Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3745Chemical news office., 1932 |
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Strona 50
... pure precipitated salt was weighed in a porcelain boat and pure dry sulphur dioxide was passed over it whilst it was heated . The excess of sulphur dioxide was absorbed either in caustic potash or in water . The salt was found slowly to ...
... pure precipitated salt was weighed in a porcelain boat and pure dry sulphur dioxide was passed over it whilst it was heated . The excess of sulphur dioxide was absorbed either in caustic potash or in water . The salt was found slowly to ...
Strona 53
... pure protobitumen prepared by the acid hydrolysis of sugars . It reduces Fehling solution , and is free from metallic salts and organic derivatives of sulphur and nitrogen . Algarites are naturally occurring proto- bitumens , composed ...
... pure protobitumen prepared by the acid hydrolysis of sugars . It reduces Fehling solution , and is free from metallic salts and organic derivatives of sulphur and nitrogen . Algarites are naturally occurring proto- bitumens , composed ...
Strona 54
... Pure sugars Algarose Hydrolysis Impure sugars ex fucosite SECTION I. THE FORMATION OF OIL BY THE NATURAL DECOMPOSITION OF ALGÆ . The development of the Algal theory.- The Algal theory of the derivation of petroleum as distinct from the ...
... Pure sugars Algarose Hydrolysis Impure sugars ex fucosite SECTION I. THE FORMATION OF OIL BY THE NATURAL DECOMPOSITION OF ALGÆ . The development of the Algal theory.- The Algal theory of the derivation of petroleum as distinct from the ...
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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