Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 163
... tion . Each residue contained approximately 500 mg . of the anion . The results are shown below . Anion Arsenite Borate Ferrocyanide Thiosulphate Tartrate Volume of boiling water required for complete Solution 175 cc . 50 cc . 200 cc ...
... tion . Each residue contained approximately 500 mg . of the anion . The results are shown below . Anion Arsenite Borate Ferrocyanide Thiosulphate Tartrate Volume of boiling water required for complete Solution 175 cc . 50 cc . 200 cc ...
Strona 167
... tion . If all of the residue does not dissolve , pour the filtrate over the paper a second time . Add a few more drops of sodium hydroxide , if necessary , to dissolve all of the residue . To the clear filtrate add 2 cc . of a dilute ...
... tion . If all of the residue does not dissolve , pour the filtrate over the paper a second time . Add a few more drops of sodium hydroxide , if necessary , to dissolve all of the residue . To the clear filtrate add 2 cc . of a dilute ...
Strona 168
... tion to avoid loss of hydrogen chloride . As much as 500 mg . of thiocyanate ion in 20 cc . of water is destroyed completely and rapidly without the application of heat by 5 cc . of concentrated sulphuric acid . This concentration of ...
... tion to avoid loss of hydrogen chloride . As much as 500 mg . of thiocyanate ion in 20 cc . of water is destroyed completely and rapidly without the application of heat by 5 cc . of concentrated sulphuric acid . This concentration 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