Cover of A System Of Instruction In The Practical Use Of The Blowpipe

A System Of Instruction In The Practical Use Of The Blowpipe

Auhtor: Anonymous

Language: english

Genres:

classic
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Review by Dr. Bojan Tunguz, July 2005


Rating: (***)
Copyright: Public Domain in the U.S.
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Excerpts from the Book 'A System Of Instruction In The Practical Use Of The Blowpipe':

... once what the substance may be. The reagents used for this purpose are borax (NaO, 2BrO^{3}) and the microcosmic salt (NaO, NH^{4}O, PO^{5}, HO). ...
... the figure. The oil is poured into the orifice, A, which has a cap screwed over it. C' is a wickholder for a flat lamp-wick. a is a socket containing ...
... will give distinct indications of sulphur. Preparation.-The nitroprussides of sodium and potassium (for either salt will give the above ...
... else two or more of them may arise together, and thus complicate the sublimate, so that the eye cannot readily detect either substance. Sometimes ...
... forming thick white fumes of oxide of zinc, which coat the charcoal round the assay. This coating is yellow while hot, but when perfectly cooled, becomes ...
... flat with the forceps or it may, while soft, be pulled out to a thin thread, whereby the color can be distinctly discovered. Some bodies, ...
... iron, and the glass then becomes violet. * * * * * 25. Tantalic Acid, TaO^{3}. Behavior with Borax on Platinum wire ...
... are reduced to metallic particles, but give no incrustation, viz. nickel, cobalt, iron, tin, copper, gold, silver, platinum, tungsten, and molybdenum. ...
... is too large a quantity of potash, the flame near to the substance is violet-colored, but the edge of the flame exhibits the characteristic tint of ...
... flame, the bead appears enamelled as when cold. In the reduction flame it is dissolved by borax to a clear yellow bead, which is colorless ...
... By the addition of some tin, and fused upon charcoal, the bead appears bluish-green, or not unlike that of sulphate of iron. Microcosmic ...
... hydrochloric acid. It forms salts with every base, some of which are insoluble, and others sparingly so. Notwithstanding that antimonic acid ...
... with lead. It also occurs as the sulphide in several mines. It crystallizes in cubes and octahedrons is of a pure white color, great lustre, ...
... fluoride of calcium. The whole is made into a paste with water, and the assay is placed on the platinum wire, and submitted to the point of the blue ...
... his attention. The following tabular statement of those reactions-which we take from Scheerer and Blanford's excellent little work upon the ...
... the soda is absorbed, and an infusible mass of alumina remains. (8) Special reactions. If the alumina residue obtained ...
... flame green. | Diallage | Frequently gives off water in small quantity. | Fuchsite | Gives the chromium reaction with borax ...
... (7) with carb. soda. As the preceding. (8) Special reactions. As the preceding. * * * * * MANGANESE. ...
... Gives off SO^{2}, and when strongly heated, a white sublimate of [.Pb], [.S]. (3) on charcoal. Fuses and is reduced affording ...
... by its odor and bleaching properties. (3) on charcoal. Is volatilized, generally leaving a small ...