Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 165
... Filter , wash , and reject the residue which consists largely of barium and calcium . carbonate . Add the washings to the filtrate . The filtrate contains sodium sulphate , oxa- late , fluoride , chromate , and carbonate . Make slightly ...
... Filter , wash , and reject the residue which consists largely of barium and calcium . carbonate . Add the washings to the filtrate . The filtrate contains sodium sulphate , oxa- late , fluoride , chromate , and carbonate . Make slightly ...
Strona 167
... filter and warm the clear filtrate to test for tartrate . GROUP TWO . Analysis of Group Two of the Anions . 1. Separation of Ferricyanide . To the filtrate from Group One , add 10 cc . of a solution containing 5 cc . of dilute nitric ...
... filter and warm the clear filtrate to test for tartrate . GROUP TWO . Analysis of Group Two of the Anions . 1. Separation of Ferricyanide . To the filtrate from Group One , add 10 cc . of a solution containing 5 cc . of dilute nitric ...
Strona 169
... Filter , and divide the filtrate in two parts . 4. Detection of Chlorate . To one - half of the filtrate from ( 3 ) add 1 cc . of a dilute solution of sodium nitrite and 1 cc . of dilute nitric acid . A heavy white precipitate , in ...
... Filter , and divide the filtrate in two parts . 4. Detection of Chlorate . To one - half of the filtrate from ( 3 ) add 1 cc . of a dilute solution of sodium nitrite and 1 cc . of dilute nitric acid . A heavy white precipitate , in ...
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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