Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 166
... potassium ferric fluoride , K , FeFe , which is somewhat similar to cryolite , gave some promise . However , a great ... potassium acetate crystals and shake until dissolved . If no precipitate forms , scratch the wall of the test tube ...
... potassium ferric fluoride , K , FeFe , which is somewhat similar to cryolite , gave some promise . However , a great ... potassium acetate crystals and shake until dissolved . If no precipitate forms , scratch the wall of the test tube ...
Strona 167
... potassium hydroxide . Soluble K2 [ ( CaH , C , O ) 2O ] is formed . Warm the clear solution , and if tartrate is present , a white gelatinous precipitate of calcium tartrate is formed . This precipitate slowly dissolves on cooling . If ...
... potassium hydroxide . Soluble K2 [ ( CaH , C , O ) 2O ] is formed . Warm the clear solution , and if tartrate is present , a white gelatinous precipitate of calcium tartrate is formed . This precipitate slowly dissolves on cooling . If ...
Strona 168
... 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 cc . 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 cc . 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