Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3745Chemical news office., 1932 |
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Strona 50
... percentage of sulphate in the final substance . The sulphate was also estimated by precepitation as barium sul- phate and also by the increase in weight found on evaporating to dryness with sul- phuric acid and weighing the resultant ...
... percentage of sulphate in the final substance . The sulphate was also estimated by precepitation as barium sul- phate and also by the increase in weight found on evaporating to dryness with sul- phuric acid and weighing the resultant ...
Strona 54
... percentage of saturated paraffinic gases was small . Porter then pointed out that , by the natural decomposi- tion of marine vegetation under water , i.e. , at low temperatures , gases are evolved similar in composition to natural gases ...
... percentage of saturated paraffinic gases was small . Porter then pointed out that , by the natural decomposi- tion of marine vegetation under water , i.e. , at low temperatures , gases are evolved similar in composition to natural gases ...
Strona 55
... percentage of oxygen by weight would be small , and therefore diffi- cult to determine accurately , and we also know that vegetation is deprived of its oxy- gen content by bacterial action , etc. Taylor11 proved the suggestion , first ...
... percentage of oxygen by weight would be small , and therefore diffi- cult to determine accurately , and we also know that vegetation is deprived of its oxy- gen content by bacterial action , etc. Taylor11 proved the suggestion , first ...
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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