Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 18
... temperature . Its molecular weight , the above formula . The substance differs materially from as determined by the ... temperature . It proved to consist in liquid air , it became a deep bronze - green solid , but easily decomposed in ...
... temperature . Its molecular weight , the above formula . The substance differs materially from as determined by the ... temperature . It proved to consist in liquid air , it became a deep bronze - green solid , but easily decomposed in ...
Strona 19
... temperature ) to avoid overheating , " and hence super- lated amount of nitrogen was measured ; hence none was saturation was impossible . 2. The whole of the calcu- retained by the solution beyond the minimum quantity ( which is within ...
... temperature ) to avoid overheating , " and hence super- lated amount of nitrogen was measured ; hence none was saturation was impossible . 2. The whole of the calcu- retained by the solution beyond the minimum quantity ( which is within ...
Strona 21
... temperature of the experiments , the molecular condition of the ester , either undissolved or dissolved in chloroform . The rotatory power in glacial acetic acid was therefore measured , when a 5 per cent solution gave [ a ] p 15 -6002 ...
... temperature of the experiments , the molecular condition of the ester , either undissolved or dissolved in chloroform . The rotatory power in glacial acetic acid was therefore measured , when a 5 per cent solution gave [ a ] p 15 -6002 ...
Strona 23
... temperature and alkalinity . Monomethylamine can readily silicate and uranate . Potassium bisulphate acts on it be prepared by the action of potassium hypobromite on slowly at temperatures above its melting - point . acetamide ...
... temperature and alkalinity . Monomethylamine can readily silicate and uranate . Potassium bisulphate acts on it be prepared by the action of potassium hypobromite on slowly at temperatures above its melting - point . acetamide ...
Strona 25
... temperatures in the fusion with caustic alkali , I next tried attacking the minerals with potassium carbonate at a high temperature in nickel and iron crucibles . This plan was successful to a certain extent , but the nickel and iron ...
... temperatures in the fusion with caustic alkali , I next tried attacking the minerals with potassium carbonate at a high temperature in nickel and iron crucibles . This plan was successful to a certain extent , but the nickel and iron ...
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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