Chemical News and Journal of Industrial Science, Tomy 107-108Chemical news office., 1913 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 6
... appears to be a general one , as it takes place when di- and tetra - chlorophthalic or succinic an- hydrides are used instead of phthalic anhydride , and when diethyl - m - aminophenol is substituted for resorcinol . Con- densation ...
... appears to be a general one , as it takes place when di- and tetra - chlorophthalic or succinic an- hydrides are used instead of phthalic anhydride , and when diethyl - m - aminophenol is substituted for resorcinol . Con- densation ...
Strona 16
... appear to have been previously described in print , it may prove of interest to others . A vertical glass tube , 2-2 cm ... appears from the above considerations that there is a marked tendency for atomic weights to approximate to values ...
... appear to have been previously described in print , it may prove of interest to others . A vertical glass tube , 2-2 cm ... appears from the above considerations that there is a marked tendency for atomic weights to approximate to values ...
Strona 17
... appears . A large excess of formic acid throws down a precipitate at once . No precipitate is obtained using any concentration of acid with the nitrates of the yttrium group in acetone even after allowing to stand for forty - eight ...
... appears . A large excess of formic acid throws down a precipitate at once . No precipitate is obtained using any concentration of acid with the nitrates of the yttrium group in acetone even after allowing to stand for forty - eight ...
Strona 23
... appears to be no reason to think that it will not see even greater ex- tension in the near future owing to the increased use of its valuable by - product , raw spirit . This text - book for students and practical men by an author who ...
... appears to be no reason to think that it will not see even greater ex- tension in the near future owing to the increased use of its valuable by - product , raw spirit . This text - book for students and practical men by an author who ...
Strona 29
... appear that the manufacturers have perfected the methods of reduction from ore and matte to such a degree as nearly to control the composition . In the present process of manufacture , the claim is made that the physical properties of ...
... appear that the manufacturers have perfected the methods of reduction from ore and matte to such a degree as nearly to control the composition . In the present process of manufacture , the claim is made that the physical properties of ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
absorption acetic acetone actinium action alcohol alkali alloy ammonia ammonium amount analysis apparatus aqueous atomic weight B.Sc boiling bromine calcium carbon cent cerium Chem chemical Chemistry chemists chloride colour compounds concentrated condenser containing copper crystallisation crystals decomposed decomposition density derivatives determined dilute dioxide dissolved distillate electric electrolytic elements erbium ether experiments explosives filter formation formula fraction gases gives grms heated holmium hydrate hydrochloric acid hydrofluoric acid hydrogen hydroxide investigation iodide iodine iron lanthanum liquid melting metal method methyl mgrms mixture molecular molecules neodymium nickel nitrate nitric acid nitrogen nitroglycerin obtained ordinary osmotic pressure oxide oxidised oxygen paper platinum potassium potassium nitrite precipitate prepared present Prof pure quantity reaction residue salt shown silver Society sodium soluble solution solvent sublimate substance sulphate sulphide sulphuric acid temperature thorium tion Trans tube vapour yellow yield yttrium zinc