Determination of colloidal iron in water by laser-induced breakdown spectroscopy

作者: Yoshiro Ito , Osamu Ueki , Susumu Nakamura

DOI: 10.1016/0003-2670(94)00313-B

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摘要: Abstract Laser-induced breakdown spectroscopy was applied to the determination of FeO(OH) in water and successfully determined concentration turbid solution down a few ppm (μg ml −1 ). A Q-switched Nd:YAG laser, which delivered 8 ns pulses, used as an excitation source. Cell-less measurement achieved using coaxial nozzle flow system allowed study effect ambient gas on emission intensity decay lifetime plasma. Using helium with proper timing gate, range.

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