(VAOFI20) 7mL IR Cuvette with PTFE Lid, Fused, Round Base, Lightpath 20mm
$66.00
This IR cuvette is for wavelength 250 – 3500 nm, with a path length of 20 mm. Resistant to most chemicals. Use up to 600°C. The price is for 1 piece.
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- Type: Fused
Description
VAOFI20 Fused Quartz IR Cuvette is a 2-window cuvette with a 20 mm optical path length and a 7 ml internal volume.
It is specifically designed for IR and UV/VIS transmission spectroscopy where extended path length is required to enhance sensitivity for low-concentration samples.
The cuvette features a fused fabrication, providing high temperature and solvent resistance, and a round base for compatibility with most instruments. A PTFE lid offers light coverage for short-term measurements.
Key Features
- 20 mm extended optical path — ideal for applications that require enhanced sensitivity in IR and UV/VIS spectroscopy.
- 2-window configuration — optimized for absorbance and transmission measurements with minimal signal loss.
- Fused fabrication — withstands high temperatures up to 600 °C and resists most acids and bases.
- Wide spectral range — 250 – 3500 nm, suitable for a broad range of analytical applications.
- PTFE lid — provides light sealing to reduce evaporation and contamination during short-term use.
Typical Applications
- Infrared and UV/VIS absorbance spectroscopy.
- Low-concentration sample detection requiring longer path length.
- Quantitative environmental and chemical analysis.
- Thermal or chemically demanding experiments.
Fused Fabrication Notes
- Fused construction allows heating up to 600 °C (1112 °F).
- Excellent chemical resistance except against HF, toluene, acetone, and other strong organic solvents that reduce service life.
- Small powder seams may discolor with long-term storage; not recommended for storing samples for extended periods.
- PTFE lid provides basic protection but does not isolate oxygen or volatiles.
Cuvette Specifications
| Type | Infrared Quartz Cuvette | Optical Path Length | 20 mm |
| Article No. | VAOFI20 | Volume | 7 ml |
| Measuring Method | Absorption Cells | Base Type | Round |
| Number of Windows | 2 | Wavelength Range | 250 – 3500 nm |
| Height | 45 mm | Width (Inside) | 10 mm |
| Width (Outside) | 12.5 mm | Depth (Inside) | 20 mm |
| Depth (Outside) | 22.5 mm | Center Height (Z) | 8.5 – 20 mm |
| Fabrication Method | Fused* | Package | Cell & Lid |
| Notes | 1. Temperature resistant up to 600 °C (1112 °F). 2. Acid, base, and most organic solvent resistant. 3. Avoid HF, toluene, acetone, or other aggressive solvents to extend service life. 4. Packed with foam and bubble wrap for safe transport and drop tested before shipment. |
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Note: Fused fabrication provides high chemical and thermal resistance. PTFE lid offers basic coverage but is not suitable for airtight or volatile sample storage. Avoid aggressive solvents to preserve the optical quality of the cuvette.
Comparison of Fabrication Types
| 1 | 2 | 3 | 4 | ||
|---|---|---|---|---|---|
| *Molded | *Fused | *Bonded / Glued | |||
| UV vis ( 190- 2500 nm) | Yes | Yes | Yes | ||
| Transmission Matched | On Request | No | No | ||
| Transmission > 80% | Yes | Yes | Yes | ||
| Resistant to Acids and Bases (except hydrofluoric acid) | Yes | Yes | No | ||
| Resistant to Organic Solvents | Yes | Yes | No | ||
| Usable upto 600°C (1112°F) | Yes | Yes | Yes | ||
| Usable upto 1200°C (2192°F) | Yes | No | No | ||
| 0 Variations Reading | On Request | No | No | ||
| Fabrication | Molded | Assembled with Quartz Powder | Assembled with Glue | ||
| Adhesives | No | No | Yes | ||
| Storage | Short Term Storage | Clean After Use | Clean After Use | ||
| Available Material | Fused Quartz Material | ||||
| Note | Molded and fused cuvettes and cells are assembled by direct fusion without the use of adhesives throughout the production process. This guarantees resistance against corrosive chemicals and high temperature. Each quartz cuvette and cell has excellent transmission from 190nm to 2500nm. | ||||
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