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THE NEW MONOCHROMATOR
THE IMPROVED ELECTRON DEFLECTOR
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0.5 percent absorption characteristic acetone in butane achieved aperture application blaze buffer chamber cell pressure cm long Contract detection limit diameter different gases differential pumping diffusion pump disc discrimination electron deflector emission entrance slit Equation ethylene Figure 2l Figure l7 filter cell forepump gas filter gold-coated grating higher pressure improvement In-FILTER indium film indium filter interference interfering mass peaks ion source ionization energies ionization of N2 ionization potentials ionization threshold ionization wavelength l00 ppm light beam lithium fluoride loss in intensity low pressure mass numbers mixture obtained Photoionization cross sections photoionization mass spectrometer PHOTOIONIZATION SOURCE photomultiplier PHOTON ENERGY platinized grating platinum-coated grating pump speed rare gases residual background residual ionization scattering second order Seya monochromator shorter wavelengths shows slit and grating solid angle Solution 3a source and entrance spark light source spark spectrum spectra sufficient Synchronous detection thin films thin-film filters thin-metal filter transmission uv light source vacuum uv