Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 8
... acetic acid it furnishes a colourless com- pound , C25H22O2N2 . 5 - Dimethylaminoanilo - 3 : 4 - diphenylcyclopentene - I : 2- dione is deep red or orange , according to whether it sepa : rates from concentrated or dilute alcoholic ...
... acetic acid it furnishes a colourless com- pound , C25H22O2N2 . 5 - Dimethylaminoanilo - 3 : 4 - diphenylcyclopentene - I : 2- dione is deep red or orange , according to whether it sepa : rates from concentrated or dilute alcoholic ...
Strona 9
... acetic acid ( 2400 grms . ) was passed at an hourly rate of 50 cc . through a Jena - glass tube containing thorium oxide , and heated to 400 ° . The products of the reaction were condensed , dissolved in ether , and washed with a ...
... acetic acid ( 2400 grms . ) was passed at an hourly rate of 50 cc . through a Jena - glass tube containing thorium oxide , and heated to 400 ° . The products of the reaction were condensed , dissolved in ether , and washed with a ...
Strona 12
... Acetic Acids by the Atmospheric Oxida- tion of Turpentine , " by C. T. Kingzett and R. C. Woodcock . " Rapid Volumetric Method for the Determination of Free Sulphur , " by C. Davis and J. L. Foucar . " Relative Adsorption of Dyes by ...
... Acetic Acids by the Atmospheric Oxida- tion of Turpentine , " by C. T. Kingzett and R. C. Woodcock . " Rapid Volumetric Method for the Determination of Free Sulphur , " by C. Davis and J. L. Foucar . " Relative Adsorption of Dyes by ...
Strona 15
... acetic acid is to be avoided , as it tends to make the result too low , which is also the experience of of Mr. L. D. Havenhill of the committee . The best results were obtained by carrying out the details as follows : - Dissolve about o ...
... acetic acid is to be avoided , as it tends to make the result too low , which is also the experience of of Mr. L. D. Havenhill of the committee . The best results were obtained by carrying out the details as follows : - Dissolve about o ...
Strona 16
... acetic or formic acid or formaldehyde . In view of this fact , while there is no doubt that vegetable acids of this group are added to soils in large quantities and become temporarily , at least , a part of the organic matter of the ...
... acetic or formic acid or formaldehyde . In view of this fact , while there is no doubt that vegetable acids of this group are added to soils in large quantities and become temporarily , at least , a part of the organic matter of the ...
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