Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3745Chemical news office., 1932 |
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Strona 51
... extract . A point in favour of Professor Aarto- vaara's substance as a sample likely to con- tain the element , is that it is radio - active . This is to be expected in view of the element's close proximity to radium in the periodic ...
... extract . A point in favour of Professor Aarto- vaara's substance as a sample likely to con- tain the element , is that it is radio - active . This is to be expected in view of the element's close proximity to radium in the periodic ...
Strona 56
... extract of a species of gelidium . In the case of chondras , the average molecular weight of the aqueous extract was 1000.16 . The proof of the existence of an ethereal sulphate depended on the fact that the percentage of sulphate ...
... extract of a species of gelidium . In the case of chondras , the average molecular weight of the aqueous extract was 1000.16 . The proof of the existence of an ethereal sulphate depended on the fact that the percentage of sulphate ...
Strona 58
... extract became strongly acid , due to the formation of free on Oil sulphuric acid . It was also observed that by blowing the aqueous extract with air for some time that a similar kind of reaction took place . Assuming that in nature ...
... extract became strongly acid , due to the formation of free on Oil sulphuric acid . It was also observed that by blowing the aqueous extract with air for some time that a similar kind of reaction took place . Assuming that in nature ...
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Aartovaara acid hydrolysis algæ Algal theory Algarose alginic acid alkaline amines and ammonium ammonium salts anærobic Antiarchi aqueous extract bacteria Biol bitumen Bothriolepis Brunner Mond calcium salts calcium sulphate carbohydrate carbon cent Chem chondrus crispus D.Sc decomposed Devonian Dyestuffs East of Scotland Edinburgh and East element Elkerite Engler ethereal sulphate felsite fucosan fucose Fucosite galactose gases Haas Heterostraci home-made caustic soda hydrocarbon hydrofluoric acid Hydrolysis Algarite increase in weight insoluble INSTITUTE OF CHEMISTRY January Joint meeting kerotenes London Manchester Section marine vegetation Meggers mutual inductance naturally occurring Newry Granite nitrogen North-West Belt obtained oils and bitumens optical organic matter Oxidation oxygen Papish Patents pentosan percentage of sulphate petroleum phate present protobitumen Pseudo-fucosite radio-active ring-dyke Scotland Section seaweed sodium chloride soluble South Wales South Wales Section Southampton Build substance sugars sulphur deposits sulphur dioxide sulphuric acid tear-faults temperatures tertiary amines tion trioxide tube Upper Devonian vegetable theory yielded