230

LIQU

death. The best antidotes are vegetable acids, such as vinegar,lemon-juice, followed by bland fluids, and bleeding, if necessary.

Tests. It precipitates nitrate of silver in the form of a dark-colouredoxide, which dissolves in nitric acid. Water impregnated with car-bonic acid is not rendered turbid by it, and no precipitate follows.Evaporated to dryness in a silver or platina spoon, and exposed to theair, it deliquesces.

Adulterated with carbonic acid, from which it can seldom he so entirelyfreed as to occasion no turbidity or precipitate on adding lime water.It also usually contains portions of silica, lime, and of the muriate orthe sulphate of potass ; though seldom in such proportion as to injureit much. The genuine is dense, colourless, and transparent, withoutsmell, and very acrid to the taste. It feels soapy to the touch, fromits dissolving a portion of the grease of the skin, and forming a soap.It ought to be kept from the air, as it will thence attract carbonicacid.Liquor Poi'AsSiE Chloratis. Take 3J of chlorate of potass, Jxij of dis-tilled water. Dissolve. It is given internally, and also applied toindolent ulcers.Liquor Potass^e Hydriodatis IoDURETiE Concentkatus. Dissolve3j of iodine, 9ij of hydriodate of potass, in 3vij of distilled water. Itcontains J r part of iodine. Dose six drops twice a day, increasinggradually by two drops a day, till it reach eighteen drops per dose.It is also prepared much diluted. (Lugol.)Liquor Potasss: Subcarbonatis. L. Solution of Subcarbonate ofPotass. Aqua potassa: subcarbonatis. D. Take ftvj of subcarbonateof potass, Jxij of distilled water ; dissolve, and filter through paper.

This is a very good antacid, absorbent, diuretic, and lithontriptic, indoses of D\x to 5J in mild table-beer, or any tonic bitter infusion,such as that of chamomile or gentian. Dr. A. T. Thomson recom-mends macerating it with a fourth part of powdered myrrh, as anantacid. Its nauseous taste has made it less used than the carbonateof potass; but it is often very useful in nephritic irritation from uricsand.

Incompatible. See Potass/E Subcarbonas. L.Liquor Tabtari Ejuetici. D. Solution of Tartar Emetic. Take 3jof tartar emetic, 3viij of boiling distilled water, and 51J of rectifiedspirit of wine; dissolve the tartar emetic in the water, anil add thespirit.

Incompatible with bark, alkalies, astringent vegetables, and commonwater.

Medicinally as a sudorific or emetic, in doses of 11^ vj to $iij.Liquor Volatilis Cornu Ckrvini. Volatile Liquor of Hartshorn.