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Results 1-10 of 44 (Search time: 0.003 seconds).

  Gas chromatographic determination of amino acids via one-step phase-transfer catalytic pentafluorobenzylation-preconcentration (Journal article)

  Gas chromatographic method for the sensitive determination of 2,5-hexanedione using electron capture and mass-selective detection (Journal article)

  H-1 NMR determination of hypericin and pseudohypericin in complex natural mixtures by the use of strongly deshielded OH groups (Journal article)

  HILIC separation and quantitation of water-soluble vitamins using diol column (Journal article)

  Hyphenated chromatographic techniques for the rapid screening and identification of antioxidants in methanolic extracts of pharmaceutically used plants (Journal article)

  Identification of the major constituents of Hypericum perforatum by LC/SPE/NMR and/or LC/MS (Journal article)

  Improved method for the in vitro assessment of antioxidant activity of plant extracts by headspace solid-phase microextraction and gas chromatography-electron capture detection (Journal article)

  Determination of aromatic amines in textile after bromination, by gas chromatography coupled with electron capture detection (Journal article)

  A systematic study on the stability of selected polymer antioxidants in EU official aqueous and alternative food simulants using HPLC (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)