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19 Aug 2014 USP L## packings for HPLC columns. L. PACKING. BRAND NAME. MANUFACTURER/. VENDOR. L1. Octadecyl silane chemically bonded to. No. Packing material, Recommended column. L1. Octadecyl silane chemically bonded to porous or non-porous silica or ceramic micro-particles, 1.5 to 10 ?m in packing-sulfonated fluorocarbon polymer coated on a solid spherical core,. 30 to 50 ? m in diameter. L6. Partisil SCX. USP LISTING OF HPLC COLUMNS. L. L. I am trying to separate plant metabolites by atmospheric pressure column chromatography with silica gel (normal phase), packed column carefully and Otherwise, use column packing with the 300A pore size. Particle Size Selection. The typical particle size for HPLC columns is 5 µm with 3.5 µm and smaller now 5 Jun 2012 Column chromatography is a commonly used purification technique in labs across the world. Done right it can simply and quickly isolate The tips of this advanced protocol are use of denser slurry (200 mg/mL), Concerning the packing techniques of conventional HPLC columns, Everything you need to pack your own analytical HPLC columns is included (contents column; solvent/slurry reservoir; pump priming syringe; seal tool; guideFritting and Packing Micro Capillary HPLC Columns. First published April 22nd, 2003 IonSource Homepage | Disclaimer read important laboratory safety notice Multi-purpose C18 column using ultra-pure silica gel. COSMOSIL/COSMOGEL Column Chromatography Packing Materials Column Selection Guide.