Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
Z wnętrza książki
Wyniki 1 - 5 z 99
Strona 1
... METHOD NO . 1. - With regard to this process , Rose states that it would probably be preferable to any other if it did not require the use of silver crucibles , which are rather strongly attacked by caustic alkalis in a fused state ...
... METHOD NO . 1. - With regard to this process , Rose states that it would probably be preferable to any other if it did not require the use of silver crucibles , which are rather strongly attacked by caustic alkalis in a fused state ...
Strona 2
... METHOD NO . 3. - Treating with Hydrofluoric Acid or Fusing with Potassium Bifluoride ( L. Smith , W. Gibbs , and Marignac ) . The action of hydrofluoric acid on the various tantalic , niobic , and titanic acid containing minerals ...
... METHOD NO . 3. - Treating with Hydrofluoric Acid or Fusing with Potassium Bifluoride ( L. Smith , W. Gibbs , and Marignac ) . The action of hydrofluoric acid on the various tantalic , niobic , and titanic acid containing minerals ...
Strona 6
... method as here described is well adapted to ordinary laboratory work , and compares very favourably with the copper oxide method as usually employed in respect of economy in apparatus , gas , and time , and of the greatly increased ...
... method as here described is well adapted to ordinary laboratory work , and compares very favourably with the copper oxide method as usually employed in respect of economy in apparatus , gas , and time , and of the greatly increased ...
Strona 7
... method . The investigation was carried out under the guidance of the Director of these Laboratories , Professor M. A. Rosanoff , whom the writer wishes to thank again for his friendly interest and assistance in the work . Acknow ...
... method . The investigation was carried out under the guidance of the Director of these Laboratories , Professor M. A. Rosanoff , whom the writer wishes to thank again for his friendly interest and assistance in the work . Acknow ...
Strona 8
... method of Adie and Wood ( Journ . Chem . Soc . , lxxvii . , 1076 ) . No. Character of soil . I. Clay II . Clay III . Loam ( 1 ) Vol . 0'0074 0 ° 30 0.0068 0'27 0'0075 0'30 0 : 00 ნი 0'24 0.0058 0'23 2.5 0'0058 0 ° 23 Soil Method ...
... method of Adie and Wood ( Journ . Chem . Soc . , lxxvii . , 1076 ) . No. Character of soil . I. Clay II . Clay III . Loam ( 1 ) Vol . 0'0074 0 ° 30 0.0068 0'27 0'0075 0'30 0 : 00 ნი 0'24 0.0058 0'23 2.5 0'0058 0 ° 23 Soil Method ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
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