- Alltech
- AppliChrom
- Avantor (ACE, HiChrom, Ultrasphere)
- Benson Polymeric
- BGB Analytik
- Bischoff Chromatography (ProntoSIL, HIPAK, Enviro, PolyEncap)
- Chemcosorb
- Dikma Technologies
- Eurospher
- Exsil (Exmere)
- GRACE
- GROM
- Hamilton
- Jones Chromatography
- Kromasil
- L-column (CERI)
- LiChrosorb
- LiChrospher
- Nacalai Tesque (COSMOSIL, COSMOSCORE, COSMOGEL)
- Nova-Pak
- Ohio Valley
- Optimize Technologies
- Osaka Soda (Shiseido)
- ProntoSIL
- Shine Ion Chromatography
- SIELC Technologies
- Spherisorb
- Sumichiral
- Sumipax
- Superspher
- Thermo Scientific
- Trajan (SGE)
- VDS optilab
- Vydac
- Welch
Ultisil XB-SCX 120Å Series
Welch Ultisil ® ion exchange columns are available for both Strong Anion Exchange (SAX) and Strong Cation Exchange (SCX) columns. The SCX/SAX columns are silica based with high resolution and high efficiency. Ultisil® SAX is a polar bonded phase, consisting of an ammonium-functionalized silane, while Ultisil® SCX is a classical strong cation exchange, consisting of a covalently bonded aromatic sulfonic acid moiety.
HPLC Columns
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