Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3745Chemical news office., 1932 |
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Strona 52
... Protobitumen , ” as employed herein , is a chemical definition , and must not be confused with the commercial defini- tion as accepted by the International Com- mittee for the Standardisation of Nomen- clature and Tests of Road ...
... Protobitumen , ” as employed herein , is a chemical definition , and must not be confused with the commercial defini- tion as accepted by the International Com- mittee for the Standardisation of Nomen- clature and Tests of Road ...
Strona 53
... protobitumen which is insoluble in carbon disulphide . Kerols . That portion of the kerotenes which is soluble in both chloroform and pyridine . Keroles . - That portion of the kerotenes which is soluble in pyridine , but insoluble in ...
... protobitumen which is insoluble in carbon disulphide . Kerols . That portion of the kerotenes which is soluble in both chloroform and pyridine . Keroles . - That portion of the kerotenes which is soluble in pyridine , but insoluble in ...
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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