Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3745Chemical news office., 1932 |
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Strona 50
... increase in weight of the salt was used to find the 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 ...
... increase in weight of the salt was used to find the 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 ...
Strona 51
... increase in weight as on fusion it was found that the mass of salt swelled up and some of the substance was invari- ably lost . 99 99 99 33 99 99 Mean chloride , all methods 36.5 per cent . sulphate Assuming the substance to have the ...
... increase in weight as on fusion it was found that the mass of salt swelled up and some of the substance was invari- ably lost . 99 99 99 33 99 99 Mean chloride , all methods 36.5 per cent . sulphate Assuming the substance to have the ...
Strona 60
... increased by the flash , and that the main glow jumps to the activated surface . The process is reversible and hence may be periodic . Observations connecting the periodic time of jumps with the current through the tube are in support ...
... increased by the flash , and that the main glow jumps to the activated surface . The process is reversible and hence may be periodic . Observations connecting the periodic time of jumps with the current through the tube are in support ...
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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