Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 2
... determined at tem- perature differences t1 and t2 . Then we have- = SI - S2 ( V1 + F ) - ( V2 + F ) VI - V2 11-12 = tx- t2 ti tz F = S - rt1 = SI - The value of F is most accurately determined when one value of t is nearly zero and the ...
... determined at tem- perature differences t1 and t2 . Then we have- = SI - S2 ( V1 + F ) - ( V2 + F ) VI - V2 11-12 = tx- t2 ti tz F = S - rt1 = SI - The value of F is most accurately determined when one value of t is nearly zero and the ...
Strona 3
... determined by ordinary tests . Some slight attempts have been made to determine the gas making properties of various gas oils by small scale experi- ments , but the most reliable information on the values of gas oils for gas making ...
... determined by ordinary tests . Some slight attempts have been made to determine the gas making properties of various gas oils by small scale experi- ments , but the most reliable information on the values of gas oils for gas making ...
Strona 25
... determined the melting- and freezing - points of a number of metals on the temperature scale defined by the platinum resistance thermometer calibrated in ice , steam , and sulphur vapour ( 444 70 ° on the constant volume nitrogen ...
... determined the melting- and freezing - points of a number of metals on the temperature scale defined by the platinum resistance thermometer calibrated in ice , steam , and sulphur vapour ( 444 70 ° on the constant volume nitrogen ...
Strona 29
... determined by difference . If manganese is present it is determined in a separate sample in a method given later , and is subtracted from the iron in the above . In white enamels containing only a trace of iron the manganese may be ...
... determined by difference . If manganese is present it is determined in a separate sample in a method given later , and is subtracted from the iron in the above . In white enamels containing only a trace of iron the manganese may be ...
Strona 30
... determined from this precipitate if desired ) . The solution still containing the manganese and cobalt is transferred to an Erlenmeyer flask fitted for passing in H2S , as before described , and 3 cc . strong ammonia is added . H2S is ...
... determined from this precipitate if desired ) . The solution still containing the manganese and cobalt is transferred to an Erlenmeyer flask fitted for passing in H2S , as before described , and 3 cc . strong ammonia is added . H2S is ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
absorption acetic acid action alcohol alkali alloy aluminium amalgam ammonia ammonium amount analysis apparatus aqueous atomic weight B.Sc benzene boiling bromine bulb calcium carbon carbon dioxide cent cerium Chem chemical chemistry chemists chloride cobalt colour compounds concentrated condenser constant containing copper crucible crystallisation crystals D.Sc decomposed decomposition density determined dilute dioxide dissolved distilled effect electric electrolyte ether ethyl evaporated experiments filtered flask formed fractions gases gives grms heat hemolysis hydrate hydrazine hydrochloric acid hydrogen hydrogen chloride hydroxide investigation iodide iron laboratory liquid melting mercury metal method mgrms mixture molecular molecules neodymium nitrate nitric acid nitrogen obtained ordinary oxide oxidised oxygen paper platinum potassium praseodymium precipitate prepared present pressure Prof pure quantity radium reaction reagent reduced residue salt sample silver Society sodium soluble solution solvent substances sulphate sulphuric acid temperature theory tion tube vapour volume zinc