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121 related items for PubMed ID: 18965540

  • 1. 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]

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

  • 3. 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]

  • 4. 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]

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

  • 6. 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]

  • 7. 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; 84(3):706-12. PubMed ID: 11417635
    [Abstract] [Full Text] [Related]

  • 8. 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]

  • 9. 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; 46(5):1107-13. PubMed ID: 18967235
    [Abstract] [Full Text] [Related]

  • 10. 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]

  • 11. 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]

  • 12. 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]

  • 13. 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 21; 19(3):405-8. PubMed ID: 12675349
    [Abstract] [Full Text] [Related]

  • 14. Spectrophotometric determination of nitrate and nitrite in water and some fruit samples using column preconcentration.
    Wang GF, Satake M, Horita K.
    Talanta; 1998 Aug 21; 46(4):671-8. PubMed ID: 18967191
    [Abstract] [Full Text] [Related]

  • 15. 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 21; 382(2):444-7. PubMed ID: 15838616
    [Abstract] [Full Text] [Related]

  • 16. 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]

  • 17. 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]

  • 18. Column chromatographic preconcentration of palladium in alloys with 9,10 phenanthrenequinonemonoxime-naphthalene.
    Balani S, Puri BK.
    Talanta; 1992 Jul 29; 39(7):815-8. PubMed ID: 18965457
    [Abstract] [Full Text] [Related]

  • 19. 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 29; 49(3):485-93. PubMed ID: 18967622
    [Abstract] [Full Text] [Related]

  • 20. Development of new adsorbent chitin for column preconcentration and spectrophotometric trace determination of Ziram and Zineb in synthetic, commercial samples and food-stuffs.
    Mehta SK, Malik AK, Singh B, Rao AL.
    Talanta; 2005 Oct 15; 67(4):725-9. PubMed ID: 18970231
    [Abstract] [Full Text] [Related]

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