(VLFEE) 3.5mL Flow Cell, Screw PTFE Connectors, 4 Windows, Lightpath 10mm, Fused
$283.00
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
VLFEE Flow Cell is a premium quartz flow cell designed for fluorescence spectroscopy and other high-sensitivity optical measurements. It features a 10 mm optical path length and 3.5 mL internal volume, providing excellent transmission stability and reliable performance for various analytical applications.
This model uses fused fabrication, assembled with quartz powder at high temperature without adhesives. This ensures good optical clarity and chemical resistance. The PTFE connectors provide strong chemical compatibility and secure connections for continuous-flow setups and laboratory instrumentation.
Fused Fabrication Features
- Excellent optical transmission from 190–2500 nm.
- No adhesive used — clean and inert flow channels.
- Can withstand up to 600 °C during long-term use.
- Good resistance to most acids and bases (except HF).
- Important: Not recommended for long-term storage of samples. Organic solvents such as toluene, acetone, or other aggressive organics may stain or damage the seams.
- Typical path length tolerance: ±0.06–0.08 mm.
Typical Applications
- Fluorescence spectroscopy
- Liquid chromatography flow detection
- Environmental and chemical monitoring systems
- OEM and research instrumentation
Key Features
- 10 mm optical path length
- 3.5 mL internal volume
- 4 optical windows for fluorescence excitation and detection
- PTFE connectors with excellent chemical compatibility
- UV/VIS compatible (190 – 2500 nm)
Technical Specifications
| Type | Flow Cell | Optical Path Length | 10 mm |
| Article No. | VLFEE | Volume | 3500 μL |
| Measuring Method | Fluorescence Cells | Connector | PTFE |
| 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: 37 mm Width: 10 mm Depth: 10 mm |
| Fabrication Method | Fused* | Package | Cell Only & PTFE Connectors |
Note: Fused fabrication offers high optical quality and chemical resistance without adhesives. However, due to seam staining and solvent sensitivity, it’s not recommended for long-term storage or use with aggressive organic solvents. Path length tolerance is approximately ±0.06–0.08 mm.
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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