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HPLC Knowledge Hub
High-Performance Liquid Chromatography (HPLC) is one of the most widely used analytical techniques for separating, identifying, and quantifying compounds in complex samples. From pharmaceutical quality control to food safety testing and environmental monitoring, HPLC systems are a core part of modern laboratory workflows.
This HPLC Knowledge Hub brings together practical guides covering everything you need to understand and work with HPLC — how the technology works, the role of each system component, how HPLC compares to related techniques like GC, UHPLC, and ion chromatography, and what to look for when choosing a system or column for your lab. You'll also find troubleshooting guides for common issues like pressure spikes and peak tailing, along with practical buying advice drawn from years of working directly with laboratories.
Whether you're new to liquid chromatography or evaluating your next HPLC system, start with the guides below — or explore our HPLC systems to see what fits your lab's needs.
What Is Liquid Chromatography? A Complete Guide
What is liquid chromatography? Learn how it works, the differences between HPLC, UHPLC, LC-MS, and ion chromatography, and how to choose the right technique for your lab.
What Is HPLC? A Complete Guide to High Performance Liquid Chromatography
Learn what HPLC is, how it works, its system components, and key applications — a complete guide to High Performance Liquid Chromatography.
How Does an HPLC System Work? Understanding the Main Components
Discover how an HPLC system works by exploring its five essential components: the pump, autosampler, column oven, detector, and data system. This guide explains the function of each component, how they work together during liquid chromatography, and why understanding them is important for reliable analytical performance. Whether you're new to HPLC or looking to improve your knowledge, this article provides a clear overview of the HPLC working principle and system operation.
HPLC vs GC: Key Differences, Applications and How to Choose the Right System
High-Performance Liquid Chromatography (HPLC) and Gas Chromatography (GC) are two widely used analytical techniques. Learn their key differences, applications, advantages, and how to choose the right system for your laboratory needs.
Ion Chromatography vs HPLC: Which One Would You Actually Buy?
Learn the key differences between ion chromatography (IC) and HPLC, including applications, advantages, and how to choose the right system for water analysis, pharmaceuticals, and laboratory testing.
HPLC vs UHPLC: What Are the Differences?
What's the UHPLC vs HPLC difference? Compare speed, resolution, cost, and compatibility to decide which liquid chromatography system fits your lab.
How to Choose the Right HPLC Column: And Why the System Behind It Matters Just as Much
Selecting the right HPLC column is one of the most important steps in achieving reliable chromatographic separation. This guide explains the key factors that influence column selection and helps you match the right column to your analytical application.
How to Choose the Right HPLC System: A Complete Buying Guide
Learn how to choose the right HPLC system for your laboratory. This buying guide covers HPLC types, key selection factors, applications, and a reliable HPLC solution for analytical testing.
HPLC Troubleshooting: How to Diagnose Pressure, Peak Shape, and Baseline Problems
Facing HPLC pressure spikes, peak tailing, or baseline noise? Learn the common causes, quick diagnostic steps, and when to repair vs. replace your system.
HPLC Purchase Checklist: 10 Questions to Ask Before You Buy
Buying an HPLC system? This checklist walks through 10 key questions on detectors, pressure ratings, compliance software, and hidden costs — with a free downloadable PDF.