Mobile Phase Preparation, Buffers & Solvent Handling
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Explore practical guidance for preparing HPLC mobile phases, selecting buffers and additives, handling solvents, controlling contamination, managing salts, and optimizing LC-MS compatibility. Learn best practices for reliable chromatography performance and reproducible analytical results.
Ammonium Fluoride Effect on Chromatography Using Cogent TYPE-C HPLC Columns - Tech Information
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Avoid Spurious Peaks from Nylon Syringe Filters When Using Electrochemical Detection - Tech Information
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Benzene as an HPLC Mobile Phase Solvent: Compatibility, Limitations, and Safety Considerations Tech Information
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Bubble Point Pressure and Filtering Water Through Hydrophobic Membranes - Tech Information
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Buffer Concentration Effects on Acid Retention in HILIC Methods Using TYPE-C™ Columns - Tech Information
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Cocaine and Polar Metabolites ( Ecgonine) Separation using LC‑MS / MS - Tips and Suggestions
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Is TFA or formic acid better as an acidic mobile phase additive for Cogent TYPE-C columns - FAQ
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Managing PFAS and Trace Contamination Sources in Chromatographic Analysis - Tech Information
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Maximum Salt Concentration Recommendations for Cogent TYPE-C HPLC Columns - Tech Information
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Phosphoric Acid and Sodium Phosphate Use with Cogent Diamond Hydride Columns - Tech Information
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Positive and Negative Ion Mode Mobile Phase Additives for LC-MS Method Development - Tech Information
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Preparing 10 mM Ammonium Acetate Mobile Phases in High-Acetonitrile HILIC Methods - Tech Information
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Preparing a 16 mM Ammonium Acetate Mobile Phase in 90 10 Acetonitrile Water for HPLC and LC-MS - How To
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Preparing Premixed Diluents to Improve Accuracy in HPLC Sample Preparation - Tech Information
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Restoring the Initial Method Results Analyzing AMP ADP ATP UDP and GPT in Biological Extracts - Troubleshooting
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Retention Times Changes with Mobile Phase Storage Effects on Retention Time and Peak Shape in HPLC Methods - Tech Information
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Selecting the Optimal Gradient Direction for Mixed-Polarity Compounds Using Cogent TYPE-C Columns - Tech Information
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Sodium and Ammonium Adduct Formation for Improved Sugar Detection in LC-MS - Tech Information
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Solvent Strength and Mobile Phase Selection for HILIC Methods Using Cogent TYPE-C Columns - Tech Information
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Using Basic Sample Diluents with HILIC Methods on Silica-Based HPLC Columns - Tech Information
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Using EDTA in Mobile Phases to Improve Peak Shape for Metal-Sensitive Compounds - Tech Information
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