18mm Screw Top Headspace Vial,10mL-20mL
1) Basic Information
| Product Name | 18mm Screw Top Headspace Vial,10mL-20mL |
| Material | Borosilicate Glass |
| Top Type | Screw Top |
| Vial Size | 22.5×46mm, 22.5×75mm |
| Volume(Metric) | 10 mL, 20mL |
| Vial Color | Clear/Amber |
| Bottom | Flat |
| Application | For GC |
| Packaging | 100/PK |
2） Product Overview
Screw headspace vials are specialized laboratory consumables designed for headspace sampling in chromatographic analysis. Featuring high-precision threaded necks, these vials form a tight, reliable seal with matching screw caps to prevent sample leakage during testing.
Ideal for both GC and HPLC applications, they are widely used to separate and analyze volatile compounds from liquid and solid samples. Manufactured from premium glass and specialty plastic materials, the vials deliver excellent chemical and physical stability to withstand complex chromatographic testing conditions.
3） Key Features
- Custom pre-assembly service for vials and caps is available on demand
- Magnetic screw caps support both conventional headspace testing and SPME sampling
- Two cap options: magnetic precision screw caps and closed precision screw caps
- High-precision threading structure improves septa tightness, effectively avoiding air leakage; ensures outstanding test repeatability for headspace analysis
- User-friendly screw design enables effortless tightening and opening, allowing on-site sample extraction without laboratory operation restrictions
4） Applications
Screw headspace vials are core tools for headspace sampling in gas chromatography (GC) and liquid chromatography (HPLC), specifically for extracting and detecting volatile components from solid and liquid matrices. Typical application scenarios include:
- Environmental Testing: Detection of pollutants in water and soil samples
- Food & Spice Analysis: Identification of flavor and aroma compounds in food and spices
- Pharmaceutical Industry: Quality control and ingredient testing for pharmaceutical raw materials
- General Chemical Analysis: Composition and purity verification of chemical reagents
Engineered for high-precision and high-sensitivity testing, these vials adapt to diverse temperature ranges and harsh chemical environments to ensure stable and accurate analytical results.
5）Ordering Information
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| Part No. | HGVS-1810CN | HGVS-1820CN | HGVS-1810AN | HGVS-1820AN |
| Description | 10mL Clear Precision Screw Headspace Vial, Round Bottom, 22.5*46mm | 10mL Amber Precision Screw Headspace Vial, Round Bottom, 22.5*46mm | 20mL Clear Precision Screw Headspace Vial, Round Bottom, 22.5*75.5mm | 20mL Amber Precision Screw Headspace Vial, Round Bottom, 22.5*75.5mm |