Horacio N. Pappa

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Articles

Static Headspace GC–MS Detection of Residual Solvents—A Possible Simultaneous Identification and Quantitation Method

Static Headspace GC–MS Detection of Residual Solvents—A Possible Simultaneous Identification and Quantitation Method

Heather R. Joyce;Samir Z. Wahab;Jennifer L. Belsky;Alyssa J. Andrews-Ashley;Chunhua Pan;Horacio N. Pappa
January 1st 2012

A new procedure is proposed that provides identity parameters for headspace-applicable residual solvent Class 1 and Class 2 compounds addressed in the current US Pharmacopeia <467> method.

Adjustment to the Chromatographic System in U.S. Pharmacopeia Monographs: Flexibility and Limitations

Adjustment to the Chromatographic System in U.S. Pharmacopeia Monographs: Flexibility and Limitations

Horacio N. Pappa;Ravi Ravichandran
October 1st 2009

To meet system suitability requirements, chromatographers might need to make adjustments to the high performance liquid chromatography (HPLC) operating conditions.

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