Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 168
... reduction of silver must be complete . Re- ject the residue . The filtrate contains hydriodic and hydrobromic acids . 11. Detection of Iodide . To 5 cc . of the filtrate from ( 10 ) add 1 cc . of carbon di- sulphide and 2 cc . of a ...
... reduction of silver must be complete . Re- ject the residue . The filtrate contains hydriodic and hydrobromic acids . 11. Detection of Iodide . To 5 cc . of the filtrate from ( 10 ) add 1 cc . of carbon di- sulphide and 2 cc . of a ...
Strona 175
... reduction in area the distortion increases as the angle of taper increases ; ( 3 ) when the reduction in area is small and the angle of taper large so that the length of wire in contact with the draw- hole is small compared with its ...
... reduction in area the distortion increases as the angle of taper increases ; ( 3 ) when the reduction in area is small and the angle of taper large so that the length of wire in contact with the draw- hole is small compared with its ...
Strona
... Reduction For Fractional H. P. Motors . etc. WORM GEARS and OIL - TIGHT GEAR BOXES FROM STOCK WHITNEY LONDON As supplied to many Government Departments , Research Laboratories and Chemical Manufacturers . WHITNEY 129-131 , CITY ROAD ...
... Reduction For Fractional H. P. Motors . etc. WORM GEARS and OIL - TIGHT GEAR BOXES FROM STOCK WHITNEY LONDON As supplied to many Government Departments , Research Laboratories and Chemical Manufacturers . WHITNEY 129-131 , CITY ROAD ...
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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