Elementary instruction in chemical analysis [tr. from Anleitung zur qualitativen chemischen Analyse] ed. by J.L. Bullock |
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Página 22
... colorless , inodorous , and taste- less , and must leave no residue upon evaporation in a platinum vessel . Sulphide of ammonium must not alter it ( copper , lead , iron ) ; its transparency must not be in the least impaired by basic ...
... colorless , inodorous , and taste- less , and must leave no residue upon evaporation in a platinum vessel . Sulphide of ammonium must not alter it ( copper , lead , iron ) ; its transparency must not be in the least impaired by basic ...
Página 25
... colorless ; when colorless solution of sulphate of protoxide of iron is poured upon it in a test tube , no red tint must mark the line of contact of the two fluids ( nitric acid , hypo- nitric acid ) ; when diluted with twenty parts of ...
... colorless ; when colorless solution of sulphate of protoxide of iron is poured upon it in a test tube , no red tint must mark the line of contact of the two fluids ( nitric acid , hypo- nitric acid ) ; when diluted with twenty parts of ...
Página 26
... colorless , and leave no residue upon evaporation on platinum foil . Additions of solution of nitrate of silver , or of nitrate of baryta , must not cause the slightest turbidity in it . It is advisable to dilute the acid with water ...
... colorless , and leave no residue upon evaporation on platinum foil . Additions of solution of nitrate of silver , or of nitrate of baryta , must not cause the slightest turbidity in it . It is advisable to dilute the acid with water ...
Página 27
... colorless , and leave no residue upon evapo- ration . It must not impart a blue tint to a solution of iodide of potas- sium mixed with starch paste ( chlorine ) , nor discolor a fluid made faintly blue with iodide of starch ( sulphurous ...
... colorless , and leave no residue upon evapo- ration . It must not impart a blue tint to a solution of iodide of potas- sium mixed with starch paste ( chlorine ) , nor discolor a fluid made faintly blue with iodide of starch ( sulphurous ...
Página 35
... colorless , and as free as possible from carbonic acid ; sulphide of ammo- nium must not impart a black color to it . Traces of silicic acid , alumina , and phosphoric acid , are usually found in a solution of soda prepared in this ...
... colorless , and as free as possible from carbonic acid ; sulphide of ammo- nium must not impart a black color to it . Traces of silicic acid , alumina , and phosphoric acid , are usually found in a solution of soda prepared in this ...
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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