In Bruges: HPLC 2025 - chromatographyonline.com
Nov 13, 2024 · The 54th International Symposium on High Performance Liquid Phase Separations and Related Techniques (HPLC 2025) will be held from Sunday through Thursday, June 15-19, 2025, in Bruges, Belgium.
The Flame Ionization Detector - Chromatography Online
Dec 1, 2005 · John V. Hinshaw Although these ionization detectors share several features, their implementations differ significantly. Detector performance characteristics (sensitivity, minimum detectable quantity, linearity, and selectivity) are affected strongly by the type of ionization mechanism, the internal electrode arrangement, and the electronics.
About LCGC International - Chromatography Online
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 overall value of separation techniques globally. With our commitment to editorial excellence, we have pioneered innovation across a broad portfolio of digital and print platforms.
LCGC North America - Chromatography Online
Practical advice, tutorials, and peer-reviewed research on liquid chromatography (HPLC), gas chromatography (GC), mass spectrometry (MS) and related techniques.
LCGC International - Chromatography Online
Practical advice, tutorials, and peer-reviewed research on liquid chromatography (HPLC), gas chromatography (GC), mass spectrometry (MS) and related techniques.
LCGC Europe - Chromatography Online
Practical advice, tutorials, and peer-reviewed research on liquid chromatography (HPLC), gas chromatography (GC), mass spectrometry (MS) and related techniques.
Troubleshooting Basics, Part IV: Peak Shape Problems
Jul 1, 2012 · Figure 4: Peak fronting for two consecutive injections: (a) 527 and (b) 528. If All Peaks Tail. When all peaks in the chromatogram tail or are split or doubled, as in Figure 5, this is a symptom of a problem that happens at the inlet of …
Understanding Gradient HPLC - Chromatography Online
Jul 1, 2013 · where gradient time (t G) is in minutes, S is a shape factor and a value of 4 is typically used where the accurate value is not known, k* is the average retention factor for which a value of 5 is typically optimal, ΔΦ is the change in organic composition from the scouting gradient, V m is the column volume (see equation 2) in milliliters, and F …
The Limit of Detection - Chromatography Online
Feb 1, 2009 · The concept of the limit of detection (LOD) has been, and still is, one of the most controversial in analytical chemistry. The multiple definitions and calculation methods proposed have contributed to this situation. Although in the last years, several international organizations, such as ISO or IUPAC, have tried to reach a consensus in their definitions and have issued guidelines for the ...
Chromatography Fundamentals, Part VIII: The Meaning and …
Nov 1, 2019 · The effectiveness of a separation can be quantified by measuring the resolution. This article explains the factors influencing resolution and the equation for predicting the required number of theoretical plates to obtain a given esolution.