Caps, Crimp Top, Silicone Rubber / PTFE, ultra-pure, Pre-Slit Septa, fitted in aluminum, Silver Caps. For use with 11mm Crimp or Snap Top, 12x32mm autosampler vials. AQR Brand. 100/PK.
Additional Info:
The 9509C-AQR-3S AQR™ Crimp Caps are designed for high‑purity chromatographic applications, featuring ultra‑clean silicone rubber/PTFE septa with pre‑slit openings to enable easy, consistent autosampler needle penetration.
Constructed with silver aluminum crimp caps, these closures provide a secure, airtight seal, making them ideal for LC‑MS, LC‑MS/MS, GC‑MS, and HPLC workflows where both low background interference and injection reliability are critical.
Compatible with 11 mm crimp‑top and snap‑top, 12 × 32 mm autosampler vials, these caps support high‑throughput and precision analytical environments.
Ultra‑Pure Pre‑Slit Silicone/PTFE Septa
Dual‑layer silicone rubber / PTFE septa
Pre‑slit design for:
Reduced injection force
Consistent needle entry
Minimizes:
Extractables
Leachables
Background interference
✅ Ideal for high‑sensitivity LC‑MS and GC‑MS workflows
Pre‑Slit Design – Optimized for Autosamplers
Allows easy needle penetration without coring
Reduces:
Septa fragmentation
Particle generation
✅ Ensures consistent, reproducible injections
Crimp Top Format – Maximum Seal Integrity
11 mm aluminum crimp cap
Provides:
Airtight sealing
Excellent evaporation resistance
Strong performance with volatile samples
✅ Preferred for critical analyses and long sample storage
Compatible with Crimp & Snap Top Vials
Fits:
11 mm crimp‑top vials
11 mm snap‑top vials (with proper tools)
Standard 12 × 32 mm vial compatibility
✅ Flexible for varied lab workflows
Durable Aluminum Construction
Silver aluminum cap body
Ensures:
Uniform crimping
Consistent mechanical sealing
Chemical resistance
✅ Supports reliable long-term use
Designed for High‑Sensitivity Applications
Suitable for:
LC‑MS and LC‑MS/MS
GC‑MS (including volatile analytes)
HPLC autosampler systems
✅ Delivers low‑noise signals and reproducible data
Alternative Option (Non‑Pre‑Slit Septa)
✅ Also available:
Typical Applications
LC‑MS and LC‑MS/MS workflows
GC‑MS analysis of volatile compounds
HPLC autosampler injections
Pharmaceutical and environmental testing
High‑throughput analytical labs
Important Usage Notes
Requires crimping tool for proper sealing
Pre‑slit septa allow easier injection but slightly lower reseal resistance than non‑slit septa
Ideal for automated, high‑throughput injection systems
✅ Also available:
Crimping Tools for 11 mm Aluminum Caps for Autosampler Vials (required for proper sealing)