Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 162
... calcium salts are easily soluble in an acetone - water mixture , and whose silver salts are soluble in water ... nitrates . Heavy precipitates were obtained in all cases , although there was no precipita- tion of any of these anions when ...
... calcium salts are easily soluble in an acetone - water mixture , and whose silver salts are soluble in water ... nitrates . Heavy precipitates were obtained in all cases , although there was no precipita- tion of any of these anions when ...
Strona 163
... calcium hydroxide . It was decided , there- fore , to precipitate group one from a slightly alkaline solution . The solution , containing barium and calcium nitrates , which is used for the precipitation was moderately con- centrated to ...
... calcium hydroxide . It was decided , there- fore , to precipitate group one from a slightly alkaline solution . The solution , containing barium and calcium nitrates , which is used for the precipitation was moderately con- centrated to ...
Strona 167
remove the excess of calcium nitrate . Dissolve the residue in 2 or 3 cc . of 12 N potassium hydroxide . Soluble K2 [ ( CaH , C , O ) 2O ] is formed . Warm the clear solution , and if tartrate is present , a white gelatinous precipitate ...
remove the excess of calcium nitrate . Dissolve the residue in 2 or 3 cc . of 12 N potassium hydroxide . Soluble K2 [ ( CaH , C , O ) 2O ] is formed . Warm the clear solution , and if tartrate is present , a white gelatinous precipitate ...
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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