Elementary instruction in chemical analysis [tr. from Anleitung zur qualitativen chemischen Analyse] ed. by J.L. Bullock |
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Página 2
... mixture . Any substance whatever may of course become the object of a chemical analysis . In the present work , however , we purpose to confine ourselves to those elements and compounds which are more generally employed in pharmacy , in ...
... mixture . Any substance whatever may of course become the object of a chemical analysis . In the present work , however , we purpose to confine ourselves to those elements and compounds which are more generally employed in pharmacy , in ...
Página 7
... mixture of one part of hydrochloric acid or nitric acid with about nine parts of water , and letting it digest for several hours at a moderate heat . The fluid is then poured off , and the paper repeatedly washed with water ( finally ...
... mixture of one part of hydrochloric acid or nitric acid with about nine parts of water , and letting it digest for several hours at a moderate heat . The fluid is then poured off , and the paper repeatedly washed with water ( finally ...
Página 10
... mixture containing chloride of ammonium - is a matter of perfect indif- ference as regards the name given to the operation . The process of ignition is mostly employed , as has just been said , to effect the elimination of a volatile ...
... mixture containing chloride of ammonium - is a matter of perfect indif- ference as regards the name given to the operation . The process of ignition is mostly employed , as has just been said , to effect the elimination of a volatile ...
Página 12
... mixture of the substance under examination and of the deflagrating agent is projected in small portions into a red - hot crucible . Experiments of the latter description are invariably made with very minute quantities ; the process is ...
... mixture of the substance under examination and of the deflagrating agent is projected in small portions into a red - hot crucible . Experiments of the latter description are invariably made with very minute quantities ; the process is ...
Página 18
... mixture is kindled at f , it burns with a straight , bluish flame , entirely free from soot , which may be regulated at will by opening the stop - cock more or less ; a par- tial opening of the cock suffices to give a flame fully ...
... mixture is kindled at f , it burns with a straight , bluish flame , entirely free from soot , which may be regulated at will by opening the stop - cock more or less ; a par- tial opening of the cock suffices to give a flame fully ...
Palavras e frases frequentes
acetic acid acid solution addition alcohol alkaline earths alkaloids alumina ammonia antimony arsenic arsenious acid baryta bismuth blowpipe boiling carbonate of soda carbonic acid chloric acid chloride of ammonium chloride of barium cloth cobalt color colorless compounds contains copper crystalline crystals cyanide cyanide of potassium decomposed decomposition detection difficultly dilute solutions dissolves readily dryness ether evaporate examination excess ferrocyanide filter filtrate flame fluid heat hydrate hydrochloric acid hydrosulphuric acid ignition insoluble latter lead lime magnesia mercury metallic mixed mixture neutral nickel nitrate of silver nitric acid oxalic acid oxide phosphoric acid platinum portion powder PRECIPITATE IS FORMED quantity quina reaction reagent redissolves residue separation sesquioxide sesquioxide of chromium sesquioxide of iron silicic acid soluble in water solution of soda solutions of salts strontia strychnia suboxide substance sulphate sulphide sulphide of ammonium sulphuric acid tartaric acid teroxide tersulphide tint tion tube undissolved wash whilst white precipitate yellow zinc
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