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- [41] Atomic absorption spectrometric determination of trace amounts of copper in natural waters and standard biological samples after separation and preconcentration onto amberlite XAD-2 loaded with 2-(5-bromo-2-pyridylazo)-5-diethylaminophenoI ASIAN JOURNAL OF CHEMISTRY, 2003, 15 (03) : 1331 - 1338
- [43] BIS[2-(5-BROMO-2-PYRIDYLAZO)-5-(N-PROPYL-N-SULPHO PROPYLAMINO)PHENOLATO]COBALTATE(III) AS A COUNTER ION FOR THE EXTRACTION AND SPECTROPHOTOMETRIC DETERMINATION OF LONG-CHAIN QUATERNARY AMMONIUM-SALTS AND TERTIARY ALKYLAMINES IN THE PRESENCE OF EACH OTHER ANALYTICA CHIMICA ACTA, 1989, 219 (02) : 239 - 245
- [46] Flame atomic absorption spectrometric determination of trace amounts of thallium in natural waters and standard pepperbush after solid-phase extraction on to amberlite XAD-2 resin modified with 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol ASIAN JOURNAL OF CHEMISTRY, 2005, 17 (03) : 1463 - 1468
- [47] Derivative spectrophotometric determination of trace bismuth in alloys and synthetic samples after separation and preconcentration with the ion pair of 2-(5-bromo-2-pyridyltitzo)-5-diethylaminophenol and ammonium tetraphenylborate on microcrystalline naphthalene or by column method QUIMICA ANALITICA, 2001, 20 (03): : 139 - 144