Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 167
... grams of zinc nitrate per liter ) . If a precipitate forms , add zinc nitrate solution until precipitation is complete and filter . Wash the residue with a solution of ammonium nitrate ( 1 g . of ammonium nitrate in 50 cc . of water ) ...
... grams of zinc nitrate per liter ) . If a precipitate forms , add zinc nitrate solution until precipitation is complete and filter . Wash the residue with a solution of ammonium nitrate ( 1 g . of ammonium nitrate in 50 cc . of water ) ...
Strona 168
... grams of potassium permanganate crystals . Place the solution in a small Erlenmeyer flask . The flask is fitted with a cork and a delivery tube , which dips into a solution of aniline acetate ( 10 ) ( 1 cc . of glacial acetic acid and 4 ...
... grams of potassium permanganate crystals . Place the solution in a small Erlenmeyer flask . The flask is fitted with a cork and a delivery tube , which dips into a solution of aniline acetate ( 10 ) ( 1 cc . of glacial acetic acid and 4 ...
Strona 170
... grams of concentrated sulphuric acid with 30 grams of phenol at the temper- ature of boiling water for six hours . This solution is used without dilution . Sensitivity of Nitrate Test . Conc . NO3 ( L. per cc . ) Volume of Phenol ...
... grams of concentrated sulphuric acid with 30 grams of phenol at the temper- ature of boiling water for six hours . This solution is used without dilution . Sensitivity of Nitrate Test . Conc . NO3 ( L. per cc . ) Volume of Phenol ...
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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