
In the process of separating and purifying compounds, preparative columns that have high efficiency, stability and low pressure play a crucial role in developing a reliable separation and purification technique.
Welch Materials, as a competitive manufacturer in this industry, released WelFlash SiO2 LS column to help your separation and purification work.
WelFlash SiO2 LS
Special personality
The new generation of WelFlash SiO2 LS column is your best choice for separation and purification because it has characteristics of high pressure resistance, excellent column efficiency and corrosion resistance. The properties and parameters of each batch of WelFlash SiO2 LS preparation columns are precisely controlled and rigorously tested to ensure high recovery rate and good batch to batch reproducibility.
WelFlash SiO2 LS medium and low pressure preparation column packed with high quality silicone with well-balanced price and performance.
● Use standard luer joints (no locking structure) , suitable for equipment only compatible with standard luer line connections;
● Optimized packing process, high resolution and good reproducibility;
● The polypropylene columns and joints are designed with new technology, with maximum pressure resistance of 200psi, without leakage;
● Complete specifications, with a variety of packing sizes;
● Provide multiple examples of technology applications and complete solutions;

Excellent resolution
Product property test (excellent peak shape and resolution)
WelFlash SiO2 LS
Specification:220g
Flow Rate: 150 ml/min
Solvent: A1 Hexane
Solvent: B1 Ethyl Acetate
Injection method: liquid sample
Wavelength 1 (red): 254nm
Wavelength 2 (purple): 280nm

Complete specifications
P/N | Specification | Particle | Pore Size |
00101-05017 | WelFlash SiO₂ LS,Irregular,4g | 40-63μm | 60Å |
00101-05027 | WelFlash SiO₂ LS,Irregular,12g | 40-63μm | 60Å |
00101-05037 | WelFlash SiO₂ LS,Irregular,25g | 40-63μm | 60Å |
00101-05047 | WelFlash SiO₂ LS,Irregular,40g | 40-63μm | 60Å |
00101-05057 | WelFlash SiO₂LS,Irregular,80g | 40-63μm | 60Å |
00101-05067 | WelFlash SiO₂ LS,Irregular,120g | 40-63μm | 60Å |
00101-05077 | WelFlash SiO₂ LS,Irregular,220g | 40-63μm | 60Å |
00101-05087 | WelFlash SiO₂ LS,Irregular,330g | 40-63μm | 60Å |
800g and 1600g Flash columns are available for large-scale preparation

P/N | Specification | Particle Size | Pore Size |
00101-05097 | WelFlash SiO₂Ⅱ, Irregular, 800g | 40-63μm | 60Å |
00101-05107 | WelFlash SiO₂-Ⅱ, Irregular, 1600g | 40-63μm | 60Å |
If you have any problem or require further information, please contact info@welchmat.com.
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