Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3748Chemical news office., 1932 |
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Strona 100
... material was obtained . This preci- pitate contained 22.8 per cent . of ash which contained calcium , iron magnesium , etc. The calcium present was in the form of the sulphate . The precipitate was washed with chloroform to remove ...
... material was obtained . This preci- pitate contained 22.8 per cent . of ash which contained calcium , iron magnesium , etc. The calcium present was in the form of the sulphate . The precipitate was washed with chloroform to remove ...
Strona 101
... material and its decom- position products during their passage through it . The distribution of fucosite in the clay samples was similar to that exist- ing in the sands . There were black veins of the material , and a brown colouration ...
... material and its decom- position products during their passage through it . The distribution of fucosite in the clay samples was similar to that exist- ing in the sands . There were black veins of the material , and a brown colouration ...
Strona 102
... material . Traces of free naphthenic acids are also present in fucosite . These can be isolated by extracting the solution obtained upon acidifying a freshly - made alkaline solution of the material with chloroform . The iso- lated ...
... material . Traces of free naphthenic acids are also present in fucosite . These can be isolated by extracting the solution obtained upon acidifying a freshly - made alkaline solution of the material with chloroform . The iso- lated ...
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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