark-coloured only in dyeing black or very dark colours.
The Annamese of both sexes wear wide trousers, a long, usually black tunic with narrow sleeves and a dark-coloured turban, or in the case of the lower classes, a wide straw hat; they either go bare-foot or wear sandals or Chinese boots.
For the commoner grades of dark-coloured bottles the glass mixture is cheapened by substituting common salt for part of the sulphate of soda, and by the addition of felspar, granite, granulite, furnace slag and other substances fusible at a high temperature.
Dark-coloured leaves are produced when the temperature is allowed to mount higher than when light leaves are required.
In this process cellulose (in the form of sawdust) is made into a stiff paste with a mixture of strong caustic potash and soda solution and heated in flat iron pans to 20o-250 C. The somewhat dark-coloured mass is lixiviated with a small amount of warm water in order to remove excess of alkali, the residual alkaline oxalates converted into insoluble calcium oxalate by boiling with milk of lime, the lime salt separated, and decomposed by means of sulphuric acid.
Moreover, park-cattle display evidence of their descent from dark-coloured breeds by the retention of red or black ears and brown or black muzzles.
It is further significant that, in the Chillingham herd, dark-coloured calves, which are weeded out, make their appearance from time to time.
They lose their facile cleavage and become hard, dark-coloured, slightly lustrous rocks, which have a splintery character or break into small cuboidal fragments.
The head is large, the neck slender, the antennae short and the legs longish, and the appearance of the long stalk-like waist of the ant is produced by a patch of whitish hair on each side of the forepart of the abdomen which has the effect of cutting away the parts of the segments so covered, leaving a narrow dark-coloured median area to represent the waist.
The best is dark-coloured whinstone, because it absorbs very little moisture, or in Scotland Caithness pavement 4 in.
The flowerheads have a dark-coloured elevated disk.
They have a shining, marble-grey and brown, thick, leathery outer coat, within which is a thin dark-coloured brittle coat.
This seems to be the case with molten sulphur, which, when heated, becomes dark-coloured and plastic; and also in the case of metals, which obtain or lose magnetic properties without loss of continuous structure.
pieta, inhabits the Apennines; the Carpathian chamois is very dark-coloured, and the one from the Caucasus is the representative of yet another race.
Each annual ring is made up of two parts - an inner soft portion light in colour, and a hard, dark-coloured outer portion.
Ammonium sulphide precipitates black nickel sulphide, which is somewhat soluble in excess of the precipitate (especially if yellow ammonium sulphide be used), forming a dark-coloured solution.
It is a pale yellow gas which can be condensed, on cooling, to a dark-coloured liquid boiling at 5° C. (under a pressure of 737.9 mm.).
cantiaca - named from the place of its discovery, though it has long since ceased to inhabit that neighbourhood - is the largest of the British species, equalling in size the smaller gulls and having a dark-coloured bill tipped with yellow, and dark legs.
The first or typical group of the genus Cervus includes the reddeer (Cervus elaphus) of Europe and western Asia, of which there are several local races, such as the large C. elaphus moral of eastern Europe and Persia, which is often partially spotted above and dark-coloured below, the smaller C. e.
The hangul (C. cashmirianus) of Kashmir is a distinct dark-coloured species, in which the antlers tend to turn in at the summit; while C. yarcandensis, of the Tarim Valley, Turkestan, is a redder animal, with a wholly rufous tail, and antlers usually terminating in a simple fork placed in a transverse plane.
The general aspect of the district is that of a flat even country, dotted with clusters of bamboos and betelnut trees, and intersected by a perfect network of dark-coloured and sluggish streams. There is not a hill or hillock in the whole district, but it derives a certain picturesque beauty from its wide expanses of cultivation, and the greenness and freshness of the vegetation.
The sealed cells are dark-coloured and sunken, pierced with irregular holes, and the larvae in all stages from the crescent-shaped healthy condition to that in which the dead larvae are seen lying at the bottom of the cells, flaccid and shapeless.
The Arabian, or Nubian, ibex (C. nubiana) is characterized by the more slender type of horn, in which the front edge is much narrower; while the Simien ibex (C. vali) of Central Abyssinia is a very large and dark-coloured animal, with the horns black instead of brownish, and bearing only slightly marked front ridges.
Many of the dark-coloured horses of Europe have Barb or Arab blood in their veins, this being markedly the case with the Old English black or Shire horse, the skull of which shows a distinct depression in front of the eye-socket.
13 Garcias da Horta, in asserting the Arabian origin of the drug, remarks that the term " Indian " is often applied by the Arabs to a dark-coloured variety.'4 According to Pliny (Nat.
It is a dark-coloured crystalline solid which melts at 194Ã‚° C. and boils at 268Ã‚° C. It fumes in moist air and deliquesces gradually.
It is a pale yellow gas which can be condensed, on cooling, to a dark-coloured liquid boiling at 5Ã‚° C. (under a pressure of 737.9 mm.).
The leaves are forwarded to the opium-factories, where they are sorted into three classes, according to size and colour, the smaller and dark-coloured being reserved for the inside of the shells of the opium-balls, and the larger and least coloured for the outside.
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