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    Please read the column cleaning method for your column. HILICpak VG-25 and VG-50 series For an efficient cleaning, reverse the flow direction. Flow rate during the cleaning Product name VG-25 4D VG-25 2B VG-50 4D VG-50 4E VG-50 2D Flow […]

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    Contents: Column Components Column Installation Sample Preparation Eluents Column Cleaning Column Storage Column Inspection Column Disposal Additional Warnings     1. Column Components 2. Column Installation (1) Wash entire LC system prior to the column installation, including all flow-lines and […]

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    This is the updated USP column list. Please use it as a reference for the best columns required for your USP method development. Contact us for alternative columns that may not be listed here. Click on the L# to go […]

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    Separation type Product name Base material Functional group / Ligand Reversed Phase and HILIC (Polymer-based)   ODP2 HP series Polyhydroxymethacrylate – Asahipak ODP-50 series  ODP-90 20F Polyvinyl alcohol Octadecyl Asahipak C4P-50 4D Polyvinyl alcohol Butyl RSpak DS-613 DS-413 Styrene divinylbenzene copolymer – […]

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    Rise in Pressure

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    Noise in Baseline

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        Abnormal Peak Shape    

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    Fluctuation in Elution Time

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    Fluctuation in Baseline