Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More
Learn More
Sigma Aldrich Fine Chemicals Biosciences Inhibitor removers Prepack
Supplier: Sigma Aldrich Fine Chemicals Biosciences 306312
Inhibitor-remover packings and ready-to-use, disposable prepacked columns conveniently remove small amounts of inhibitors which are added to reagents or solvents that would otherwise be unstable. R 20-37 S 22-38-36. Useful in applications which require that the stabilizer or inhibitor (hydroquinone (HQ), hydro-quinone monomethyl ether (MEHQ, 4-methoxyphenol), or 4-tert-butylcatechol (TBC) be removed prior to use. . Columns may be discarded1 when exhausted or reused by filling column approximately 3/4 full with new packing material. HQ/MEHQ columns refill vol. ~21g. TBC column refill vol.~30g.. Approx. column capacityHQ/MEHQ 3L at 100ppmTBC 4L at 15ppm. TBC columns and packings are not recommended for use with polar solvents, including acrylic acid. Vacuum distillation is suggested for such applications.Easy-to-use1. Prewashing of prepacked glass columns with a small amount of monomer is recommended.2. Add monomer (or solvent) to an addition funnel which is secured above column.3. Add m
Description
Product Content Correction
The Fisher Scientific Encompass Program offers items which are not part of our distribution portfolio. These products typically do not have pictures or detailed descriptions. However, we are committed to improving your shopping experience. Please use the form below to provide feedback related to the content on this product.
Product Title
Spot an opportunity for improvement?Share a Content Correction