Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 28
... oxygen is very important in water , and certainly the more organic matter is present in the water the less it contains of free oxygen . The committee decided to inspect the cemetery , and take some water for analysis from the small ...
... oxygen is very important in water , and certainly the more organic matter is present in the water the less it contains of free oxygen . The committee decided to inspect the cemetery , and take some water for analysis from the small ...
Strona 31
... oxygen which is always contained in small quantity in the steam , and that the oxides are then carried away by a ... oxygen of the air in limited quantity to the lead . Mr. PATTINSON - Or a valuable means of getting the mechanical effect ...
... oxygen which is always contained in small quantity in the steam , and that the oxides are then carried away by a ... oxygen of the air in limited quantity to the lead . Mr. PATTINSON - Or a valuable means of getting the mechanical effect ...
Strona 36
... oxygen into close contact with the particles of ore , while in this process the moderate heat prevents the combination of phosphorus with the iron , while atmospheric contact is excluded during reduction , and a reflected heat from the ...
... oxygen into close contact with the particles of ore , while in this process the moderate heat prevents the combination of phosphorus with the iron , while atmospheric contact is excluded during reduction , and a reflected heat from the ...
Strona 39
... oxygen passes through a long tube containing caustic potash before entering the com- bustion - tube , and before commencing the combustion the tube with the cupric oxide is heated to redness , and the oxygen passed until carbonic acid ...
... oxygen passes through a long tube containing caustic potash before entering the com- bustion - tube , and before commencing the combustion the tube with the cupric oxide is heated to redness , and the oxygen passed until carbonic acid ...
Strona 40
... oxygen , nor sulphuretted hydrogen affect it . Sul- phurous acid is slowly absorbed , a crop of crystals being formed after some weeks . These were soluble in ether , and proved to be stantriethylic sulphate , identical with the ...
... oxygen , nor sulphuretted hydrogen affect it . Sul- phurous acid is slowly absorbed , a crop of crystals being formed after some weeks . These were soluble in ether , and proved to be stantriethylic sulphate , identical with the ...
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