Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3748Chemical news office., 1932 |
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Strona 100
... separated and filtered off . The filtrate contained sugars , reduced Fehling solution , and yielded an osazone of a mixed nature ; it gave a precipitate with tungstic acid , thereby indicating the formation of tertiary amines , and also ...
... separated and filtered off . The filtrate contained sugars , reduced Fehling solution , and yielded an osazone of a mixed nature ; it gave a precipitate with tungstic acid , thereby indicating the formation of tertiary amines , and also ...
Strona 102
... separated out after cooling overnight and were hand - picked next morning . These were carefully recrystallised from about 10 ml . of water and dried in the desiccator . The melting point was 157 ° C .; arabinose re- quires 159-160 ° C ...
... separated out after cooling overnight and were hand - picked next morning . These were carefully recrystallised from about 10 ml . of water and dried in the desiccator . The melting point was 157 ° C .; arabinose re- quires 159-160 ° C ...
Strona 111
... separation of the taenite and plessite , and that the fragments had been partly re - dissolved in the residual melt , giving the reaction - rim of taenite . Finally , the plessite eutectic separated out in the small interspaces . An ...
... separation of the taenite and plessite , and that the fragments had been partly re - dissolved in the residual melt , giving the reaction - rim of taenite . Finally , the plessite eutectic separated out in the small interspaces . An ...
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12 per cent agreement amines ammonia amounted appearance aqueous bitumen brown burnt calcium carbon carried cent Chemical Chemical Industry chemistry chloroform clay clean Coal colour concentrated consist consumers contained described Dye Trust dyestuffs Economic effect elkerite evolved examination exchange Exports extract February fertilisers filtered firms fissures foreign formation formed four fucosite German give given Glucose heavy held hydrochloric acid hydrolysis industry INSTITUTE Italy January Keroles largely light Lignite lime liquor material ment metal methods million tons naphthenic acids natural nitrogen obtained osazone output period position potash Potash salts precipitate Presence properties proved quantities Rayon readily reduced regard remain reported rock salt Royal salts sample sand Science separated shares similar SOCIETY soda soluble solution sugars sulphate sulphuric acid swelled Syndicate tained tion trade turnover whole yielded