Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3750Chemical news office., 1932 |
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Strona 133
... Pass into a solution of potassa and test the resulting solution for chlorides ( bromides and iodides later ) . 3. Does it fume in air . 4. Test with litmus paper ( Boyle ) . 5. Turmeric ( for ammonia , due to Bergman , though turmeric ...
... Pass into a solution of potassa and test the resulting solution for chlorides ( bromides and iodides later ) . 3. Does it fume in air . 4. Test with litmus paper ( Boyle ) . 5. Turmeric ( for ammonia , due to Bergman , though turmeric ...
Strona 138
... pass valve is adjusted to pass an amount of gas not quite sufficient to give the desired temperature , say about 50 ° C. below , and then the automatic valve controlled by the thermo - electric pyrometer in the furnace comes into action ...
... pass valve is adjusted to pass an amount of gas not quite sufficient to give the desired temperature , say about 50 ° C. below , and then the automatic valve controlled by the thermo - electric pyrometer in the furnace comes into action ...
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