| Agency Method|MultiLine | EPA 1614 |
|---|---|
| Capillary Tubing | High Temperature Fused Silica |
| Film Thickness | 0.1 µm |
| Format | 7 inch |
| Inner Diameter (ID) | 0.25 mm |
| Length | 15 m |
| Phase | DB-5ht |
| Polarity | Low Polarity |
| Temperature Range | -60 °C-400 °C |
| UNSPSC Code | 41115710 |
| With Smart Key | No |
Answer:The DB-5ht column measures 15 m × 0.25 mm ID with a 0.10 µm stationary-phase film.
Answer:The official column temperature range extends from −60 to 400 °C.
Answer:No direct equivalence should be assumed. This is the high-temperature DB-5ht construction with a specific thin-film geometry.
The Agilent J&W DB-5ht capillary GC column is a low-polarity high-temperature fused-silica separation column for compatible gas chromatography methods. The 15 m capillary has a 0.25 mm internal diameter and a thin 0.10 µm stationary-phase film. Its high-temperature construction supports an official temperature range of −60 to 400 °C, which is particularly relevant when developing separations for higher-boiling analytes that require elevated oven programs. The short length and thin film influence retention, loading and peak shape, so a longer or thicker-film column should not be substituted without method review. This is a conventional 7-inch-cage capillary, not an Intuvo chip or a Smart Key product. Use clean carrier gas and a compatible inlet, then condition the column within its stated operating limits.
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