[Determination of Pb2+ in tea by bis(salicylaldehyde)- o-phenylenediamine pre-column derivatization-high performance liquid chromatography]
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The contents of Pb2+ in tea was determined by the high performance liquid chromatography (HPLC) method using bis(salicylaldehyde)-o-phenylenediamine (SALOPHEN) as derivatization reagent. The detection wavelength of ultraviolet was 226 nm with Hypersil ODS2 C18... ...
