Chemical News and Journal of Physical Science, Tom 109Chemical news office., 1914 |
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Strona 5
... obtained . For example , taking lactic acid , if its sodium salt be heated with soda - lime , the following reaction might take place : ciation of Chemical Societies in Brussels last September THE SCIENTIFIC WEEK . ( From Our Own Paris ...
... obtained . For example , taking lactic acid , if its sodium salt be heated with soda - lime , the following reaction might take place : ciation of Chemical Societies in Brussels last September THE SCIENTIFIC WEEK . ( From Our Own Paris ...
Strona 9
... obtained ; this is contrary to the experience of Willgerodt and Wikander ( Ber . , 1007 , xl . , 4068 ) , who considered that they obtained an unstable iododichloride . When 2 : 4 : 6 - tri- chloro - 3 - iodoaniline is treated with ...
... obtained ; this is contrary to the experience of Willgerodt and Wikander ( Ber . , 1007 , xl . , 4068 ) , who considered that they obtained an unstable iododichloride . When 2 : 4 : 6 - tri- chloro - 3 - iodoaniline is treated with ...
Strona 10
... obtained . It has now been shown that aceto - m - 4 - xylidide readily yields 2 : 5 - dimethylindole by this method . The reaction , however , was found not to be generally applicable since 2 : 4 xylylsuccinamic acid , C6H3Me2 NH CO CH2 ...
... obtained . It has now been shown that aceto - m - 4 - xylidide readily yields 2 : 5 - dimethylindole by this method . The reaction , however , was found not to be generally applicable since 2 : 4 xylylsuccinamic acid , C6H3Me2 NH CO CH2 ...
Strona 14
... obtained by dissolving yttrium hydroxide in dilute dimethyl phos- phoric acid . After stirring for some time the liquid became clear . The solution was then filtered and placed upon a water - bath , the temperature of the latter being ...
... obtained by dissolving yttrium hydroxide in dilute dimethyl phos- phoric acid . After stirring for some time the liquid became clear . The solution was then filtered and placed upon a water - bath , the temperature of the latter being ...
Strona 22
... obtained in quantity , a number of its simpler derivatives have been prepared . With regard to the nature of the ... obtained with organic sulphides , iodides , phosphines , amino - compounds , & c . It is found that the results obtained ...
... obtained in quantity , a number of its simpler derivatives have been prepared . With regard to the nature of the ... obtained with organic sulphides , iodides , phosphines , amino - compounds , & c . It is found that the results obtained ...
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Popularne fragmenty
Strona 63 - My strong impression is that the surface of the iron is oxidised, or that the superficial particles of the metal are in such relation to the oxygen of the electrolyte as to be equivalent to an oxidation; and that having thus their affinity for oxygen satisfied, and not being dissolved by the acid under the circumstances, there is no renewal of the metallic surface, no reiteration of the attraction of successive particles of the iron on the elements of successive portions of the electrolyte, and therefore...
Strona 161 - ... serves to correlate some properties of metals which at first sight would appear to bear no relation to each other; it leads, namely, to the fact that there is a parallelism between all the elastic properties of metals for which quantitative measurements have been made and the pressure — assumed to act on the solid phase, but not, or not to the same extent, on the liquid phase — which is required to lower the melting-point to ordinary temperature. This pressure is a function of the melting-point,...
Strona 180 - APPOINTMENTS REGISTER. — A Register of Fellows and Associates of the Institute of Chemistry who are available for appointments is kept at the Office of the Institute.
Strona 76 - INSTITUTE was held at the Institution of Civil Engineers, Great George Street, Westminster, on Thursday and Friday, May 7 and 8, 1914, Mr.
Strona 149 - NATURE [MARCH 19, 1914 that the metal acquires a negative charge during the catalytic combustion of gases in contact with it...
Strona 180 - Hostel. For Prospectus and Particulars apply to the DEAN (WILLIAM WRIGHT, MB, D.Sc., FRCS), who will be glad to make arrangements for any one wishing to see over the College and Hospital.
Strona 132 - Methods. Courses for Beginners, as well as for Advanced Students, in Physiology and Technology of Fermentations. Biological Analysts of Yeast. The Laboratory possesses a numerous collection of yeasts (brewers', distillers', wine, disease yeasts), moulds, and bacteria. Manual*: E. Chr. Haasen, " Practical Studies in Fermentation,
Strona 123 - Since the specific gravity of a substance is the weight of a unit volume of the substance compared, the susceptibilities may be converted into mass values by dividing the volume values...
Strona 195 - About 5CIU' of water was added, and then from 2cm> to 5cm3 of sulphuric acid. The water and excess of sulphuric acid were evaporated off by directing a small flame from the blast lamp nearly vertically downward upon the liquid. The evaporation required about fifteen minutes. The results obtained upon weighing the crucible and barium sulphate were satisfactory in three cases out of five, but in the other two cases there was loss. To prevent this a cone of fine platinum gauze was fitted into the mouth...