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ASTRA® Si HPLC Column, 5,0 µm 250 mm x 4,0 mm
Reference: AST-5905-LM40
The ASTRA® brand extends new line of the ARION^® HPLC columns.
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on inquiry
Availability: ask us
Product description
Product description
The ASTRA® brand extends new line of the ARION^® HPLC columns. What new bring this column to you?
- Strict quality control of alkaline and heave metals content during silica gel production process (<10 ppm)
- Narrow particle size and pore volume/size distribution
- Unique production process ensuring high lot-to-lot reproducibility
- High end-capping in gaseous phase
Main particle characteristics:
- High proximity to the circle
- Surface smoothness
- Tight particle size distribution
- No broken particles
- No presence of clustered particles
- No “Moon craters or mountains”
Aplications on Astra® HPLC columns are available at „APPLICATION LIST“: https://www.chromservis.eu/…cation-lists
Parameters
Parameters
| Brand: | Astra Si |
| Category: | Laboratory instruments and accessories / Chromatography / HPLC columns |
ASTRA® Si Silicagel
| Endcapping | – |
| USP | Code L3 |
| Mean particle diameter | 4.6±1.2 μm |
| Surface area | 330 m2/g |
| Carbon load | – |
| Proximity to the shape of Circle | 0.96±0.04 |
| Temperature stability | 100 °C |
| pH stability | 2.0 to 7 (depends on buffer used) |
Note: Temperature stability depends on mobile phase used and silica bonding
Dimensions
| ID | 4mm |
| LC column length | 250mm |
Stationary Phases
| Particle Size | 5µm |
| Pore Size | 100A |
| LC Phases | Silica |
| Brand | Astra Si |
| Particle Type | Fully Porous |
Use
| LC Technique | HPLC |
Accessories
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ARION® Guard System holder for 5 mm cartridges, SS ferrule, up to 900 bar, 1 pc
In stock > 5 ks
on inquiry
