The Chemical News and Journal of Industrial Science, Tom 1221921 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 2
... substance , i.e. , = Molecular weight Molecular volume or m V. Density d The molecular refractivity of a pure ... substances containing it . And yet Dr. Cohen says : " With a delicate balance it is possible to estimate specific gravities ...
... substance , i.e. , = Molecular weight Molecular volume or m V. Density d The molecular refractivity of a pure ... substances containing it . And yet Dr. Cohen says : " With a delicate balance it is possible to estimate specific gravities ...
Strona 3
... substances , A and B , which are similar in all respects , except that A has 5 methylene groups in its constitution and B 6 ; and suppose A boils at 120 ° C. and B at 150 ° C. At 120 ° the volume of CH , in each substance will be the ...
... substances , A and B , which are similar in all respects , except that A has 5 methylene groups in its constitution and B 6 ; and suppose A boils at 120 ° C. and B at 150 ° C. At 120 ° the volume of CH , in each substance will be the ...
Strona 4
... substances at their various boiling points , if absolute regularity can be demonstrated to exist at a fixed temperature , of course the ques- tion as to which method of procedure is correct will be settled . And if this regularity ...
... substances at their various boiling points , if absolute regularity can be demonstrated to exist at a fixed temperature , of course the ques- tion as to which method of procedure is correct will be settled . And if this regularity ...
Strona 5
... substance by extraction with ether result- ing in compounds of the nitrolic acid type . In Like phenol phthalein , the substance cannot be used as an indicator in the presence of CO2 . the absence of CO2 , very good results were ...
... substance by extraction with ether result- ing in compounds of the nitrolic acid type . In Like phenol phthalein , the substance cannot be used as an indicator in the presence of CO2 . the absence of CO2 , very good results were ...
Strona 7
... substance as a food and its limitations . They may also be of some interest in showing that the best time to cut bracken in order to weaken the rhizome is just when the frond is fully expanded . - Transactions of the Highland and ...
... substance as a food and its limitations . They may also be of some interest in showing that the best time to cut bracken in order to weaken the rhizome is just when the frond is fully expanded . - Transactions of the Highland and ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetate alcohol alkali ammonia ammonium amount analysis apparatus application atoms augite boiling British calcium calcium hydride carbon dioxide cent Chem Chemical Chemistry chemists chloride cobalt colour compounds concentration containing copper crystals D.Sc density deposit determined diamonds distillation effect Electrical electrolysis elements experiments Faraday Society filter flocculation fluoride gallium give glass grms H₂O heat hydrazine hydrochloric acid hydrofluoric acid hydrogen hydroxide industry iron lime liquid London LUDGATE HILL luminescence manufacture material ment Messrs metal method mixture molecular molecules nickel nitrate nitrogen obtained oxide oxygen paper particles Patent phenyl phosphate phosphorescence phosphorus plant potassium precipitate present pressure Prof pure quantity reaction Royal Institution Royal Society salts SHOE LANE silica slag sodium sodium hydroxide soil solid soluble solution specimens substance sulphate sulphide sulphuric acid surface Table temperature theory tion Trade tube vapour volume zinc