The New Encyclopaedia Britannica, Volume 13Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 125
... nitrogen is used to pre- vent oxidation and other chemical reactions , to pres- surize cable jackets , and to shield motors . Nitrogen finds application in the metals industry in welding , sol- dering , and brazing , where it helps ...
... nitrogen is used to pre- vent oxidation and other chemical reactions , to pres- surize cable jackets , and to shield motors . Nitrogen finds application in the metals industry in welding , sol- dering , and brazing , where it helps ...
Page 126
... nitrogen Sodium cyanide has uses in electroplating and various chemical processes . When lime , CaO , is heated with coke , calcium carbide , CaC2 , is formed . Heating this substance and nitrogen together in an electric furnace at a ...
... nitrogen Sodium cyanide has uses in electroplating and various chemical processes . When lime , CaO , is heated with coke , calcium carbide , CaC2 , is formed . Heating this substance and nitrogen together in an electric furnace at a ...
Page 128
... nitrogen . Halides . The only stable halide of nitrogen is nitrogen trifluoride , NF . It is a colourless gas , which boils at - 129 ° C ; it can be prepared by electrolysis of fused anhydrous ammonium bifluoride , NH , HF2 . Explosive ...
... nitrogen . Halides . The only stable halide of nitrogen is nitrogen trifluoride , NF . It is a colourless gas , which boils at - 129 ° C ; it can be prepared by electrolysis of fused anhydrous ammonium bifluoride , NH , HF2 . Explosive ...
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