Catalog Number - 95025-E-CT-20C

The 95025-E-CT-20C BASIK Headspace Vials are a made‑to‑order 20 mL crimp top vial, engineered for CTC PAL® headspace autosamplers, delivering high‑purity borosilicate glass, optimized geometry, and reliable analytical performance for demanding GC headspace applications.

Featuring a rounded bottom with a tapered neck, these vials provide enhanced heat transfer, improved septa compression, and reproducible headspace conditions, making them ideal for high‑capacity, high‑precision laboratory workflows.

✅ Recommended for validated CTC PAL® workflows

CTC PAL® Compatibility – Instrument Ready

• Manufactured to meet CTC PAL® headspace vial specifications

• Compatible with:

  • CTC PAL® autosamplers

  • Other 20 mm crimp‑top systems

✅ Ideal for:

• automated workflows

• multi‑instrument laboratory environments

20 mL Volume – Maximum Capacity

• Nominal volume: 20 mL

• Provides:

  • Largest standard headspace vial capacity

  • Maximum flexibility for headspace ratio optimization

✅ Suitable for:

• trace‑level analysis

• low concentration analytes

• large sample volume methods

Rounded Bottom – Enhanced Heat Transfer

• Rounded geometry provides:

  • Uniform heat distribution

  • Improved headspace equilibration

✅ Enhances:

• analytical precision

• method reproducibility

Tapered Neck – Improved Sealing Performance

• Tapered neck design:

  • Enhances septa compression

  • Reduces sealing variability

✅ Ensures:

• consistent, leak‑free sealing

• repeatable analytical results

Type I Borosilicate Glass – High Purity Construction

• First hydrolytic, Class A borosilicate glass

• Provides:

  • Excellent chemical resistance

  • Low extractables

  • High thermal stability

✅ Suitable for:

• sensitive headspace GC workflows

• regulated QA/QC environments

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: 22.5 x 75.5 mm

• Designed for:

  • Consistent autosampler compatibility

  • Reliable positioning and handling

✅ Supports:

• automated headspace GC workflows

Performance Positioning – Thermal Efficiency + Capacity Option

• Compared to flat‑bottom vials:

  • ✅ Improved heat transfer

• Compared to non‑tapered designs:

  • ✅ Better sealing consistency

• Compared to smaller vial formats:

  • ✅ Maximum capacity

✅ Ideal for:

• CTC PAL® headspace systems

• high‑throughput laboratories

• precision GC headspace analysis

Typical Applications

• Headspace GC / GC‑MS analysis

• Environmental VOC testing

• Pharmaceutical QA/QC

• Food and flavor analysis

• High‑capacity analytical workflows

Important Usage Notes

• Requires:

  • 20 mm crimp caps and septa (sold separately)

✅ Best suited for:

• automated, high‑capacity headspace GC workflows

🚨Made‑to‑Order & Pricing Information

This is a custom, made‑to‑order item.

• Please contact Customer Service for formal quotation, lead time, and ordering assistance. Classification: