Agilent CN Guard Cartridges 4.6 x 12.5 4/PK 820950-905
Agilent Technologies -- Item TECPIM000150516
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Agilent ZORBAX CN Guard Cartridges (part number 820950-905, 4/pack) are cartridge-format HPLC guard columns with a cyano (CN) bonded phase. They are specified for use on HPLC systems and intended for normal‑ and reversed‑phase separations. Typical uses are as replaceable guard cartridges to protect analytical columns and maintain chromatographic performance in routine analytical workflows.
Key Features:
- Phase: ZORBAX Original CN (cyano bonded)
- Format/Pack: Guard cartridge, 4 per pack (820950-905)
- Dimensions: 4.6 mm I.D. × 12.5 mm length
- Particle size: 5 µm; Pore size: 70 Å
- Pressure rating: 400 bar; Maximum temperature: 60 °C
- pH range: 2–7
- Endcapped: Yes; Carbon load: 7%
Advantages:
- Provides replaceable inlet protection to extend the lifetime of analytical columns by keeping particulates and strongly retained contaminants out of the main column.
- Works for both normal‑ and reversed‑phase methods using ZORBAX CN chemistry to preserve method selectivity.
- Robust operating limits (400 bar, up to 60 °C, pH 2–7) make it compatible with common HPLC conditions and high‑pressure operation.
Product Details
Overview
| Model | |
|---|---|
| Product Type | Consumables |
| Part Number | 820950-905 |
| Brand | Agilent Technologies |
| Gross Dimensions (WxDxH cm) | |
| Net Dimensions (WxDxH cm) | |
| Gross Weight (kg) | |
| Net Weight (kg) |
Specifications
| Separation Mode | Normal Phase/Reversed Phase |
|---|---|
| Particle Size | 5 µm |
| Length | 13 mm |
| Inner Diameter | 4.6 mm |
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