HPLC Column Regeneration: Complete Protocol to Save Thousands! скачать в хорошем качестве

HPLC Column Regeneration: Complete Protocol to Save Thousands!

HPLC Column Regeneration: Complete Protocol to Save Thousands! Before you throw away that “dead” HPLC column, watch this! Learn the complete step-by-step regeneration protocol including standard solvents, DMSO cleaning, and advanced techniques to extend column life by months. This video could save your lab thousands of dollars in column replacement costs. 🔬 What You’ll Learn: ∙ When column regeneration works vs when you need a new column ∙ Complete reverse-flush regeneration protocol (step-by-step) ∙ Standard solvent sequence: acetonitrile → methanol → isopropanol ∙ DMSO regeneration for severe fouling (two methods) ∙ TFA protocols for protein removal ∙ Buffer salt dissolution techniques ∙ Prevention strategies that triple column life ∙ Guard column usage and maintenance schedules 💡 Complete Regeneration Protocol: ✓ Reverse flush technique (with sub-2µm warning) ✓ 20 column volumes per solvent stage ✓ 50:50 isopropanol-water for biological samples ✓ 0.1% TFA in acetonitrile for proteins ✓ DMSO 50:50 with water for severe contamination ✓ Overnight soaking method ✓ Temperature-assisted cleaning (40-50°C) ✓ Proper column storage and flushing ⚠️ Critical Warnings: ∙ Do NOT backflush sub-2 micron UHPLC columns ∙ Never go directly from buffer to organic (salt precipitation) ∙ Always flush DMSO thoroughly (30 min water + 60 min methanol) ∙ Check manufacturer compatibility before using strong solvents ⏱️ Timestamps: 0:00 - Intro 0:20 - When Can You Regenerate a Column? 1:20 - The Standard Regeneration Protocol 2:40 - Advanced Techniques: DMSO & Strong Solvents 3:50 - Prevention is Better Than Regeneration 4:30 - Outro 🔧 Covers All Column Types: ∙ C18 and C8 reversed-phase columns ∙ High back pressure troubleshooting ∙ Peak tailing and broadening solutions ∙ Biological sample contamination ∙ Buffer salt buildup ∙ Protein and lipid deposits ∙ Strongly retained organics Perfect for QC analysts, method developers, lab managers, pharmaceutical analysts, and anyone who wants to maximize HPLC column lifetime and reduce laboratory costs! 🔔 SUBSCRIBE for daily HPLC, LC-MS/MS, and GC-MS tips! 👇 What’s YOUR column regeneration success story? Share in the comments! #HPLC #ColumnRegeneration #ColumnMaintenance #DMSO #AnalyticalChemistry #LabTips #Chromatography