Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 165
... insoluble in nitric acid , indicates the presence of sulphate . Filter . The filtrate contains the chromate ion . 13. Detection of Chromate . To 5 cc . of the filtrate from ( 12 ) and 1 cc . of hydrogen peroxide and 2 cc . of ether ...
... insoluble in nitric acid , indicates the presence of sulphate . Filter . The filtrate contains the chromate ion . 13. Detection of Chromate . To 5 cc . of the filtrate from ( 12 ) and 1 cc . of hydrogen peroxide and 2 cc . of ether ...
Strona 166
... insoluble potassium ferric fluoride , K , FeFe , which is somewhat similar to cryolite , gave some promise . However , a great many ferric compounds are insoluble and mask any pre- cipitate which fluoride may give . Even in a solution ...
... insoluble potassium ferric fluoride , K , FeFe , which is somewhat similar to cryolite , gave some promise . However , a great many ferric compounds are insoluble and mask any pre- cipitate which fluoride may give . Even in a solution ...
Strona 169
... insoluble . Silver nitrate removes all of these sufficiently except tartrate , borate and fluoride . Tartrate pre- vents the precipitation of compounds con- taining copper and acetate , and borate and fluoride give insoluble cupric ...
... insoluble . Silver nitrate removes all of these sufficiently except tartrate , borate and fluoride . Tartrate pre- vents the precipitation of compounds con- taining copper and acetate , and borate and fluoride give insoluble cupric ...
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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