Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 162
... acetone mixture . This was indicated by the fact that lead and silver ions gave slight precipitates when added to this filtrate ; the precipitates are soluble in dilute nitric acid 162 The Chemical News . September 16th , 1932 .
... acetone mixture . This was indicated by the fact that lead and silver ions gave slight precipitates when added to this filtrate ; the precipitates are soluble in dilute nitric acid 162 The Chemical News . September 16th , 1932 .
Strona 166
... Slight ppt . No ppt . Slight ppt . Heavy ppt . No ppt . No ppt . It was found that the addition of ethyl alcohol ( 50 per cent . of the volume of the aqueous solution ) increased the sensitivity to the point where 1 mg . of fluoride ion ...
... Slight ppt . No ppt . Slight ppt . Heavy ppt . No ppt . No ppt . It was found that the addition of ethyl alcohol ( 50 per cent . of the volume of the aqueous solution ) increased the sensitivity to the point where 1 mg . of fluoride ion ...
Strona 169
... Slight precipitate Slight precipitate Slight precipitate Cloudy precipitate Cloudy precipitate Cloudy precipitate Two cc . of the chlorate solution , 1 cc . of AgNO3 solution ( 20 mg . of Ag + per cc . ) and 1 cc . of NaNO2 ( 10 mg . of ...
... Slight precipitate Slight precipitate Slight precipitate Cloudy precipitate Cloudy precipitate Cloudy precipitate Two cc . of the chlorate solution , 1 cc . of AgNO3 solution ( 20 mg . of Ag + per cc . ) and 1 cc . of NaNO2 ( 10 mg . of ...
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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