Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 3
... important to discover if there has been a change in the quality of the gas oils . Specific gravity tests and fractionations do not throw a great deal of light on the subject , but further tests are usually dispensed with , as they are ...
... important to discover if there has been a change in the quality of the gas oils . Specific gravity tests and fractionations do not throw a great deal of light on the subject , but further tests are usually dispensed with , as they are ...
Strona 4
... important of the open chain or aliphatic series . They are the principal constituents of Pennsylvania petroleum , and have been found in all petroleum except California ( Mabery and Hudson , Am . Chem . Fourn . , April , 1901 , p . 255 ) ...
... important of the open chain or aliphatic series . They are the principal constituents of Pennsylvania petroleum , and have been found in all petroleum except California ( Mabery and Hudson , Am . Chem . Fourn . , April , 1901 , p . 255 ) ...
Strona 21
... important when a suitable room of a constant temperature and free from draughts is not available . The fact that ... importance , since any standards based on such testing would be equally affected by such errors . It is , however ...
... important when a suitable room of a constant temperature and free from draughts is not available . The fact that ... importance , since any standards based on such testing would be equally affected by such errors . It is , however ...
Strona 23
... important representatives of the class and of the physical and chemical methods of investigating them . The detection of the constituents of the ethereal oils is next treated in detail , and the second half of the book gives , in ...
... important representatives of the class and of the physical and chemical methods of investigating them . The detection of the constituents of the ethereal oils is next treated in detail , and the second half of the book gives , in ...
Strona 24
... important because it is general and enables a large number of glycidic ethers to be prepared , starting with an a - 3 - ethylenic acid . Constitution of Vicianose and Vicianine -Gabriel Bertrand and G. Weisweiller . From the results of ...
... important because it is general and enables a large number of glycidic ethers to be prepared , starting with an a - 3 - ethylenic acid . Constitution of Vicianose and Vicianine -Gabriel Bertrand and G. Weisweiller . From the results of ...
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