A Spectral and Photochemical Study of Ethyl Iodide |
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Page 7
... higher stable electronic state . At sufficiently low pressures , that is , in the absence of collisions , this energy - rich molecule will re - emit its absorbed energy as fluorescence . The process , postulated for the diffuse ...
... higher stable electronic state . At sufficiently low pressures , that is , in the absence of collisions , this energy - rich molecule will re - emit its absorbed energy as fluorescence . The process , postulated for the diffuse ...
Page 8
... higher stable electronic state where it is energy - rich . In the latter case , fluorescence at low pressures is possible ; it is impossible in the former case . The photochemical activity of a molecule will depend , therefore , first ...
... higher stable electronic state where it is energy - rich . In the latter case , fluorescence at low pressures is possible ; it is impossible in the former case . The photochemical activity of a molecule will depend , therefore , first ...
Page 12
... higher stable electronic state . The absorption spectrum of formaldehyde has been ex- amined by Henri and Schou and Herzberg . ' From 3700 to 2750 A.U. the spectrum is banded showing fine structure . At 2750 A.U. this structure ...
... higher stable electronic state . The absorption spectrum of formaldehyde has been ex- amined by Henri and Schou and Herzberg . ' From 3700 to 2750 A.U. the spectrum is banded showing fine structure . At 2750 A.U. this structure ...
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Common terms and phrases
absorbed absorption spectrum acceptor or protector alkyl iodides banded absorption banded region bands showing beam C-I bond C-I linkage c.c. of thiosulphate Calculation Calories Centimeters Long Chem collision continuous absorption cubic centimeter decomposition deflection through cell degrees of freedom diameter discs dissociation electrodes Emschwiller energy measurements ethyl iodide molecule evacuated cell excited molecule Five cubic centimeters fluorescence found a yield Fraction transmitted gaseous methyl iodide heat of linkage hexane higher stable electronic hydrogen bromide hydrogen iodide inch iodine atoms produced kinetic energy Kistiakowsky linkage of C-I Liquid 30 liquid air liquid ethyl iodide mechanism mercury millimeters molecules/c.c. nitrogen dioxide NOCI Norrish number of iodine obtained photo-decomposition photolysis postulated predissociation Pressure of ethyl quantum yield radicle reac REACTION CELL reaction products rear window region of continuous secondary process solvent spark stopcock temperature thermopile thermostat thiosulphate solution tion total deflection types of absorption ultra-violet wave length York University