Ultra Wide Pore UniSil Bare Silica Bulk Media, UniSil HP 5-1500 (CAT#: STEM-C-3124-ZJF)

Monodispersed bare silica particles are high-purity chromatographic media designed for analytical analysis and preparative purification of active pharmaceutical ingredients and other high-value substances. These particles feature uniform particle size, perfectly spherical shape, and exceptional mechanical strength, ensuring easy column packing, high efficiency, and low back pressure during chromatographic operations.
Ultra-wide pore size silica particles (UniSil UWP) are available in sizes ranging from 500Å to 2000Å, leveraging a unique pore size control technique that ensures uniform through-pore structures. With pore diameters of 1000Å and 2000Å, UniSil UWP media are particularly suitable for separating large molecules such as proteins, oligonucleotides, and other biomolecules that are challenging to separate using conventional narrow-pore media.
Additionally, high-pore-volume silica particles (UniSil HP series) are offered, featuring pore volumes greater than 1.1 ml/g, tailored for BioSEC applications to support biomolecular separations.
Silica particles with sizes of 50 µm and larger are also available for applications such as solid-phase extraction (SPE) and oligonucleotide synthesis. For instance, 50 µm silica particles with pore sizes of 500Å, 1000Å, and 1500Å have been successfully utilized as supports in oligonucleotide synthesis, providing versatile solutions for various research and industrial needs.

UniSil series
Matrix: Silica gel
Particle Size (μm): 2.0/2.7/3/5/10
Pore Size (Å): 500/1000/1500/2000
Particle Size CV: ＜5%
Surface Area (m²/g): ~80/~45/~30/~20
Pore Volume (cm³/g): ~0.75/~0.65/~0.65/~0.65
Max. Pressure (bar): ＜400
Working pH: 2-8
Operational Temperature (℃): 10-60
UniSil HP series
Matrix: Silica gel
Particle Size (μm): 2.0/3/5/10
Pore Size (Å): 500/1000/1250/1500/2000/3000
Particle Size CV: ＜5%
Surface Area (m²/g): 80/45/30/25/20/8
Pore Volume (cm³/g): 1.1/1.1/1.1/1.1/0.9/0.6
Max. Pressure (bar): ＜400
Working pH: 2-8
Operational Temperature (℃): 10-60

Innovative UniSil Revo Technology: UniSil Revo media utilize Precisely Controlled Silica (PCS) technology combined with a revolutionary process that eliminates micropores and enhances pore connectivity.
Enhanced Pore Accessibility: The modified pore structure of UniSil Revo particles allows for better accessibility of analytes, improving separation efficiency.
Improved Mechanical Strength: UniSil Revo particles feature excellent mechanical strength, ensuring durability and reliability in chromatography applications.
High pH Stability: The UniSil Revo media offer superior high pH stability compared to regular silica particles, making them suitable for demanding chromatographic conditions.
Thicker Pore Walls: The increased wall thickness among pores enhances the overall stability and performance of UniSil Revo particles.

STEM-C-3122-ZJF
STEM-C-3123-ZJF
STEM-C-3125-ZJF
STEM-C-3126-ZJF