Agilent Headspace Screw Vials & Caps
All pictures shown are for illustration purpose only. Actual product may vary.
Agilent headspace screw vials and caps are compatible with a wide variety of headspace instrument platforms.
Agilent headspace screw vials are precision-threaded, making them an excellent choice for dependability and ease-of-use. They come in two sizes, 10 mL, or 20 mL in either clear or amber glass.
Agilent headspace screw caps are 18 mm and provide a tight seal and reproducible headspace results. Septa materials include PTFE/silicone and PTFE/butyl.
Agilent headspace screw kits combine headspace vials and closures together in a handy convenience pack.
Specification
Septa Specifications
| High Performance Septa | PTFE/Silicone* | Butyl | |
| Temperature range | 40 to 300ºC** | -40 to 200ºC | -50 to 150ºC |
| Use for multiple injections | No | Yes | No |
| Price | Most expensive | Economical | Economical |
| Resistance to coring | Excellent | Excellent | None |
| Recommended for storage | No | Yes | No |
| Best for | High temperature headspace applications | Most common HPLC and GC analyses, not as resistant to coring as P/S/P |
Organic solvents, acetic acids; impermeable to gasses |
*Agilent silicone is peroxide cured, making it more inert and less likely to interact with samples
** For up to one hour
