Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 8
... colours when the reduction is effected with such large quantities of zinc and acid . This indicates reduction below the UO2 condition . Working in the presence of relatively small amounts of free acid such colour changes have not been ...
... colours when the reduction is effected with such large quantities of zinc and acid . This indicates reduction below the UO2 condition . Working in the presence of relatively small amounts of free acid such colour changes have not been ...
Strona 17
... colour is discharged from the coating on the tube to the highest point reached by the water . It is apparent that a coated tube can be used but once for a given depth , or for anything less than that depth , and that it must be re ...
... colour is discharged from the coating on the tube to the highest point reached by the water . It is apparent that a coated tube can be used but once for a given depth , or for anything less than that depth , and that it must be re ...
Strona 26
... colour on exposure to the gas , and that the former colours could not be restored either by alkalis or acids . He noticed further , that all metals were attacked when placed in it , and that when a drop of a solution of ammonia was ...
... colour on exposure to the gas , and that the former colours could not be restored either by alkalis or acids . He noticed further , that all metals were attacked when placed in it , and that when a drop of a solution of ammonia was ...
Strona 31
... colour of the ceric hydroxide , and on filtering the filtrate was found to contain a considerable amount of cerium earths free from cerium . method are , the convenience in the use of the bromine , and the apparent lack of tendency of ...
... colour of the ceric hydroxide , and on filtering the filtrate was found to contain a considerable amount of cerium earths free from cerium . method are , the convenience in the use of the bromine , and the apparent lack of tendency of ...
Strona 35
... colours the solutions yellow ; they become colour- less on warming . Ammonia produces at the ordinary temperature a yellow coloration which disappears on warming . Hydrazine hydrate decolorises the solution at the ordinary temperature ...
... colours the solutions yellow ; they become colour- less on warming . Ammonia produces at the ordinary temperature a yellow coloration which disappears on warming . Hydrazine hydrate decolorises the solution at the ordinary temperature ...
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