Vials, Headspace, Crimp Top, Glass. Clear with Write-On Patch and fill lines. 20ml, 20mm Serum Finish, 23x75.5mm outer dimensions, Beveled Top and Rounded Bottom with a Tapered Neck. Perkin Elmer Compatible. MICROSOLV Brand. 100/PK.
Additional Info:
The 95025-PE-20WC MICROSOLV Headspace Vials are precision‑manufactured 20 mL crimp top vials designed for PerkinElmer® and Tekmar® autosamplers, combining high‑purity glass construction with integrated write‑on labeling and fill line markings for improved workflow efficiency.
With a beveled top, tapered neck, and rounded bottom, these vials provide enhanced sealing consistency, optimized heat transfer, and reproducible headspace equilibration, making them ideal for traceable and high‑throughput GC headspace applications.
Write‑On Patch & Fill Lines – Workflow Efficiency
Integrated write‑on patch for:
Sample identification
Method tracking
Printed fill lines for:
Consistent volume control
Improved reproducibility
Coating:
Epoxy paint resistant to chromatography solvents
✅ Enables:
clear labeling
standardized sample preparation
PerkinElmer & Tekmar Compatibility – Instrument Ready
Manufactured to meet PerkinElmer headspace vial specifications
Compatible with:
PerkinElmer® autosamplers
Tekmar® systems
Other 20 mm crimp‑top platforms
✅ Ideal for:
validated workflows
regulated laboratory environments
20 mL Volume – Maximum Capacity
Nominal volume: 20 mL
Provides:
Large sample capacity
Flexible headspace ratio optimization
✅ Suitable for:
trace analysis
low‑concentration analytes
high‑volume workflows
Beveled Top & Tapered Neck – Enhanced Sealing Precision
Beveled top:
Improves cap alignment
Tapered neck:
Ensures optimal septa compression
✅ Results in:
consistent, leak‑free sealing
reproducible results
Rounded Bottom – Improved Heat Transfer
Rounded geometry provides:
Uniform heating
Better headspace equilibration
✅ Enhances:
analytical precision
method repeatability
Type I Borosilicate Glass – Pharmaceutical Grade
First hydrolytic, Class A, Type N51A borosilicate glass
Provides:
Excellent chemical resistance
Low extractables
High thermal stability
✅ Suitable for:
regulated QA/QC environments
sensitive headspace GC methods
20 mm Crimp Top Finish – Secure Seal Integrity
Standard 20 mm serum finish
Designed for use with:
Aluminum or steel crimp caps and septa (sold separately)
✅ Ensures:
Airtight sealing
Reduced evaporation
Reliable containment of volatile compounds
Dimensions – Autosampler Optimized
Outer dimensions: 23 x 75.5 mm
Designed for:
Consistent autosampler compatibility
Reliable positioning
✅ Supports:
automated headspace GC workflows
Performance Positioning – Traceability + Capacity + Precision
Compared to standard vials:
✅ Built‑in labeling and fill lines
Compared to flat‑bottom designs:
✅ Improved heat transfer
Compared to non‑beveled designs:
✅ Better sealing consistency
✅ Ideal for:
traceable workflows
regulated laboratories
high‑throughput GC headspace analysis
Typical Applications
Headspace GC / GC‑MS analysis
Pharmaceutical QA/QC and validation
Environmental VOC testing
Food and flavor analysis
High‑throughput, traceable lab workflows
Important Usage Notes
Requires:
20 mm crimp caps and septa (sold separately)
Ensure:
Proper use of fill lines for consistent sample volumes
✅ Best suited for:
automated, traceable, high‑capacity workflows