Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3748Chemical news office., 1932 |
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Strona 100
... colour , and the aqueous solution gave a neutral reaction . Upon hydrolysis in a 5 per cent . by weight sulphuric ... coloured oil was extracted from the hydrolysed liquors by means of chloro- form in comparatively large quantity . As ...
... colour , and the aqueous solution gave a neutral reaction . Upon hydrolysis in a 5 per cent . by weight sulphuric ... coloured oil was extracted from the hydrolysed liquors by means of chloro- form in comparatively large quantity . As ...
Strona 102
... colour , but after recrystallisa- tion from hot water the colour was a lemon yellow . The crystals were dried overnight in the desiccator , over sulphuric acid . M.P. 157-158 ° C .; arabinose requires M.P. 158-150 ° C . = Another ...
... colour , but after recrystallisa- tion from hot water the colour was a lemon yellow . The crystals were dried overnight in the desiccator , over sulphuric acid . M.P. 157-158 ° C .; arabinose requires M.P. 158-150 ° C . = Another ...
Strona 109
... colour a new stimulus to life and pursues them most vigorously in its leisure hours . Their welcome influence on our home surroundings is already be- ginning to be felt , and in the near future will be more profound . The most advanced ...
... colour a new stimulus to life and pursues them most vigorously in its leisure hours . Their welcome influence on our home surroundings is already be- ginning to be felt , and in the near future will be more profound . The most advanced ...
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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