| Agency Method|MultiLine | ASTM D5075 |
|---|---|
| Capillary Tubing | Fused Silica |
| Film Thickness | 1 µm |
| Format | 7 inch |
| Inner Diameter (ID) | 0.32 mm |
| Length | 30 m |
| Phase | DB-5 |
| Polarity | Low Polarity |
| Temperature Range | -60 °C-325/350 °C |
| UNSPSC Code | 41115710 |
| USP Designation|MultiLine | G27|G36|G41| |
| With Smart Key | No |
Answer:It uses a low-polarity phenyl-substituted methylpolysiloxane phase.
Answer:The film thickness is 1.00 µm.
Answer:Yes. This 30 m × 0.32 mm configuration uses a 7-inch cage.
Agilent J&W DB-5 is a low-polarity fused-silica GC column with a phenyl-substituted methylpolysiloxane stationary phase. The 30 m capillary combines a 0.32 mm internal diameter and 1.00 µm film thickness, supporting routine separations of hydrophobic and moderately aromatic organic compounds in suitable methods. The DB-5 phase provides familiar general-purpose selectivity distinct from high-polarity wax or cyanopropyl phases. A standard 7-inch cage fits conventional GC ovens. The specified temperature range extends from −60 to 325/350 °C for isothermal and programmed-temperature operating modes.
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