Waters, 186003975, ACQUITY UPLC BEH C18 VanGuard Pre-column, 130Å, 1.7 µm, 2.1 mm X 5 mm, 3/pk
Catalog Number: 186003975
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Category
Pack Size3/pk
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| Chemistry | C18 |
|---|---|
| Separation Mode | Reversed Phase |
| Particle Substrate | Hybrid |
| pH Range Min | 1 pH |
| pH Range Max | 12 pH |
| Maximum Pressure | 18000 psi (1240 Bar) |
| Endcapped | Yes |
| Silanol Activity | Low |
| Particle Shape | Spherical |
| Particle Size | 1.7 µm |
| Endfitting Type | Direct-Connect |
| Pore Size | 130 Å |
| Format | VanGuard Pre-column |
| Surface Area | 185 |
| System | UPLC, UHPLC |
| Particle Technology | BEH |
| USP Classification | L1 |
| Inner Diameter | 2.1 mm |
| Length | 5 mm |
| Carbon Load | 18 % |
| UNSPSC | 41115709 |
| Brand | ACQUITY UPLC |
| Product Type | Guards |
| Units per Package | 3 pk |
Answer:It is 2.1 mm × 5 mm, with 1.7 µm particles and 130 Å pores.
Answer:It uses a direct-connect endfitting at the ACQUITY UPLC analytical-column inlet.
Answer:The phase supports pH 1–12.
ACQUITY UPLC BEH C18 VanGuard Pre-column, 130Å, 1.7 µm, 2.1 mm X 5 mm, 3/pk is designed for protecting compatible ACQUITY UPLC BEH C18 analytical columns while retaining matching reversed-phase selectivity. The guard uses 1.7 µm spherical bridged-ethylene-hybrid particles with a 130 Å pore size and a trifunctionally bonded, endcapped C18 stationary phase. Its 2.1 mm internal diameter and 5 mm bed length provide a compact guard format. A direct-connect endfitting attaches the VanGuard pre-column to the analytical-column inlet, reducing additional connection volume and possible leak points. The phase supports pH 1–12, a maximum pressure of 18,000 psi (1240 bar), and the USP L1 classification. Low silanol activity and low column bleed support sensitive reversed-phase UPLC and MS methods when used with compatible equipment. The pack contains three guards. This product protects the analytical column from contaminants; it is not a 50 mm or 150 mm analytical column and should not be confused with a different particle-size or stationary-phase guard.
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