Intended for structured formulation workflows, Spe Polypropylene Columns Roti ® X Bond Sioh, 12 Ml, 1000 Mg, 20 Unit(S), fall under the category of normal phases for the SPE. These columns feature unmodified silica gel (SiOH) as their surface chemistry, making them ideal for separating compounds with very similar structures. They are particularly useful for retaining polar compounds within a nonpolar matrix. However, due to their high affinity for polar compounds, they should not be conditioned with polar solvents like methanol or water. Instead, apply analytes in a non-polar solvent and use a polarity gradient to increase solvent polarity by adding polar modifiers such as ethyl acetate or tetrahydrofuran (THF). Keep these columns well sealed and dry before use, as they

• Category: Normal phases for the SPE
• Phase: SiOH
• Particle size: 40-75 µm
• Recommended storage temperature: RT
• Similar phases: Strata™ Si-1 Bond Elut™ Silica Discovery ® DSC-Si Supelclean™ LC-Si CLEAN-UP ® Silica Bakerbond™ Silica gel Isolute ® silica LiChrolut ® Si CHROMABOND ® SiOH Copure ® Silica Sep-Pak ® silica
• Specific surface according to BET: 480 m²/g
• Column type: SPE column
• Pore size: 70 Å
• Material text: Material: PP columns with PE filter elements.
• Separation principle: Normal phase (NP)
• pH stability: 2,0-8,0
• Column shape: Open tubular syringe-shaped column with Luer tip outlet
• Recommended application(s): Alcohols Aldehydes Amines Aflatoxins Chloramphenicol Pesticides Drugs Steroids Vitamins Dyes Herbicides Ketones Nitro compounds Organic acids Phenols
• Column volume: 12 ml
• Packaging: 4 x 5 units
• Endcapped: no
• Particle type: Fully porous particles (FPP)
• Surface chemistry: Unmodified silica gel (SiOH)
• Filling quantity: 1000 mg