Analytical Techniques

HPLC detector equipment in a pharmaceutical quality-control laboratory

HPLC Detectors: 7 Essential Types and How to Choose

HPLC detectors convert compounds leaving the column into a measurable signal. For pharmaceutical analysis, choosing an HPLC detector depends on the analyte’s physical and chemical properties, the method’s purpose, required sensitivity, sample matrix and mobile-phase conditions. This guide compares common detector types and gives a practical selection framework for QC and analytical laboratories. What an […]

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HPLC detector equipment in a pharmaceutical quality-control laboratory

Gradient vs. Isocratic HPLC: A Practical Guide

The choice of gradient vs. isocratic HPLC depends on the separation you need, the sample matrix and the intended use of the analytical procedure. In isocratic HPLC, mobile-phase composition stays constant. In gradient HPLC, it changes according to a programmed profile. This guide compares the two modes and gives a practical selection workflow for pharmaceutical

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