Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3748Chemical news office., 1932 |
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Strona 99
... sulphuric acid , which destroyed the paper and linen containers in which the samples were packed . On washing the sand with water , a brown solution containing 1.82 per cent . of organic matter was obtained , calculated on the sample ...
... sulphuric acid , which destroyed the paper and linen containers in which the samples were packed . On washing the sand with water , a brown solution containing 1.82 per cent . of organic matter was obtained , calculated on the sample ...
Strona 100
... 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 seaweed extract . Hydrolysis was continued for four days , during which time a ...
... 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 seaweed extract . Hydrolysis was continued for four days , during which time a ...
Strona 102
... sulphuric acid . M.P. 157-158 ° C .; arabinose requires M.P. 158-150 ° C . = Another osazone was also obtained , melt- ing at 127-134 ° C. Fucosazone melts at 130-140 ° C . The decolorised liquor was also tested in the polariscope , and ...
... sulphuric acid . M.P. 157-158 ° C .; arabinose requires M.P. 158-150 ° C . = Another osazone was also obtained , melt- ing at 127-134 ° C. Fucosazone melts at 130-140 ° C . The decolorised liquor was also tested in the polariscope , and ...
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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