Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3748Chemical news office., 1932 |
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Strona 100
... chloroform to remove traces of adherent oil , and was then hydrolysed with a 5 per cent . sulphuric acid solution as before . The re- sultant solution contained tertiary amines , sugars and yielded oil upon chloroform ex- traction as in ...
... chloroform to remove traces of adherent oil , and was then hydrolysed with a 5 per cent . sulphuric acid solution as before . The re- sultant solution contained tertiary amines , sugars and yielded oil upon chloroform ex- traction as in ...
Strona 102
... chloroform . As before mentioned , fucosite contains traces of free oil which can be obtained by extraction by carbon disulphide in a Soxhlet apparatus . The yield varies from 0.3 to 0.5 per cent . on the dried weight of the material ...
... chloroform . As before mentioned , fucosite contains traces of free oil which can be obtained by extraction by carbon disulphide in a Soxhlet apparatus . The yield varies from 0.3 to 0.5 per cent . on the dried weight of the material ...
Strona 103
... chloroform , contains : Nitrogen 1.02 per cent . Sulphur Sample No. 4. - These pebbles were em- bedded in a black covering of elkerite . On scraping , the coating came off in flakes which appeared as transparent , irregular , yellow ...
... chloroform , contains : Nitrogen 1.02 per cent . Sulphur Sample No. 4. - These pebbles were em- bedded in a black covering of elkerite . On scraping , the coating came off in flakes which appeared as transparent , irregular , yellow ...
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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