Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 162
... arsenite , arsenate and tartrate ions ( 10 mg . of the anion per cc . ) were mixed with equal 1 Duschak and Sneed ... arsenite , borate , thiosulphate , or ferrocyanide ( as sodium salts ) . However , 0.3 mg . of borate per cc . , 0.6 mg ...
... arsenite , arsenate and tartrate ions ( 10 mg . of the anion per cc . ) were mixed with equal 1 Duschak and Sneed ... arsenite , borate , thiosulphate , or ferrocyanide ( as sodium salts ) . However , 0.3 mg . of borate per cc . , 0.6 mg ...
Strona 164
... Arsenite . Place 20 cc . of the filtrate from ( 2 ) in a precipitation flask and add 4 cc . of dilute hydrocloric acid . Cool the solution and saturate with hydrogen sulphide . A yellow precipitate of arsenious sulphide is formed if ...
... Arsenite . Place 20 cc . of the filtrate from ( 2 ) in a precipitation flask and add 4 cc . of dilute hydrocloric acid . Cool the solution and saturate with hydrogen sulphide . A yellow precipitate of arsenious sulphide is formed if ...
Strona 165
... Arsenite . If arsenite was not found in step ( 4 ) , proceed to ( 15 ) ; if arsenite was found , proceed as follows . Acidify one- half of the filtrate from ( 8 ) with 4 cc . of dilute hydrochloric acid and saturate the cold solution ...
... Arsenite . If arsenite was not found in step ( 4 ) , proceed to ( 15 ) ; if arsenite was found , proceed as follows . Acidify one- half of the filtrate from ( 8 ) with 4 cc . of dilute hydrochloric acid and saturate the cold solution ...
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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