Ultra-pure Silica-based C18
The YMC Pro Family is based on a silica with an extremely low metal content. Low metal content suppresses polar interactions, as metal impurities cause silanol groups to become more acidic. This ensures YMC Pro Family phases provide excellent resolution for a wide range of compounds, especially basic pharmaceuticals. To minimize the unwanted interactions between residual silanols and the sample molecules that are responsible for asymmetric peaks, YMC utilizes a proprietary, highly effective endcapping process. Important for every chromatographer: YMC ensures that the physical properties, such as particle size, pore size, and metal content, are extremely reproducible from lot to lot.
YMC-Pack Pro C18 columns start with a tightly controlled, highly purified silica gel, followed by a high-coverage C18 bonding, and finish with a unique endcapping procedure utilizing Lewis acid/Lewis base chemistry. Together, these features provide unequaled separations with sharp and symmetrical peaks for all types of organic molecules, especially basic pharmaceuticals and chelating compounds.
- High performance, reproducible, reliable columns designed for the most demanding HPLC separations
- Made with lightly inert, ultra-pure, pH neutral silica
- Extremely rigorous physical and chemical specifications
- Novel Lewis acid/Lewis base endcapping
- Very high efficiency columns, typically 100,000 to 120,000 plates/meter for 5µm and 130,000 to – 150,000 plates/meter for 3µm packings
- Continues YMC’s proven lot-to-lot and column-to-column reproducibility.
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