Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 7
... shown that potassium may be esti mated with a fair degree of accuracy by precipitating it as potassium sodium cobalti - nitrite in a solution acidified with acetic acid and oxidising the precipitate with standard potassium permanganate ...
... shown that potassium may be esti mated with a fair degree of accuracy by precipitating it as potassium sodium cobalti - nitrite in a solution acidified with acetic acid and oxidising the precipitate with standard potassium permanganate ...
Strona 10
... shown in Fig . 1. Granting that this is the case in regard to last traces , it is easily shown that the hydrogen ions which would be supplied by a minute quantity of carbonic acid are of no more importance than the hydrogen ions ...
... shown in Fig . 1. Granting that this is the case in regard to last traces , it is easily shown that the hydrogen ions which would be supplied by a minute quantity of carbonic acid are of no more importance than the hydrogen ions ...
Strona 15
... shown in Fig . 2 . filled with pure freshly distilled water . The two clean Jena glass flasks , A and B , are three - quarters alcoholic solution of phenolphthalein indicator ( 1 grm . in Two drops of an 100 cc . pure alcohol ) are ...
... shown in Fig . 2 . filled with pure freshly distilled water . The two clean Jena glass flasks , A and B , are three - quarters alcoholic solution of phenolphthalein indicator ( 1 grm . in Two drops of an 100 cc . pure alcohol ) are ...
Strona 16
... shown that the electrolytic theory of the wet oxidation of iron is based on the premise that iron must first go into solution , an equivalent amount of hydrogen being set free . The resulting ferrous hydroxide in solution betrays its ...
... shown that the electrolytic theory of the wet oxidation of iron is based on the premise that iron must first go into solution , an equivalent amount of hydrogen being set free . The resulting ferrous hydroxide in solution betrays its ...
Strona 17
... shown , however , than by the rusting effect pro- duced by air and water . If a piece of polished steel is dipped into a 1 per cent solution of copper sulphate , a ten- second immersion is sufficient to plate it with a distinctly ...
... shown , however , than by the rusting effect pro- duced by air and water . If a piece of polished steel is dipped into a 1 per cent solution of copper sulphate , a ten- second immersion is sufficient to plate it with a distinctly ...
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acetic action alcohol alkali ammonia ammonium amount analysis antimony apparatus aqueous atomic weight B.Sc Bakelite barium boiling calcium calculated carbon cent Chem chemical Chemistry chloride colour columbite compounds concentration condensation containing copper crucible crystallisation decomposed derivatives determined dilute dioxide dissolved distilled effect electric electrodes electrolytic elements equation ether ethyl evaporated experiments extract filtered flask flour formed formula gases gives graphite grms guncotton heated hydrate hydrochloric acid hydrofluoric acid hydrogen hydroxide investigation iodine iron laboratory liquid metal method mgrm mineral mixture molecular molecules nitrate nitric acid nitrogen nitroglycerin observed obtained ordinary osmotic pressure oxalic oxalic acid oxide oxidised oxygen paper phenol platinum potassium precipitate prepared present Prof pure quantity radio-active radium reaction residue salt scandium shown silver Society sodium soluble solution solvent substance sulphate sulphide sulphuric acid tantalite tantalum tellurium temperature tion tube vapour volume yield