Columns

What Should You Flow, and What Shouldn’t in HPLC? It Depends on Your Column! What you flow, what you avoid flowing, and in what order, all depend on your column’s stationary phase and physical parameters. Let’s break it down scientifically: Stationary Phase Chemistry 1. Reversed-phase columns (like C18): 2. Normal-phase ... Read More

Use a Guard Column Filter and Degas Mobile Phase Use Proper pH and Buffer Conditions Regular Column Flushing Avoid Prolonged Exposure to Aqueous Buffers Inject Clean Samples Optimize Flow Rate and Pressure General Precautions Before Cleaning Initial Rinse (Removing Buffer and Salts) Purpose: To remove any buffer salts that may ... Read More