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Results 1-10 of 20 (Search time: 0.033 seconds).

  Microwave-assisted phase-transfer catalysis for the rapid one-pot methylation and gas chromatographic determination of phenolics (Journal article)

  Ion-pair single-drop microextraction versus phase-transfer catalytic extraction for the gas chromatographic determination of phenols as tosylated derivatives (Journal article)

  Determination of diethylhexyladipate and acetyltributylcitrate in aqueous extracts after cloud point extraction coupled with microwave assisted back extraction and gas chromatographic separation (Journal article)

  Ion chromatographic method for the simultaneous determination of nitrite and nitrate by post-column indirect fluorescence detection (Journal article)

  Development of 1-(2-pyridylazo)-2-naphthol-modified polymeric membranes for the effective batch pre-concentration and determination of zinc traces with flame atomic absorption spectrometry (Journal article)

  Single-drop liquid-phase microextraction for the determination of hypericin, pseudohypericin and hyperforin in biological fluids by high performance liquid chromatography (Journal article)

  Speciation of Fe(II) and Fe(III) by the modified ferrozine method, FIA-spectrophotometry, and flame AAS after cloud-point extraction (Journal article)

  On-line derivatization coupled to flow injection permanganate chemiluminescence detection of total carbonyl compounds in natural waters and drinking water (Journal article)

  Measurement uncertainty arising from trueness of the analysis of two endocrine disruptors and their metabolites in environmental samples - Part II. Solid-phase extraction from environmental natural waters (Journal article)

  Micelle-mediated separation and cloud-point extraction (Journal article)