Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 163
... tartrate ; this precipitate was not calcium hydroxide . It was decided , there- fore , to precipitate group one from a slightly alkaline solution . The solution , containing barium and calcium nitrates , which is used for the ...
... tartrate ; this precipitate was not calcium hydroxide . It was decided , there- fore , to precipitate group one from a slightly alkaline solution . The solution , containing barium and calcium nitrates , which is used for the ...
Strona 167
... tartrate is present , a white gelatinous precipitate of calcium tartrate is formed . This precipitate slowly dissolves on cooling . If all of the precipi- tate does not dissolve in the potassium hydroxide solution , filter and warm the ...
... tartrate is present , a white gelatinous precipitate of calcium tartrate is formed . This precipitate slowly dissolves on cooling . If all of the precipi- tate does not dissolve in the potassium hydroxide solution , filter and warm the ...
Strona 169
... tartrate , borate and fluoride . Tartrate pre- vents the precipitation of compounds con- taining copper and acetate , and borate and fluoride give insoluble cupric salts . Calcium nitrate is added to precipitate tartrate and fluoride ...
... tartrate , borate and fluoride . Tartrate pre- vents the precipitation of compounds con- taining copper and acetate , and borate and fluoride give insoluble cupric salts . Calcium nitrate is added to precipitate tartrate and fluoride ...
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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