Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 164
... test tube partially filled with water . Boil the water for a few minutes . If borate is present , the colour of the dry turmeric paper will be orange red ; and , when the paper is touched with a stirring rod which has been moistened ...
... test tube partially filled with water . Boil the water for a few minutes . If borate is present , the colour of the dry turmeric paper will be orange red ; and , when the paper is touched with a stirring rod which has been moistened ...
Strona 166
... test tube , this is still better evidence that the substance precipitated is lithium fluoride . Fluoride regularly belongs to the insoluble sub - group . The residue consisting of the barium and calcium salts of the anions of this sub ...
... test tube , this is still better evidence that the substance precipitated is lithium fluoride . Fluoride regularly belongs to the insoluble sub - group . The residue consisting of the barium and calcium salts of the anions of this sub ...
Strona 168
... tube , which dips into a solution of aniline acetate ( 10 ) ( 1 cc . of ... test for chloride ion is made . 10. Replacement of Silver in AgI and AgBr by ... test tube with a stirring rod to relieve super- saturation of solution . Filter ...
... tube , which dips into a solution of aniline acetate ( 10 ) ( 1 cc . of ... test for chloride ion is made . 10. Replacement of Silver in AgI and AgBr by ... test tube with a stirring rod to relieve super- saturation of solution . Filter ...
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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