Catalog Number - 95025-CT-20C

The 95025-CT-20C MICROSOLV Headspace Vials are precision‑manufactured 20 mL crimp top vials designed for high‑capacity headspace GC applications, offering CTC PAL® compatibility, pharmaceutical‑grade glass, and reliable analytical performance.

Featuring a rounded bottom design, these vials provide enhanced heat transfer and improved headspace equilibration, making them ideal for high‑throughput and multi‑instrument laboratory workflows.

CTC PAL® & Multi‑Platform Compatibility – Instrument Ready

• Manufactured to meet CTC PAL® headspace vial specifications

• Compatible with:

  • CTC PAL® autosamplers

  • Thermo® systems

  • Other 20 mm crimp‑top platforms

✅ Ideal for:

• multi‑instrument laboratories

• standardized GC workflows

⚠️ Note:

• Not suitable for:

  • Thermo HS 250 or HS 500 autosamplers

20 mL Volume – Maximum Capacity

• Nominal volume: 20 mL

• Provides:

  • Maximum sample capacity

  • Flexible headspace ratio optimization

✅ Suitable for:

• trace analysis

• low concentration analytes

• large sample volume methods

Rounded Bottom – Enhanced Heat Transfer

• Rounded geometry provides:

  • Uniform heat distribution

  • Improved equilibration

✅ Enhances:

• analytical precision

• method reproducibility

Type I Borosilicate Glass – Pharmaceutical Grade

• First hydrolytic, Class A pharmaceutical grade glass

• Provides:

  • Excellent chemical resistance

  • Low extractables

  • High thermal stability

✅ Suitable for:

• regulated laboratory environments

• sensitive GC headspace workflows

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 fit

  • Reliable positioning and transport

✅ Supports:

• automated headspace GC systems

Performance Positioning – Maximum Capacity + Thermal Efficiency

• Compared to flat‑bottom vials:

  • ✅ Improved heat transfer

• Compared to smaller vial formats:

  • ✅ Greater sample capacity

• Compared to single‑platform vials:

  • ✅ Broad autosampler compatibility

✅ Ideal for:

• CTC PAL® workflows

• multi‑instrument labs

• high‑throughput GC headspace analysis

Typical Applications

• Headspace GC / GC‑MS analysis

• Environmental VOC testing

• Pharmaceutical QA/QC

• Food and flavor analysis

• Trace‑level and large‑volume methods

Important Usage Notes

• Requires:

  • 20 mm crimp caps and septa (sold separately)

• Ensure:

  • Compatibility with autosampler (see exclusions above)

✅ Best suited for:

• automated, high‑capacity headspace workflows