Chemical News and Journal of Industrial Science, Tomy 125-126Chemical news office., 1923 |
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Strona 3
... chloride were . prepared by the method of Law and Per- kin , and paranitrobenzaldehyde by that of V. V. Richter . 76 75 Molecular quantities of the two sub- stances , paratoluidin and paranitrobenzal- dehyde , are dissolved separately ...
... chloride were . prepared by the method of Law and Per- kin , and paranitrobenzaldehyde by that of V. V. Richter . 76 75 Molecular quantities of the two sub- stances , paratoluidin and paranitrobenzal- dehyde , are dissolved separately ...
Strona 14
... chloride or phosphoric anhydride into a tube electrically heated to about 200 ° C. contain- ing palladiumised asbestos . Here it com- bines with the oxygen of the air , which is continually drawn through the apparatus . and the water ...
... chloride or phosphoric anhydride into a tube electrically heated to about 200 ° C. contain- ing palladiumised asbestos . Here it com- bines with the oxygen of the air , which is continually drawn through the apparatus . and the water ...
Strona 29
... chloride of sodium and yttrium under the influence of an electric current , but a far more simple method is to fuse the ordinary yttrium chloride ( q.v. ) with an excess of sodium . The compounds , as examined , are as follows ...
... chloride of sodium and yttrium under the influence of an electric current , but a far more simple method is to fuse the ordinary yttrium chloride ( q.v. ) with an excess of sodium . The compounds , as examined , are as follows ...
Strona 30
... CHLORIDE UPON THE & ACID ALCOHOLS . - E . E. Blaise and Mlle . Montagne . When lactic and oxyisobuty- ric acids are treated with thionyl chloride , the chlorosulphite of the acid is not formed , but a compound of a new type , which the ...
... CHLORIDE UPON THE & ACID ALCOHOLS . - E . E. Blaise and Mlle . Montagne . When lactic and oxyisobuty- ric acids are treated with thionyl chloride , the chlorosulphite of the acid is not formed , but a compound of a new type , which the ...
Strona 39
... chloride as the solvent . Temperature , 15 ° C. Value of ' a ' = 23 ecms . Time in mins . Values of K = 2.3 log a ( a - x ) Thiosulphate used per 5 ccms . t 5 mins . 0.50 ccms . 0.00437 10 0.80 0.00354 15 2.20 0.00570 20 3.55 0.00835 25 ...
... chloride as the solvent . Temperature , 15 ° C. Value of ' a ' = 23 ecms . Time in mins . Values of K = 2.3 log a ( a - x ) Thiosulphate used per 5 ccms . t 5 mins . 0.50 ccms . 0.00437 10 0.80 0.00354 15 2.20 0.00570 20 3.55 0.00835 25 ...
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acid action added amount ANALYTICAL BALANCE appears application atoms British carbon carried cent Chem Chemical Chemistry chloride colloidal colour complete compounds considerable containing Continued course crystals described determined direct effect elements Engineers experiments fact further give given glucose heat important increase industry Institute interest iron LABORATORY lead less light liquid London manufacture March material matter means meeting ment metal method nature observed obtained organic oxide passed Patents plant position possible potassium practically precipitate prepared present Price Prof published pure quantities reaction referred regard salt Science separation shown Society sodium solution specific steel structure substance sulphuric temperature tion Trade tube University various volume weight