Agilent, 122-1032, J&W DB-1 GC Column, 30 m, 0.25 mm, 0.25 µm, 7 inch cage
DB-1 30m, 0.25mm, 0.25u
Catalog Number: 122-1032
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| Capillary Tubing | Fused Silica |
|---|---|
| Film Thickness | 0.25 µm |
| Format | 7 inch |
| Inner Diameter (ID) | 0.25 mm |
| Length | 30 m |
| Phase | DB-1 |
| Polarity | Low Polarity |
| Temperature Range | -60 °C-325/350 °C |
| UNSPSC Code | 41115710 |
| USP Designation|MultiLine | G1|G2|G38|G9| |
| With Smart Key | No |
Answer:DB-1 is a low-polarity dimethylpolysiloxane capillary GC phase for many volatile organic compounds.
Answer:The column measures 30 m × 0.25 mm inner diameter and uses a 0.25 µm stationary-phase film.
Answer:The specified upper limits are 325 °C isothermal and 350 °C for a programmed temperature run.
The Agilent J&W DB-1 gas chromatography column provides low-polarity separation of volatile and semivolatile organic compounds in capillary GC methods. Its fused-silica capillary measures 30 m in length, 0.25 mm in internal diameter and 0.25 µm in stationary-phase film thickness. The 7-inch cage format fits common laboratory GC ovens that accept standard capillary columns. DB-1 uses a dimethylpolysiloxane phase with low selectivity for strongly polar interactions and is classified under several USP stationary-phase designations. The specified column temperature range extends from −60 °C to 325 °C isothermal, with a 350 °C programmed limit. Choose carrier-gas flow, inlet split and oven programming to suit analyte volatility and required resolution. Proper trimming, leak-free installation and clean inlet liners help protect the capillary from contamination. Avoid exceeding temperature limits or exposing an unpurged column to oxygen at elevated temperature, because these conditions can increase stationary-phase damage.
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