Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3748Chemical news office., 1932 |
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Strona 99
... Extract . - A quantity of aqueous extract was made by enclosing the sand in a linen bag and placing the same in an autoclave containing water . The water was boiled until the steam pressure regis- tered 25lb./sq . in . , and after being ...
... Extract . - A quantity of aqueous extract was made by enclosing the sand in a linen bag and placing the same in an autoclave containing water . The water was boiled until the steam pressure regis- tered 25lb./sq . in . , and after being ...
Strona 100
... extract . Hydrolysis was continued for four days , during which time a precipitate resembling algarite was thrown down , separated and filtered off . The filtrate contained sugars , reduced Fehling solution , and yielded an osazone of a ...
... extract . Hydrolysis was continued for four days , during which time a precipitate resembling algarite was thrown down , separated and filtered off . The filtrate contained sugars , reduced Fehling solution , and yielded an osazone of a ...
Strona 102
... extraction with 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 ...
... extraction with 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 ...
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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