• WelFlashTM SiO2-Ⅱ, Irregular Silica, Filling Volume 20g, 6Pc.

Flash column chromatography is a quick and (usually) easy way to separate complex mixtures of compounds. It is widely applied to organic compounds, natural products, biomacromolecule and other active substances.

WelFlash TM SiO2-Ⅱ flash columns use high quality amorphous sphere silica of narrow particle size distribution as packing materials. This provides high resolution of separation and high-pressure tolerance. The polypropylene tube provides great compatibility with various solvents and corrosion resistance. Each column is strictly tested before delivery to ensure high recovery and reproducibility.


Key Features

  • High quality silica with better separation. 
  • Column size: 20g and 6 pieces  
  • Particle size: 40-63μm
  • Luer-lok TM import and Luer TM export
  • Maximum pressure: 14 bar (188psi)
  • Reproducible performance from batch to batch


Typical Applications

  • Normal phase separation 


ColumnTypeParticle Size (um)Pore Size (Å)Use
WelFlash SiO2-II               Amorphous sphere silica40-63                          60

Normal phase; separates weak

polar compound while using weak polar mobile phase



Thumb File information
WelFlash ColumnIntroduction.pdf 897.02KB
WelFlash Column Use Manual.pdf 567.69KB

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WelFlashTM SiO2-Ⅱ, Irregular Silica, Filling Volume 20g, 6Pc.

  • $194.00
  • $114.60


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Tags: HPLC Column, Fluid Handling, Analytical Instrument