Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 26
... pure aurin being left behind , but it ap- showed , were pure aurin . On treating the original crystals with water they become dull and brownish red , the solution containing acetic and hydrochloric acids . It therefore seemed not ...
... pure aurin being left behind , but it ap- showed , were pure aurin . On treating the original crystals with water they become dull and brownish red , the solution containing acetic and hydrochloric acids . It therefore seemed not ...
Strona 31
... pure oxide of lead , thus confirming an old dictum of lead - smelters , that oxide of lead is more difficult to condense than the oxides of the accompanying metals . One thing I did not mention , which has indeed nothing to do with the ...
... pure oxide of lead , thus confirming an old dictum of lead - smelters , that oxide of lead is more difficult to condense than the oxides of the accompanying metals . One thing I did not mention , which has indeed nothing to do with the ...
Strona 33
... pure Sb behind . It is also worthy of notice that when hydrogen is evolved by action of Zn , or still better Al , on potassium hydrate , if phosphorus be present , the colour of the ignited gas will be a beautiful green . The least ...
... pure Sb behind . It is also worthy of notice that when hydrogen is evolved by action of Zn , or still better Al , on potassium hydrate , if phosphorus be present , the colour of the ignited gas will be a beautiful green . The least ...
Strona 34
... pure saltpetre with xanthogenate and soda - lime , obtained almost exactly the whole of the nitrogen present in the state of ammonia . MISCELLANEOUS . Royal Institution of Great Britain . - The Managers have decided that the next A ...
... pure saltpetre with xanthogenate and soda - lime , obtained almost exactly the whole of the nitrogen present in the state of ammonia . MISCELLANEOUS . Royal Institution of Great Britain . - The Managers have decided that the next A ...
Strona 35
... pure or , better still , distilled water . The real saffron will retain its fine red colour after hours , whilst the Feminelle will lose its artificial tint within a short time . To detect an admixture of Honey and Barytes it is merely ...
... pure or , better still , distilled water . The real saffron will retain its fine red colour after hours , whilst the Feminelle will lose its artificial tint within a short time . To detect an admixture of Honey and Barytes it is merely ...
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acetic acid action alcohol alizarin alkali ammonia amount analysis aniline apparatus atomic aurin blue body boiling Boy Court calcium carbon carbonic acid cent chambers CHEMICAL NEWS Office Chemical Notices Chemistry chemists chloric acid chloride College colour compounds containing copper crystallisation crystals determined detonation dilute dissolved distillation ether experiments explosive formed furnace gases give glass grms gun-cotton heat hydrochloric acid hydrogen iodide iodine iron Laboratory lime lines liquid London Ludgate Hill magnetic manganese manufacture Messrs metal method mixture molecular molecules nitrate nitre nitric acid nitrogen Notices from Foreign obtained ordinary organic matter oxide oxidised oxygen paper Patent phosphorus plates platinum potash potassium precipitate present produced Prof quantity reaction residue Royal salts sample Society soda sodium soluble solution specific gravity spectrum substance sugar sulphate sulphide sulphuric acid temperature terpene tion tube vapour weight William zinc