Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 3
... sodium carbonate and sulphur . Why such an enormous excess of alkaline sulphide is used is not apparent . Rose states , however , that this fusion converts a good deal of the acids into insoluble sodium tantalates and niobates , and ...
... sodium carbonate and sulphur . Why such an enormous excess of alkaline sulphide is used is not apparent . Rose states , however , that this fusion converts a good deal of the acids into insoluble sodium tantalates and niobates , and ...
Strona 6
... sodium corresponding to the reaction R.Hlg + C2H5.OH + 2Na Na . Hig + C2H5.ONa + R.H. When the reaction is over he ... sodium if the compound contains chlorine , or 8.5 grms . of sodium if the compound contains bromine , or 55 grms . of ...
... sodium corresponding to the reaction R.Hlg + C2H5.OH + 2Na Na . Hig + C2H5.ONa + R.H. When the reaction is over he ... sodium if the compound contains chlorine , or 8.5 grms . of sodium if the compound contains bromine , or 55 grms . of ...
Strona 7
of sodium corresponding to the chemical equation given in the preceding section , assuming the substance analysed to contain 100 per cent halogen ) . This operation should be extended over at least thirty minutes . Toward the end of the ...
of sodium corresponding to the chemical equation given in the preceding section , assuming the substance analysed to contain 100 per cent halogen ) . This operation should be extended over at least thirty minutes . Toward the end of the ...
Strona 8
... sodium cobalti - nitrite prepared according to the 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 ...
... sodium cobalti - nitrite prepared according to the 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 ...
Strona 20
... sodium ethoxide on ethyl -imino a cyano y phenylbutyrate , CH2Ph C ( NH ) CH ( CN ) CO2Et , which yields , in the ... Sodium Thiosulphate and Organic Halogen Compounds . Part III . " By ARTHUR SLATOR and DOUGLAS FRANK TwISS . The ...
... sodium ethoxide on ethyl -imino a cyano y phenylbutyrate , CH2Ph C ( NH ) CH ( CN ) CO2Et , which yields , in the ... Sodium Thiosulphate and Organic Halogen Compounds . Part III . " By ARTHUR SLATOR and DOUGLAS FRANK TwISS . The ...
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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