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TLC polyester sheets with fibrous cellulose impregnated with polyethyleneimine (PEI)
Semi-quantitative test strips for the determination of Aluminum
Dicoronylene / Coronylovalene mixture
Avoid neutral media
fitting a wide range of pipette brands
Syringe filters (combi), CHROMAFIL GF / PET, 25 mm, 1 µm / 0.2 µm Column type - SPE Aspec column TLC polyester sheets with fibrousCombi syringe filters are recommended for solutions with a high load of particulate matter or for highly viscous solutions. These products combine a coarse glass fiber prefilter and a small pore polyester (polyethylene terephthalate) membrane as main filter. The hydrophilic multipurpose PET membrane is suitable for polar as well as nonpolar solvents. It is the HPLC filter, especially suited for mixtures of water and organic solvents. All CHROMAFIL