Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3745Chemical news office., 1932 |
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Strona 50
... substance left in the boat showed the presence of chloride , sulphur and sul- phate . The sulphur was always deposited in the cooler parts of the tube . The water was boiled until free from any reducing action of potassium permanganate ...
... substance left in the boat showed the presence of chloride , sulphur and sul- phate . The sulphur was always deposited in the cooler parts of the tube . The water was boiled until free from any reducing action of potassium permanganate ...
Strona 51
... 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 formula a Na , SO , y NaCl we have 96x SO1 33 Cl 36.5 1 .. x / y = 35.5y 2.991 3 We may ...
... 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 formula a Na , SO , y NaCl we have 96x SO1 33 Cl 36.5 1 .. x / y = 35.5y 2.991 3 We may ...
Strona 57
... substance which yields furfural . It is probably that this is produced transi- tionally in the degradation of cellulose , although there is scanty support for this theory . Nearly all the iodine present in seaweed ( Okuda and Eto26 ) is ...
... substance which yields furfural . It is probably that this is produced transi- tionally in the degradation of cellulose , although there is scanty support for this theory . Nearly all the iodine present in seaweed ( Okuda and Eto26 ) is ...
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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