Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 163
... boiling water required for complete Solution 175 cc . 50 cc . 200 cc . 125 cc . 100 cc . The other barium and calcium salts were not appreciably dissolved by 200 cc . of boil- ing water . This procedure offers , therefore , a ready ...
... boiling water required for complete Solution 175 cc . 50 cc . 200 cc . 125 cc . 100 cc . The other barium and calcium salts were not appreciably dissolved by 200 cc . of boil- ing water . This procedure offers , therefore , a ready ...
Strona 164
... boiling ; if arsen- ate is present , a yellow precipitate consist- ing of sulphur and arsenious sulphide will form . If no precipitate forms , however , this is not conclusive proof that arsenate is absent . ( See 15. ) 5. Detection of ...
... boiling ; if arsen- ate is present , a yellow precipitate consist- ing of sulphur and arsenious sulphide will form . If no precipitate forms , however , this is not conclusive proof that arsenate is absent . ( See 15. ) 5. Detection of ...
Strona 165
... boiling . Filter and wash the residue with water . Discard the filtrate and washings which contain any tartrate which may have been present . Dissolve the residue in 10 cc . of 3 N nitric acid by pour- ing the acid over the residue on ...
... boiling . Filter and wash the residue with water . Discard the filtrate and washings which contain any tartrate which may have been present . Dissolve the residue in 10 cc . of 3 N nitric acid by pour- ing the acid over the residue on ...
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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