Chemical News and Journal of Physical Science, Tom 104Chemical news office., 1911 |
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Strona 12
... potassium iodide acidified with acetic acid . With alkaline carbonates and hydroxides , MnO2 is set free , the decomposition taking place according to the equation MnSe206 → SeO2 + 2SeO2 . When heated to 400 ° at atmospheric pressure ...
... potassium iodide acidified with acetic acid . With alkaline carbonates and hydroxides , MnO2 is set free , the decomposition taking place according to the equation MnSe206 → SeO2 + 2SeO2 . When heated to 400 ° at atmospheric pressure ...
Strona 19
... potassium permanganate appeared to be The method adopted for destroying the formic acid by of especial interest , as doubts had been expressed as to the statements contained in text - books that formic acid can be completely oxidised ...
... potassium permanganate appeared to be The method adopted for destroying the formic acid by of especial interest , as doubts had been expressed as to the statements contained in text - books that formic acid can be completely oxidised ...
Strona 21
... potassium cupriglycollate the ratio of Cu : K is 1 : 1 , in accordance with the formula CH2O ( CuOH ) · CO2K , and not 1 : 2 , as it would have to be if the metal displaced hydrogen ( CH2O ) 2Cu ( CO2K ) 2 . From a solution of copper ...
... potassium cupriglycollate the ratio of Cu : K is 1 : 1 , in accordance with the formula CH2O ( CuOH ) · CO2K , and not 1 : 2 , as it would have to be if the metal displaced hydrogen ( CH2O ) 2Cu ( CO2K ) 2 . From a solution of copper ...
Strona 22
... potassium hydroxide solution a substance C12H10O8 . which crystallises in prismatic needles , and is evidently an octahydroxydiphenyl the acetyl derivative of which , C12H2O8 ( C2H30 ) 8 , forms colourless needles , melting at 177-178 ...
... potassium hydroxide solution a substance C12H10O8 . which crystallises in prismatic needles , and is evidently an octahydroxydiphenyl the acetyl derivative of which , C12H2O8 ( C2H30 ) 8 , forms colourless needles , melting at 177-178 ...
Strona 36
... potassium silicotungstate and potassium borotungstate . than Quantitative Dehydration of Pure Pinacone . - M . Delacre . - By direct dehydration pure pinacone cannot be made to give a higher percentage of pinacoline than 70 per cent of ...
... potassium silicotungstate and potassium borotungstate . than Quantitative Dehydration of Pure Pinacone . - M . Delacre . - By direct dehydration pure pinacone cannot be made to give a higher percentage of pinacoline than 70 per cent of ...
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