(VLFQU) 3.5mL Flow Cell, Quartz Tube, 4 Windows, Lightpath 10mm, Fused
$154.00
This flow-through cuvette is for fluorescence applications, with a path length of 10 mm. Resistant to most chemicals. Use up to 600°C. The price is for 1 piece.
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- Type: Fused
Description
VLFQU Flow Cell is a high-precision quartz flow cell designed for fluorescence spectroscopy and other optical measurement applications requiring stable signal transmission and high chemical resistance. It features a 10 mm optical path length and a 3.5 mL internal volume, making it ideal for medium to large sample flows in analytical and research settings.
This model uses fused fabrication, assembled with quartz powder at high temperatures, ensuring excellent optical clarity and no use of adhesives. Its quartz tube connector offers high chemical resistance and durability, making it suitable for demanding continuous-flow systems.
Fused Fabrication Features
- Excellent optical transmission across 190–2500 nm wavelength range.
- Adhesive-free construction ensures clean, inert flow channels.
- Can be heated up to 600 °C for long-term use.
- Good resistance to most acids and bases (except HF).
- Note: Not suitable for long-term storage with aggressive organic solvents such as toluene or acetone, which can stain or degrade seams.
- Path length tolerance: ±0.06–0.08 mm.
Typical Applications
- Fluorescence spectroscopy
- Process and environmental monitoring
- Chromatography detector flow cells
- OEM and custom optical systems
Key Features
- 10 mm optical path length
- 3.5 mL internal volume
- 4 clear windows for fluorescence excitation and detection
- Quartz tubing connector for robust chemical compatibility
- UV/VIS compatible (190 – 2500 nm)
Technical Specifications
| Type | Flow Cell | Optical Path Length | 10 mm |
| Article No. | VLFQU | Volume | 3500 μL |
| Measuring Method | Fluorescence Cells | Connector | Quartz |
| Number of Windows | 4 | Wavelength Range | UV/VIS (190 – 2500 nm) |
| Outside Dimensions | Length: 45 mm Width: 12.5 mm Depth: 12.5 mm |
Inside Dimensions | Length: 41 mm Width: 10 mm Depth: 10 mm |
| Fabrication Method | Fused* | Package | Cell Only |
Note: Fused fabrication offers strong chemical resistance and excellent optical quality without adhesives, but it is less tolerant to aggressive organics and has a slightly larger path length tolerance (±0.06–0.08 mm) compared to molded fabrication. Recommended for applications requiring high optical performance and clean flow conditions.
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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