1992
DOI: 10.1016/0021-9673(92)85010-q
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Determination of alendronate in pharmaceutical dosage formulations by ion chromatography with conductivity detection

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Cited by 68 publications
(22 citation statements)
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“…Several high-performance liquid chromatographic methods based on post-or precolumn derivatization of bisphosphonates have been developed [3][4][5][6][7][8][9][10][11]. For example, Ion-pair chromatography with massspectrometric [12], refractive index [13] and conductometric [14] detection have been proposed. The anion-exchange chromatography with refractive index detection is recommended by British Pharmacopoeia for the determination of sodium alendronate [15].…”
Section: Introductionmentioning
confidence: 99%
“…Several high-performance liquid chromatographic methods based on post-or precolumn derivatization of bisphosphonates have been developed [3][4][5][6][7][8][9][10][11]. For example, Ion-pair chromatography with massspectrometric [12], refractive index [13] and conductometric [14] detection have been proposed. The anion-exchange chromatography with refractive index detection is recommended by British Pharmacopoeia for the determination of sodium alendronate [15].…”
Section: Introductionmentioning
confidence: 99%
“…This method has a limit of detection of 2µmol/l. Separation procedures without derivatization are performed on ion-exchange columns like Waters IC-Pak HR (Tsai et al, 1992) or Dionex OmniPac PAX-100; the mobile phases contain mineral acids (mostly diluted nitric acid without or with small percentage of organic modifier) and the detection is realized through flame-photometry (Chester et al, 1981), conductivity (Tsai et al, 1992) or inductive coupled plasma mass spectrometry (ICP-MS) (Kovacevic et al, 2004). Mineral acids are replaced with organic acids (especially formic acid) in researches that use ion-chromatography in tandem with mass-spectrometry (Ip et al, 1994).…”
Section: Hplc Analysis Of Bisphosphonatesmentioning
confidence: 99%
“…São empregadas colunas de troca aniônica [62][63][64] . Qin e colaboradores 65 desenvolveram método para a determinação de alendronato (altamente polar e termolábil) em comprimidos utilizando cromatografia iônica acoplada a detector de massas, empregando interface do tipo íon-spray, operando no modo negativo.…”
Section: Cromatografia Líquida De Alta Eficiência (Hplc)unclassified