GromSil is a comprehensive group of HPLC columns from Dr. Maisch HPLC GmbH, based on high-purity, fully porous silica available in various pore sizes (60 Å, 80 Å, 100 Å, 120 Å, 200 Å, and 300 Å). This platform supports a wide range of bonded phases—including C18, C8, CN, Phenyl, NH₂, Diol, and bare silica—making it highly versatile for reversed-phase, normal-phase, and polar retention applications.
Engineered for analytical and preparative use, the group offers excellent mechanical stability, reproducible retention behavior, and consistent batch quality. Whether used for small organic molecules or larger biomolecules, GromSil columns provide robust performance across diverse separation challenges.
The GromSil group from Dr. Maisch HPLC GmbH offers an adaptable column platform with proven reliability — ideal for laboratories seeking flexible, high-resolution solutions across multiple chromatographic modes.
| Particle Sizes | 3 – 15 µm |
|---|---|
| Pore Sizes | 100 Å |
Fully porous silica platform with multiple pore sizes and bonded chemistries
Suitable for reversed-phase, normal-phase, and adsorption chromatography
High column efficiency, reproducibility, and mechanical robustness
Broad selection of particle sizes: 3 µm, 5 µm, and 10 µm
Customizable selectivity for diverse method development needs
Separation of pharmaceuticals, fine chemicals, natural products, and peptides
LC method development with orthogonal selectivity options
Normal-phase and polar retention workflows using CN, NH₂, and bare silica
Routine and advanced analytical tasks in QC, R&D, and process monitoring
| Name | Particle Sizes | Carbon Load | Pore Size |
|---|---|---|---|
| GromSil Amino-3 CP | 5 µm | 100 Å | |
| GromSil Anion | 5 µm | ||
| GromSil C8-Palmitat | 3 µm | ||
| GromSil Octyl-5 CP | 3 – 5 µm | 100 Å | |
| GromSil ODS-3 CP | 3 – 15 µm | 100 Å | |
| GromSil PAH | 5 µm | ||
| GromSil Phenyl-2 CP | 3 – 5 µm | 100 Å | |
| GromSil TMS-2 CP | 3 – 5 µm | 100 Å |