United States or Ireland ? Vote for the TOP Country of the Week !
ANHYDRITE, a mineral, differing chemically from the more commonly occurring gypsum in containing no water of crystallization, being anhydrous calcium sulphate, CaSO . It crystallizes in the orthorhombic system, and has three directions of perfect cleavage parallel to the three planes of symmetry.
This can best be done by slipping over the end of a stirring rod a soft rubber device sometimes called a "policeman." Desiccators should be filled with fused, anhydrous calcium chloride, over which is placed a clay triangle, or an iron triangle covered with silica tubes, to support the crucible or other utensils.
On projecting dry pulverized iodide of potassium into fused anhydrous phosphoric acid, a violent disengagement of iodine takes place, attended by a transient ignition; fused hydrate of phosphoric acid liberates iodine abundantly from iodide of potassium; this reaction is accompanied by the phenomenon of flame and formation of a considerable quantity of hydriodic acid. Iodide of Mercury.
The condensation of anhydrous sulphuric acid would pay, according to estimates submitted by Herr Hasenclever; but to pass the gases through a tower filled with lime, in order to get rid of the remaining sulphurous acid, would prove too expensive at Stolberg.
As soon as the steam can no longer be separated in the boiler, C, and temperature has reached 118 degrees, the anhydrous acetic acid is distilled through the tube, g, and received in the cooler, K, wherein it condenses. When the contents of the boiler, A, have been distilled to dryness, the tube, d, is closed and the cock of the tube, c, is opened.
It is insoluble in acids, and does not effervesce like chalk and dolomite, because it does not contain carbonic acid gas, or fixed air, the lime being already combined with sulphuric acid, for which it has a stronger affinity than for any other. Anhydrous gypsum is a rare variety, into which water does not enter as a component part. GYPSEOUS MARL is a mixture of gypsum and marl.
It has an exceedingly acid taste: it dissolves readily in water, and is soluble in alcohol. Its crystals are of a very irregular shape. In 100 parts, by weight, there are 12 of water; the remaining 88 parts are the pure anhydrous acid, composed of 32-39 parts of carbon, 52-97 of oxygen, and 2-64 of hydrogen.
The following alarming symptoms now succeed each other with frightful rapidity: a cup of milk, baptized, costs five sous; when it is anhydrous, as the chemists say, ten sous. Meat costs more at Sevres than at Paris, if you carefully examine the qualities. Fruit cannot be had at any price.
The following alarming symptoms now succeed each other with frightful rapidity: a cup of milk, baptized, costs five sous; when it is anhydrous, as the chemists say, ten sous. Meat costs more at Sevres than at Paris, if you carefully examine the qualities. Fruit cannot be had at any price.
The following alarming symptoms now succeed each other with frightful rapidity: a cup of milk, baptized, costs five sous; when it is anhydrous, as the chemists say, ten sous. Meat costs more at Sevres than at Paris, if you carefully examine the qualities. Fruit cannot be had at any price.
Word Of The Day