Chemical News and Journal of Physical Science, Tom 99Chemical news office., 1909 |
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Strona 2
... yield to this treat- ment , " he is stating more than the facts warrant . I have tried this method on various columbites and tantalites , and have found that even when the pulverisation of the minerals was effected as he directs by ...
... yield to this treat- ment , " he is stating more than the facts warrant . I have tried this method on various columbites and tantalites , and have found that even when the pulverisation of the minerals was effected as he directs by ...
Strona 4
... yield nitride , cyanide , carbide , and , possibly , cyanamide . Excess of magnesium powder , as a rule , produces a larger yield of the nitride , possibly by union with the oxygen of the air leaving the nitrogen for the other metal ...
... yield nitride , cyanide , carbide , and , possibly , cyanamide . Excess of magnesium powder , as a rule , produces a larger yield of the nitride , possibly by union with the oxygen of the air leaving the nitrogen for the other metal ...
Strona 10
... yield a concentration of hydrogen ions even less than in pure water , for not only is the solubility of the gas greatly diminished , but the dissociation of water is greatly in- creased by rise of temperature . Moreover , the distilling ...
... yield a concentration of hydrogen ions even less than in pure water , for not only is the solubility of the gas greatly diminished , but the dissociation of water is greatly in- creased by rise of temperature . Moreover , the distilling ...
Strona 16
... yield more space to this phase of the discussion . It appears to the writer to be demonstrated that Whitney was right in his assertion that iron goes into solution up to a certain maximum con- centration in pure water without the aid of ...
... yield more space to this phase of the discussion . It appears to the writer to be demonstrated that Whitney was right in his assertion that iron goes into solution up to a certain maximum con- centration in pure water without the aid of ...
Strona 17
... yields a sufficient amount to the solvent action to produce a small amount of brownish manganese hydroxide when the bichromate solution is poured off , made slightly ammoniacal , and allowed to stand . If metallic manganese is boiled in ...
... yields a sufficient amount to the solvent action to produce a small amount of brownish manganese hydroxide when the bichromate solution is poured off , made slightly ammoniacal , and allowed to stand . If metallic manganese is boiled in ...
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Strona 138 - That no article shall be deemed misbranded, or adulterated within the provisions of this act when intended for export to any foreign country and prepared or packed according to the specifications or directions of the foreign purchaser when no substance is used in the preparation or packing thereof in conflict with the laws of the foreign country to which said article is intended to be shipped...
Strona 134 - Illustrations. 255. net. OILS, FATS, BUTTERS, AND WAXES : THEIR PREPARATION AND PROPERTIES, AND MANUFACTURE THEREFROM OF CANDLES, SOAPS, AND OTHER PRODUCTS. BY CR ALDER WRIGHT, D.Sc., FRS, Late Lecturer on Chemistry, St. Marv's Hospital Medical School ; Examiner in "Soap" to the City and Guilds of London Institute.
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Strona 134 - Illustrations. l6s. net. THE CHEMISTRY OF INDIA RUBBER. A" Treatise on the Nature of India Rubber, its Chemical and Physical Examination, and the Determination and Valuation of India Rubber Substitutes. Including the Outlines of a Theory on Vulcanisation. BY CARL OTTO WEBER, PH.D. " Replete with scientific and also with technical interest. . . . The section on physical properties is a complete resume of every thing known on the subject.
Strona 228 - OUTLINES OF THEORETICAL CHEMISTRY. By LOTHAR MEYER, Professor of Chemistry in the University of Tubingen. Translated by Professors P. PHILLIPS BEDSON, D.Sc., and W. CARLETON...
Strona 138 - November 18, 1908, and continuing five days. At this hearing those who favored the bleaching process and those who opposed it were given equal opportunities to be heard.
Strona 60 - For full information, inquiries should be addressed to the Registrar. Fellows and Associates are invited to communicate with the Registrar in any instance in which they are able to assist in securing appointments for qualified chemists.
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Strona 33 - ... been added, a pink color is developed. If the solution is allowed to stand perfectly quiet it will be noticed that the pink color is confined to certain spots or nodes on the surface. The pink color of the indicator is a proof of the presence of hydroxyl ions and thus indicates the negative poles. Many persons who are interested in the metallurgical problems connected with the iron and steel industry may not be familiar with the modern theory of indicators, and therefore...