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J´Sphere
J'Sphere™ HPLC columns manufactured by YMC™ are octadecyl phases with various content of C18 groups at the silica surface, to produce three different J´sphere ODS packings with graduated hydrophobicity or polarity. The stepwise decrease of hydrophobicity in J´sphere ODS-H80, M80 and L80 series is accompanied by an opposite increase of the H-bonding capacity.
Product Line
Technical Data
| Phase-Name | Modification | Particle Size | Pore Size | End-capping | C-Content | USP | Surface | pH-Range | Tmax |
| J´Sphere ODS-H80 | C18 | 4 µm | 80 Å | + | 22% | L1 | 510 m2/g | 1.0‒9.0 | 50 °C |
| J´Sphere ODS-M80 | C18 | 4 µm | 80 Å | + | 14% | L1 | 510 m2/g | 2.0‒7.5 | 50 °C |
| J´Sphere ODS-L80 | C18 | 4 µm | 80 Å | + | 9% | L1 | 510 m2/g | 2.0‒7.5 | 50 °C |
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