Jan 1, 2017 · Figure 1: Simulated chromatograms for a mixture of six neutral compounds (unlabeled peaks between approximately 3 and 9 min) and two carboxylic acids at (a) pH 7.0 …

Jan 1, 2019 · Founded in 1983, LCGC International is the leading provider of digital and print content to the separation science market, enhancing the productivity, efficiency, and the …

Practical advice, tutorials, and peer-reviewed research on liquid chromatography (HPLC), gas chromatography (GC), mass spectrometry (MS) and related techniques.

Researchers from the University of Bordeaux (Villenave d'Ornon, France) report the development and validation of a rapid and quantitative analytical method measuring crown procyanidin …

Jul 1, 2009 · Figure 1 The ΣRE data of Table II summarize the data of Figures 1 and 2. For set 1, the ΣRE drops from no weighting (12.23) to 1/x 0.5 weighting (3.39), then it levels off for …

Practical advice, tutorials, and peer-reviewed research on liquid chromatography (HPLC), gas chromatography (GC), mass spectrometry (MS) and related techniques.

Jun 10, 2024 · Case Studies from an Early-Phase Small-Molecule Development Project: Background Information. A case study from my experience as a chemistry, manufacturing, and …

Jun 1, 2012 · Figure 1: Calibration plots of concentration of analyte (CA) versus response (RA) for external standardization (plain text) and concentration ratio (CA/CIS) versus response ratio …

Dec 1, 2017 · In equation 2, m 1 is the centroid or center of gravity of the peak, and m 2 is the second moment or variance of distribution of the analyte in time. The definitions are provided …

Sep 16, 2024 · The updated version of United States Pharmacopoeia (USP) general chapter <621> Chromatography has changes that impact chromatography parameters.