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1. Identification of impurities in acarbose by using an integrated liquid chromatography-nuclear magnetic resonance and liquid chromatography-mass spectrometry approach
Journal of Separation Science
Volume 28, Issue 13, August 2005, Pages: 1442–1447,
Predrag Novak, Mario Cindrić, Pr
DOI: http://dx.doi.org/10.1002/jssc.200400057
2. Alternatives to amino acid analysis for the purity control of pharmaceutical grade L-alanine
Journal of Separation Science
Volume 33, Issue 16, August 2010, Pages: 2402–2410, Ulrike Holzgrabe, Cees-Jan Nap, Tanja Beyer and Stefan Almeling
DOI: http://dx.doi.org/10.1002/jssc.201000141
3. Pharmaceutical analysis beyond compendial requirements
Journal of Separation Science
Volume 28, Issue 13, August 2005, Pages: 1529–1538, Magali Sautel and Ante M. Krstulović
DOI: http://dx.doi.org/10.1002/jssc.200400064