Chemical News and Journal of Industrial Science, Tomy 31-32Chemical news office., 1875 |
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Strona 28
... determination of the alumina it was separated from the iron by means of tartaric acid and sulphide of ammonium , and weighed as Al2O3 + P2O5 ; the difference between this and the determined amount of P205 gave the quantity of alumina ...
... determination of the alumina it was separated from the iron by means of tartaric acid and sulphide of ammonium , and weighed as Al2O3 + P2O5 ; the difference between this and the determined amount of P205 gave the quantity of alumina ...
Strona 144
... determined , their oxides forming a chemical combination . 8. Silver and lead could not be determined . 9. Arsenic and antimony could not be determined . 10. Mercury and iron . 25 hours ; 19.6 instead of 20'5 milligrms . hours ; 10 and ...
... determined , their oxides forming a chemical combination . 8. Silver and lead could not be determined . 9. Arsenic and antimony could not be determined . 10. Mercury and iron . 25 hours ; 19.6 instead of 20'5 milligrms . hours ; 10 and ...
Strona 161
... determined by careful distillation after dilution with water , neutralisation with sodium hydrate , and addition of a little tannic acid to prevent foaming ; the specific gravity of the distillate and its absolute weight being finally ...
... determined by careful distillation after dilution with water , neutralisation with sodium hydrate , and addition of a little tannic acid to prevent foaming ; the specific gravity of the distillate and its absolute weight being finally ...
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acetic acid action adulterated alcohol aldehyd alkali alum alumina ammonia amount analysis aniline anthracen apparatus applied baryta Bill body boiling calcium carbonic acid cent CHEMICAL Chemistry chemists chloride chromic acid chrysene clause colour compound containing copper crystalline crystals decomposed decomposition dilute dissolved distilled ether evaporation experiments filter gases give glass grms heat hydrate hydrochloric acid hydrogen insoluble iodide iron liquid London magnesia magnet manufacture manure matter mercury metallic method methyl milk mineral mixed mixture nitrate nitric acid nitrogen obtained ordinary oxalate oxide oxygen paper patent phosphate phosphate of lime phosphoric acid plane platinum potash potassium powder precipitate present produced proportion Public Analysts pure pyrites quantity residue salts sample sesquioxide silicates silver Society sodium solid soluble solution substance sugar sulphate sulphide sulphuric acid tartaric tartaric acid temperature tion tube washed weight whilst wine zinc