Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3748Chemical news office., 1932 |
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Strona 99
... Aqueous 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 ...
... Aqueous 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 ...
Strona 100
... aqueous solution gave a neutral reaction . Upon hydrolysis in a 5 per cent . by weight sulphuric acid solution , it was noticed that a skin formed on the surface of the liquid in the same way as it forms on the surface of the aqueous ...
... aqueous solution gave a neutral reaction . Upon hydrolysis in a 5 per cent . by weight sulphuric acid solution , it was noticed that a skin formed on the surface of the liquid in the same way as it forms on the surface of the aqueous ...
Strona 103
... aqueous sodium hydroxide solution . The keroles swell and sinter at 220 ° C. , while the kerols swell and sinter at 180 ° C. On fur- ther heating they evolve water , oil , traces of ammonia , and sulphuretted hydrogen . ... 2.50 99 99 ...
... aqueous sodium hydroxide solution . The keroles swell and sinter at 220 ° C. , while the kerols swell and sinter at 180 ° C. On fur- ther heating they evolve water , oil , traces of ammonia , and sulphuretted hydrogen . ... 2.50 99 99 ...
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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