Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3745Chemical news office., 1932 |
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Strona 52
... derivatives ) which can be gaseous , liquid , semi - solid or solid , and which are completely soluble in carbon di- sulphide . " Protobitumen is a partially reduced † car- bohydrate which , upon further or total reduction , yields oil ...
... derivatives ) which can be gaseous , liquid , semi - solid or solid , and which are completely soluble in carbon di- sulphide . " Protobitumen is a partially reduced † car- bohydrate which , upon further or total reduction , yields oil ...
Strona 53
... derivatives of sulphur and nitrogen . Algarites are naturally occurring proto- bitumens , composed chiefly of algarose , together with the metallic salts , sulphur , and the nitrogenous organic derivatives simultaneously formed during ...
... derivatives of sulphur and nitrogen . Algarites are naturally occurring proto- bitumens , composed chiefly of algarose , together with the metallic salts , sulphur , and the nitrogenous organic derivatives simultaneously formed during ...
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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