... ABuildin computer data processing and LCD: adopting highly integrated micro digital circuit, which is stable and reliable with the ... current Deuterium Lamp power supply: with fixed currentOptical system: Double beam total refection system, C-T type monochromator Flashing wavelength: 250nmFlame ... Se, Sb, Bi, Pb, Sn, Te, Ge, In, Tl, Cd and Zn lower than ppb level with cold atomic mercury ...