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UniSil 10-120 PH Reversed-Phase Silica Chromatography Resin

UniSil® 10-120 PH is a key member of the NanoMicro UniSil®  product line. This reversed-phase chromatography resin features a surface-modified UniSil®  silica matrix with bonded reversed-phase groups, offering uniform particle size, high mechanical strength, high column efficiency, and high resolution. Its pore structure and chemical bonding are particularly well-suited for the separation and purification of small molecules such as antibiotics, peptides, and natural products. With its selectivity for π-π interactions, it is especially ideal for the separation of aromatic compounds.

UniSil® 10-120 PH utilizes advanced surface bonding and end-capping technology, providing excellent chemical stability. After 5 years of storage at room temperature, re-testing of multiple resin batches shows no significant changes in quality control results compared to the initial analysis.


Compared to similar products on the market, UniSil® 10-120 PH offers the following unique advantages:

  • Monodisperse silica resin with an extremely narrow particle size distribution, CV ≤ 5%;

  • Precisely controlled pore size and distribution, effective specific surface area, and pore volume, ensuring high loading capacity;

  • Unique end-capping technology effectively modulates residual silanol groups on the silica surface to meet diverse application requirements;

  • Excellent chemical stability, suitable for separation and purification at pH 2-8.

Performance Specifications

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Separation PrincipleReversed-Phase Chromatography
MatrixMonodisperse Silica
Particle Size10 µm
Pore Size120 Å
Particle Size CV≤5%
Pressure Limit<600 bar
Pore Volume~1.00 cm3/g
Specific Surface Area~300 m2/g
Bulk density~0.55 g /mL
Carbon Content≥11 %
pH Range2~8


Ordering Information

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Product Package SizeCatalog #
UniSil® 10-120 PH30 g19007-100012-4030
50 g19007-100012-4050
100 g19007-100012-4100
300 g19007-100012-4300
500 g19007-100012-4500
1 kg19007-100012-3001
5 kg19007-100012-3005
10 kg19007-100012-3010
50 kg19007-100012-3050
100 kg19007-100012-3100


Note: NanoMicro also offers preparative columns with inner diameters of 10/21.2/30/50 mm and lengths of 100/150/250 mm. For additional specifications or custom configurations, please contact us.