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140 related items for PubMed ID: 18967989

  • 21. Column preconcentration and spectrophotometric determination of ziram and zineb in commercial samples and foodstuffs using (1,2'-pyridylazo)-2-naphthol (PAN)-naphthalene as adsorbate.
    Malik AK, Sharma V, Sharma VK, Rao AL.
    J Agric Food Chem; 2004 Dec 29; 52(26):7763-7. PubMed ID: 15612751
    [Abstract] [Full Text] [Related]

  • 22. Ammonium tetraphenylborate-naphthalene adsorbent for the preconcentration and trace determination of iron in alloys and biological samples using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol by third derivative spectrophotometry.
    Ali Taher M, Krishan Puri B.
    Talanta; 1996 Feb 29; 43(2):247-53. PubMed ID: 18966485
    [Abstract] [Full Text] [Related]

  • 23. Flame atomic absorption spectrometric determination of trace chromium in various standard samples after preconcentration with 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol.
    Taher MA.
    Fresenius J Anal Chem; 2000 Oct 29; 368(4):421-3. PubMed ID: 11227516
    [Abstract] [Full Text] [Related]

  • 24. Solid phase preconcentration of iron as methylthymol blue complex on naphthalene-tetraoctylammonium bromide adsorbent with subsequent flame atomic absorption determination.
    Pourreza N, Mousavi HZ.
    Talanta; 2004 Sep 08; 64(1):264-7. PubMed ID: 18969598
    [Abstract] [Full Text] [Related]

  • 25. Spectrophotometric determination of palladium after solid-liquid extraction with 1-(2-Pyridylazo)-2-naphthol at 90 degrees C.
    Gao J, Peng B, Fan H, Kang J, Wang X.
    Talanta; 1997 May 08; 44(5):837-42. PubMed ID: 18966809
    [Abstract] [Full Text] [Related]

  • 26. Trace determination of zinc in standard alloys, environmental and pharmaceutical samples by fourth derivative spectrophotometry using 1-2-(thiazolylazo)-2-naphthol as reagent and ammonium tetraphenylborate supported on naphthalene as adsorbent.
    Bhalotra A, Puri BK.
    Talanta; 1999 Jul 08; 49(3):485-93. PubMed ID: 18967622
    [Abstract] [Full Text] [Related]

  • 27. Thermal modified Kaolinite as useful material for separation and preconcentration of trace amounts of manganese ions.
    Afzali D, Taher MA, Mostafavi A, Mobarakeh SZ.
    Talanta; 2005 Jan 30; 65(2):476-80. PubMed ID: 18969822
    [Abstract] [Full Text] [Related]

  • 28. Preconcentration of iron (III), cobalt (II) and copper (II) nitroso-R complexes on tetradecyldimethylbenzylammonium iodide-naphthalene adsorbent.
    Puri BK, Balani S.
    Talanta; 1995 Mar 30; 42(3):337-44. PubMed ID: 18966235
    [Abstract] [Full Text] [Related]

  • 29. Column preconcentration of gold by adsorbing AuCl4- onto methyltrioctyl ammonium chloride-naphthalene and subsequent atomic absorption spectrometric determination.
    Behpour M, Attaran AM, Ghoreishi SM, Soltani N.
    Anal Bioanal Chem; 2005 May 30; 382(2):444-7. PubMed ID: 15838616
    [Abstract] [Full Text] [Related]

  • 30. Flame atomic absorption spectrometry for the determination of trace amount of rhodium after separation and preconcentration onto modified multiwalled carbon nanotubes as a new solid sorbent.
    Ghaseminezhad S, Afzali D, Taher MA.
    Talanta; 2009 Nov 15; 80(1):168-72. PubMed ID: 19782208
    [Abstract] [Full Text] [Related]

  • 31. Column preconcentration and FAAS determination of copper, iron, nickel and zinc using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol-tetraphenylborate-naphthalene adsorbent.
    Pancras JP, Puri BK.
    Anal Bioanal Chem; 2002 Dec 15; 374(7-8):1306-11. PubMed ID: 12474102
    [Abstract] [Full Text] [Related]

  • 32. Column chromatographic pre-concentration of iron(III) in alloys and biological samples with 1-nitroso-2-naphthol-3,6-disulphonate and benzyldimethyltetradecylammonium-perchlorate adsorbent supported on naphthalene using atomic absorption spectrometry.
    Miura J, Arima S, Satake M.
    Analyst; 1990 Sep 15; 115(9):1191-5. PubMed ID: 2091489
    [Abstract] [Full Text] [Related]

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  • 37. Determination of trace indium in urine after preconcentration with a chelating-resin-packed minicolumn.
    Liu HM, Chang CY, Wu CC, Wei JM, Chen WY, Yeh CT.
    J Sep Sci; 2012 Apr 15; 35(7):846-52. PubMed ID: 22532353
    [Abstract] [Full Text] [Related]

  • 38. Preconcentration of trace uranium from seawater with solid phase extraction followed by differential pulse polarographic determination in chloroform eluate.
    Dojozan D, Pournaghi-Azar MH, Toutounchi-Asr J.
    Talanta; 1998 May 15; 46(1):123-8. PubMed ID: 18967134
    [Abstract] [Full Text] [Related]

  • 39. Flame atomic absorption spectrometric determination of trace amounts of nickel after extraction and preconcentration onto natural modified analcime zeolite loaded with 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol.
    Afzali D, Taher MA, Mostafavi A, Mahani MK.
    J AOAC Int; 2005 May 15; 88(3):842-6. PubMed ID: 16001860
    [Abstract] [Full Text] [Related]

  • 40. Trace determination of platinum-II. Analysis in ores by pulse polarography after fire-assay collection.
    Alexander PW, Hoh R, Smythe LE.
    Talanta; 1977 Sep 15; 24(9):549-54. PubMed ID: 18962143
    [Abstract] [Full Text] [Related]

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