by Orochem
Monitor is a top-quality phase, providing excellent stability and reproducibility, and minimal secondary interaction. Monitor is a perfect choice for reversed phase separations requiring thoroughly base-deactivated columns, and excels in challenging pharmaceutical and peptide separations. We developed Monitor expressly for the chromatography of difficult-to-separate samples.
The spherical base silica is made using a two-step hydrolysis of high -purity TEOS under tightly controlled conditions. By using only high purity reactants to manufacture the base gel, excellent base-deactivation characteristics are achieved, and our reaction conditions are optimized to yield smooth pores with a narrow pore size distribution. Elimination of fines in the classification step results in columns of exceptionally low back pressure. Monitor columns have unsurpassed reduced surface activity, and excel in the separation of basic compounds, peptides, and amino acids.
Manufactured by Orochem Technologies Inc., using state -of-the-art technology; for reversed phase separations with minimal secondary interactions, Monitor Columns are an excellent alternative for most C18 applications requiring base-deactivated columns, especially for difficult pharmaceutical and peptide applications.
| Vendor | Orochem | Internal Diameter | |
| Brand | Monitor C18 | Pore size | 100 |
| Modifification | Silica/C18 | Surface Area | 300 |
| Mode | Reversed-Phase | pH stability from | 2.0 |
| Particle Size | pH stability to | 8.0 | |
| Length |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| GRACE | Alltima HP C18 Hi-Load | Reversed-Phase | Silica/C18 | 2.1 mm | 50 mm | 3.0 μm | 100 Å | On request |
| Fortis Technologies | Fortis C18 | Reversed-Phase | Silica/C18 | 2.1 mm | 100 mm | 5.0 μm | — | On request |
| Higgins Analytical | HAISIL 300 C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 50 mm | 5.0 μm | 300 Å | On request |
| Sepax Technologies | Sepax BR 120 C18 | Reversed-Phase | Silica/C18 | 30.0 mm | 250 mm | 10.0 μm | 120 Å | On request |
| Imtakt | Cadenza 5CD-C18 | Reversed-Phase | Silica/C18 | 6.0 mm | 250 mm | 5.0 μm | 120 Å | On request |
| Agilent Technologies | ZORBAX Stablebond | Reversed-Phase | Silica/C18 | 3.0 mm | 150 mm | 1.8 μm | 80 Å | On request |
| AcuTech Scientific | C18 | Reversed-Phase | Silica/C18 | 0.15 mm | 500 mm | 5.0 μm | 120 Å | On request |
| Imtakt | Presto FF-C18 | Reversed-Phase | Silica/C18 | 0.3 mm | 250 mm | 2.0 μm | Non-Porous Å | On request |
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