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140 related items for PubMed ID: 18967989

  • 1. Differential pulse polarography determination of indium after column preconcentration with [1-(2-pyridylazo)-2-naphthol]-naphthalene adsorbent or its complex on microcrystalline naphthalene.
    Taher MA.
    Talanta; 2000 Jun 21; 52(2):301-9. PubMed ID: 18967989
    [Abstract] [Full Text] [Related]

  • 2. 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 21; 48(2):355-62. PubMed ID: 18967473
    [Abstract] [Full Text] [Related]

  • 3. Differential pulse polarographic determination of lead in standard alloys and biological samples after separation and preconcentration with PAN.
    Taher MA.
    Ann Chim; 2004 Feb 21; 94(5-6):437-46. PubMed ID: 15279103
    [Abstract] [Full Text] [Related]

  • 4. Simultaneous determination of lead and cadmium in various environmental and biological samples by differential pulse polarography after adsorption of their morpholine-4-carbodithioates onto microcrystalline naphthalene or morpholine-4-dithiocarbamate-CTMAB-naphthalene adsorbent.
    Dubey RK, Puri BK.
    Talanta; 1995 Jan 21; 42(1):65-72. PubMed ID: 18966202
    [Abstract] [Full Text] [Related]

  • 5. 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 Jan 21; 85(3):712-8. PubMed ID: 12083264
    [Abstract] [Full Text] [Related]

  • 6. 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 21; 125(10):1865-8. PubMed ID: 11070556
    [Abstract] [Full Text] [Related]

  • 7. Differential-pulse polarographic determination of zinc and manganese in various pharmaceutical and biological samples after adsorption of their morpholine-4-carbodithioates on microcrystalline naphthalene.
    Dubey RK, Puri BK.
    Analyst; 1994 Jul 21; 119(7):1567-70. PubMed ID: 7943745
    [Abstract] [Full Text] [Related]

  • 8. 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]

  • 9. Differential pulse polarographic determination of trace amounts of vanadium and molybdenum in various standard alloys and environmental samples after preconcentration of their morpholine-4-carbodithioates on microcrystalline naphthalene or morpholine-4-dithiocarbamate cetyltrimethyl-ammonium bromide-naphthalene adsorbent.
    Puri S, Dubey RK, Gupta MK, Puri BK.
    Talanta; 1998 Aug 21; 46(4):655-64. PubMed ID: 18967189
    [Abstract] [Full Text] [Related]

  • 10. Derivative spectrophotometric determination of iridium after preconcentration of its 1-(2-pyridylazo)-2-naphthol complex on microcrystalline naphthalene.
    Taher MA, Puri S, Bansal RK, Puri BK.
    Talanta; 1997 Dec 19; 45(2):411-6. PubMed ID: 18967020
    [Abstract] [Full Text] [Related]

  • 11. 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 19; 50(3):559-67. PubMed ID: 18967745
    [Abstract] [Full Text] [Related]

  • 12. Preconcentration of trace cobalt with the ion pair of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol and tetraphenylborate onto microcrystalline naphthalene or column method and its determination by derivative spectrophotometry.
    Pancras JP, Puri BK, Taher MA, Dehzoei AM, Sheibani A.
    Talanta; 1998 Aug 19; 46(5):1107-13. PubMed ID: 18967235
    [Abstract] [Full Text] [Related]

  • 13. 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]

  • 14. 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 21; 17(8):969-73. PubMed ID: 11708102
    [Abstract] [Full Text] [Related]

  • 15. Anodic stripping voltammetric determination of bismuth after solid-phase extraction using amberlite XAD-2 resin modified with 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol.
    Taher MA, Rezaeipour E, Afzali D.
    Talanta; 2004 Jun 17; 63(3):797-801. PubMed ID: 18969502
    [Abstract] [Full Text] [Related]

  • 16. Preconcentration of bismuth(III) and copper(II) by solid-phase extraction and subsequent determination by differential pulse polarography.
    Bhalotra A, Puri BK.
    J AOAC Int; 2001 Jun 17; 84(1):47-52. PubMed ID: 11234851
    [Abstract] [Full Text] [Related]

  • 17. 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 Jun 17; 91(5-6):319-30. PubMed ID: 11507836
    [Abstract] [Full Text] [Related]

  • 18. 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 Jun 17; 91(9-10):649-58. PubMed ID: 11770164
    [Abstract] [Full Text] [Related]

  • 19. Determination of manganese by flame atomic absorption spectrometry after its adsorption onto naphthalene modified with 1-(2-pyridylazo)-2-naphthol (PAN).
    Dos Anjos AP, Cornejo-Ponce L, Cadore S, Baccan N.
    Talanta; 2007 Feb 28; 71(3):1252-6. PubMed ID: 19071441
    [Abstract] [Full Text] [Related]

  • 20. 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 Feb 28; 84(3):706-12. PubMed ID: 11417635
    [Abstract] [Full Text] [Related]

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