Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 164
... saturated solution of barium hydroxide . Heat the flask , if neces- sary , to drive the gas over into the barium hydroxide solution . If carbonate or sulphite is present , a white precipitate will form in the barium hydroxide solution ...
... saturated solution of barium hydroxide . Heat the flask , if neces- sary , to drive the gas over into the barium hydroxide solution . If carbonate or sulphite is present , a white precipitate will form in the barium hydroxide solution ...
Strona 167
... saturated solution of mercuric acetate ( 9 ) ; then make slightly acid with dilute acetic acid . Boil for about three minutes ; and then add 0.5 grams of sodium acetate crystals to the solution . Dilute to 20 cc . and filter . Wash the ...
... saturated solution of mercuric acetate ( 9 ) ; then make slightly acid with dilute acetic acid . Boil for about three minutes ; and then add 0.5 grams of sodium acetate crystals to the solution . Dilute to 20 cc . and filter . Wash the ...
Strona 168
... saturated solution of aniline in water ) . Warm the flask , if necessary , to drive the free chlorine into the ... saturation of solution . Filter and save the filtrate for step ( 3 ) . Transfer the residue to a test tube , and add 5 cc ...
... saturated solution of aniline in water ) . Warm the flask , if necessary , to drive the free chlorine into the ... saturation of solution . Filter and save the filtrate for step ( 3 ) . Transfer the residue to a test tube , and add 5 cc ...
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acetic acid acetone add 10 cc added addition alkaline alloys ammonium hydroxide analysis anions annealing arsenate arsenite barium and calcium barium nitrate boiling borate calcium nitrates carbonate Chem Chemical chloride chromate colour complete consisting containing Cool crystals cyanide Detection determine dilute discard dissolve distortion drops effect excess fatigue ferric ferrocyanide Filter filtrate flask fluoride followed formate forms give grams heat Heavy hydrogen hydroxide increase indicates insoluble Institution ions lead Lecture London material Mechanical metals methods minutes mixture moulds nickel obtained oxalate Patent phosphate plant portion potassium precipitate precipitate forms precipitation is complete present produced published reduction removed salts saturated Save Sensitivity Separation September shown silver Slight sodium soluble solution solution containing step studied Sub-Group sufficiently sulphide sulphuric acid tartrate temperature test tube thiocyanate thiosulphate tion various volume Wash the residue white precipitate wire Yellow