Chemical News and Journal of Physical Science, Tom 100Chemical news office., 1909 |
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Strona 10
... oxide ) no reaction was the first case was probably due to reduction of oxide of iron present by the ferrosilicon . This explains the sudden rise of temperature noted . In all the experiments a yellow sublimate began to appear on the ...
... oxide ) no reaction was the first case was probably due to reduction of oxide of iron present by the ferrosilicon . This explains the sudden rise of temperature noted . In all the experiments a yellow sublimate began to appear on the ...
Strona 14
... oxide present by the ferrosilicon . Prof. Osann ( Stahl und Eisen , July 15 , 1908 ) believes that this removal of the iron oxide prevents the back action between it and calcium sulphide ; at the same time a higher temperature is ...
... oxide present by the ferrosilicon . Prof. Osann ( Stahl und Eisen , July 15 , 1908 ) believes that this removal of the iron oxide prevents the back action between it and calcium sulphide ; at the same time a higher temperature is ...
Strona 15
... oxide in a finely divided state . In different experi- ments products of variable composition were obtained . The silicon sulphide was estimated by acting on it with water in a Schrotter's apparatus ( fitted with a calcium chloride ...
... oxide in a finely divided state . In different experi- ments products of variable composition were obtained . The silicon sulphide was estimated by acting on it with water in a Schrotter's apparatus ( fitted with a calcium chloride ...
Strona 16
... oxidation of the precipitate , the oxidation being completed by adding 5 cc . to 10 cc . of dilute sulphuric acid , and stirring for a minute or two . The excess of permanganate was then bleached by a measured amount of standard ...
... oxidation of the precipitate , the oxidation being completed by adding 5 cc . to 10 cc . of dilute sulphuric acid , and stirring for a minute or two . The excess of permanganate was then bleached by a measured amount of standard ...
Strona 21
... oxide and calcium hydride discovered at Mount Wilson , accords with the view that spots are regions of reduced temperature , and that their darkness is at least partly due to absorption . ( 8 ) The investigation of the possible presence ...
... oxide and calcium hydride discovered at Mount Wilson , accords with the view that spots are regions of reduced temperature , and that their darkness is at least partly due to absorption . ( 8 ) The investigation of the possible presence ...
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