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Journal Abstract Search

110 related items for PubMed ID: 2091489

  • 1. 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; 115(9):1191-5. PubMed ID: 2091489
    [Abstract] [Full Text] [Related]

  • 2. Column preconcentration of trace manganese with the ion pair of 2-nitroso-1-naphthol-4-sulfonic acid tetradecyldimethylbenzyl-ammonium chloride supported on naphthalene and determination by derivative spectrophotometry.
    Taher MA, Puri BK, Malik AK.
    Ann Chim; 2001 Sep; 91(5-6):319-30. PubMed ID: 11507836
    [Abstract] [Full Text] [Related]

  • 3. Determination of trace levels of manganese in various biological and environmental samples by atomic absorption spectrometry after solid-liquid extraction and preconcentration with the ion pair formed by the nitroso-S anion and the tetradecyldimethylbenzylammonium cation.
    Taher MA, Dehzoei AM.
    J AOAC Int; 2001 Sep; 84(3):706-12. PubMed ID: 11417635
    [Abstract] [Full Text] [Related]

  • 4. Flame atomic absorption spectrometric determination of trace amounts of manganese in alloys and biological samples after preconcentration with the ion pair of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol and ammonium tetraphenylborate on microcrystalline naphthalene or by column method.
    Taher MA.
    Anal Sci; 2001 Aug; 17(8):969-73. PubMed ID: 11708102
    [Abstract] [Full Text] [Related]

  • 5. A solid liquid extraction and preconcentration method for the atomic absorption spectrometric determination of trace cobalt in various alloys and biological samples.
    Taher MA, Bansal H, Puri BK.
    Ann Chim; 2001 Aug; 91(9-10):649-58. PubMed ID: 11770164
    [Abstract] [Full Text] [Related]

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

  • 7. Atomic absorption spectrometric determination of trace zinc in alloys and biological samples after preconcentration with [1-(2-pyridylazo)-2-naphthol] on microcrystalline naphthalene.
    Taher MA.
    Analyst; 2000 Oct; 125(10):1865-8. PubMed ID: 11070556
    [Abstract] [Full Text] [Related]

  • 8. Differential pulse polarographic determination of lead in complex materials after adsorption of its N-methylethylxanthocarbamate complex on microcrystalline naphthalene or on N-methylethylxanthocarbamate-benzyldimethyltetradecylammonium-naphthalene adsorbent.
    Hussain MF, Sangahi AK, Ahmad I, Puri BK.
    J AOAC Int; 2002 Oct; 85(3):712-8. PubMed ID: 12083264
    [Abstract] [Full Text] [Related]

  • 9. Preconcentration of trace nickel with the ion pair of disodium 1-nitroso-2-naphthol-3,6-disulfonate and tetradecyldimethylbenzylammonium chloride on microcrystalline naphthalene or by the column method and determination by third derivative spectrophotometry.
    Taher MA.
    Talanta; 1999 Oct; 50(3):559-67. PubMed ID: 18967745
    [Abstract] [Full Text] [Related]

  • 10. 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; 43(2):247-53. PubMed ID: 18966485
    [Abstract] [Full Text] [Related]

  • 11. Column preconcentration of titanium in aluminium and zinc alloys with oxalic acid-ascorbic acid and the ion-pair of sodium 1,2-dihydroxybenzene-3,5-disulphonic acid and tetradecyldimethylbenzylammonium chloride supported on naphthalene using spectrometry.
    Satake M, Nagahiro T, Puri BK.
    Talanta; 1992 Oct; 39(10):1349-54. PubMed ID: 18965540
    [Abstract] [Full Text] [Related]

  • 12. Solid-liquid extraction and preconcentration of trace nickel using 2-nitroso-1-naphthol-4-sulfonic acid (Nitroso-S) and TDBA onto benzophenone and determination by atomic absorption spectrometry.
    Taher MA, Shamsi M.
    Anal Sci; 2003 Mar; 19(3):405-8. PubMed ID: 12675349
    [Abstract] [Full Text] [Related]

  • 13. Determination of trace amounts of zinc by flame atomic absorption spectrometry after preconcentration with modified clinoptilolite zeolite.
    Hajialigol S, Taher MA, Malekpour A.
    J AOAC Int; 2008 Mar; 91(6):1446-52. PubMed ID: 19202807
    [Abstract] [Full Text] [Related]

  • 14. Differential pulse polarographic determination of tin in alloys and environmental samples after preconcentration with the ion pair of 2-nitroso-1-naphthol-4-sulfonic acid and tetradecyldimethylbenzylammonium chloride onto microcrystalline naphthalene or by column method.
    Taher MA, Puri BK.
    Talanta; 1999 Feb; 48(2):355-62. PubMed ID: 18967473
    [Abstract] [Full Text] [Related]

  • 15. 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]

  • 16. 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 08; 382(2):444-7. PubMed ID: 15838616
    [Abstract] [Full Text] [Related]

  • 17. Utility of solid-phase spectrophotometry for determination of dissolved iron(II) and iron(III) using 2,3-dichloro-6-(3-carboxy-2-hydroxy-1-naphthylazo)quinoxaline.
    Amin AS, Gouda AA.
    Talanta; 2008 Sep 15; 76(5):1241-5. PubMed ID: 18761184
    [Abstract] [Full Text] [Related]

  • 18. Atomic absorption spectrometric determination of ultra trace amounts of zinc after preconcentration with the ion pair of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol and ammonium tetraphenylborate on microcrystalline naphthalene or by column method.
    Taher MA.
    Talanta; 2000 Jun 21; 52(2):181-8. PubMed ID: 18967975
    [Abstract] [Full Text] [Related]

  • 19. Differential pulse polarographic determination of uranium(VI) in complex materials after adsorption of its trifluoroethylxanthate cetyltrimethylammonium ion-associated complex on naphthalene adsorbent.
    Puri BK, Atamjyot, Lal K, Bansal H.
    Anal Sci; 2002 Apr 21; 18(4):427-32. PubMed ID: 11999517
    [Abstract] [Full Text] [Related]

  • 20. 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 Apr 21; 88(3):842-6. PubMed ID: 16001860
    [Abstract] [Full Text] [Related]

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