Chemical News and Journal of Industrial Science, Tomy 109-110Chemical news office., 1914 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 14
... mixture of those of yttrium , holmium , and dysprosium with traces of erbium , samarium , gadolinium , terbium , neodymium , and praseodymium . They were dis- solved in hydrochloric acid , the solution diluted and boiled with an excess ...
... mixture of those of yttrium , holmium , and dysprosium with traces of erbium , samarium , gadolinium , terbium , neodymium , and praseodymium . They were dis- solved in hydrochloric acid , the solution diluted and boiled with an excess ...
Strona 21
... mixture of acetic and hydrochloric acids . The monoacetyl derivative , C50H7608 ( OH ) CO CH3 , thus produced , on hydrolysis with alkali , yields the above - mentioned dihydroxy . compound . On oxidation with chromic acid , oleanone ...
... mixture of acetic and hydrochloric acids . The monoacetyl derivative , C50H7608 ( OH ) CO CH3 , thus produced , on hydrolysis with alkali , yields the above - mentioned dihydroxy . compound . On oxidation with chromic acid , oleanone ...
Strona 24
... mixture is oxidised by bichromate and the quantity of bi- chromate used is determined . In a second experiment the quantity of CO2 produced is estimated . The reactions- CH3OH + K2Cг2O7 + 4H2SO4 = w = K2SO4 + Cr2 ( SO4 ) 3 + CO2 + 6H2O ...
... mixture is oxidised by bichromate and the quantity of bi- chromate used is determined . In a second experiment the quantity of CO2 produced is estimated . The reactions- CH3OH + K2Cг2O7 + 4H2SO4 = w = K2SO4 + Cr2 ( SO4 ) 3 + CO2 + 6H2O ...
Strona 41
... mixture should take fire . Safety lamps , those lamps of gauze wire invented by the English chemist Davy , have prevented many accidents . These lamps , which to - day are but little used on account of the weak light they give , may be ...
... mixture should take fire . Safety lamps , those lamps of gauze wire invented by the English chemist Davy , have prevented many accidents . These lamps , which to - day are but little used on account of the weak light they give , may be ...
Strona 44
... Mixtures . Part I. Mixtures of partly Miscible Liquids and the Influence of Solubility . " BY RALPH PALLISER WORLEY ... mixture rule it obeys the other also ; when the surface tensions are greater than those calculated the vapour ...
... Mixtures . Part I. Mixtures of partly Miscible Liquids and the Influence of Solubility . " BY RALPH PALLISER WORLEY ... mixture rule it obeys the other also ; when the surface tensions are greater than those calculated the vapour ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
absorption acetate action active alcohol alkali alloy aluminium ammonium amount analysis anode apparatus aqueous atomic weight B.Sc benzene carbon dioxide cent Chem chemical Chemistry chloride colloidal colour compounds concentration containing copper crystallised curves D.Sc derivatives determined dilute dissolved distilled electric electrolyte electrons equation esters experiments formation formic acid gases gives glass heat Hedychium hydrochloric acid hydrogen hydroxide increase investigation iodide iodine ions iron liquid lithium perchlorate melting metal method methyl mixture molecular molecules nitrate nitric acid nitrogen observed obtained ordinary oxalic oxalic acid oxide oxygen paper passive phenol polarisation potassium precipitate present pressure Prof quantity radium rays reaction reagent residue rotation rotatory power salt shown silver Society sodium soluble solution solvent substances sulphate sulphide sulphuric acid surface tartaric acid temperature theory tion Trans tube ultra-violet vapour velocity volume W. H. PERKIN ΙΟ