(VLFPT) 3.5mL Flow Cell, Screw PTFE Connectors, 4 Windows, Lightpath 10mm, Fused
$205.00
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
VLFPT Flow Cell is a high-performance quartz flow cell specifically designed for fluorescence spectroscopy and other optical measurements requiring clean, stable, and reliable transmission. It features a 10 mm optical path length and a 3.5 mL internal volume, making it ideal for medium-to-large flow applications where signal stability is critical.
This model uses fused fabrication, which involves assembling with quartz powder under high temperatures — without any adhesives. This ensures good optical quality and chemical resistance while maintaining structural integrity. The PTFE connectors provide excellent chemical compatibility and secure fluid connections for continuous-flow analysis.
Fused Fabrication Features
- Excellent optical transmission from 190–2500 nm.
- No adhesives used — providing clean, 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 sample storage. Aggressive organics such as toluene, acetone or similar solvents may stain or degrade the seams.
- Path length tolerance: ±0.06–0.08 mm.
Typical Applications
- Fluorescence spectroscopy
- LC and process flow detection systems
- Environmental and chemical analysis
- OEM optical instruments
Key Features
- 10 mm optical path length
- 3.5 mL internal volume
- 4 clear windows for fluorescence excitation and detection
- PTFE connectors for strong chemical compatibility
- UV/VIS compatible (190 – 2500 nm)
Technical Specifications
| Type | Flow Cell | Optical Path Length | 10 mm |
| Article No. | VLFPT | 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 ensures strong chemical resistance and high optical clarity without adhesives. However, it is not suitable for long-term storage with aggressive organic solvents and has a larger path length tolerance (±0.06–0.08 mm) compared to molded fabrication.
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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