(VLB18) 60μL Flow Cell, 2 Windows, Lightpath 2mm, Length 18mm, Bonded
$208.00
This flow-through cuvette is for absorption applications, with a path length of 2 mm. For aqueous samples only. Use up to 100°C. The price is for 1 piece.
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- Type: Bonded, For aqueous samples only!
Description
VLB18 Flow Through Cuvette is a precision quartz cuvette designed for absorbance spectroscopy and other analytical applications that require low sample volume and stable signal transmission. With a 2 mm optical path length and 60 μL internal volume, it’s well suited for micro-volume flow measurements and high-sensitivity optical analysis.
This model uses bonded fabrication, which provides a cost-effective and flexible manufacturing process suitable for a wide range of custom flow cell geometries. Quartz connectors allow for secure fluid handling and excellent chemical compatibility.
Bonded Fabrication Features
- High UV–VIS transmission from 190 to 2500 nm.
- Economical and fast to manufacture — ideal for custom designs.
- Path length tolerance: ±0.06–0.08 mm.
- Suitable for general lab use, OEM instrumentation, and flow applications where ultra-long service life is not critical.
- Suitable for aqueous samples only. Not recommended for use with organic solvents or aggressive chemicals.
Typical Applications
- UV/VIS absorbance spectroscopy
- Flow injection and online monitoring
- Chromatography detector flow path
- General analytical and OEM applications
Key Features
- 2 mm optical path length
- 60 μL internal volume
- 2 clear windows for direct optical measurement
- Quartz connector for clean, inert flow channels
- UV/VIS compatible (190 – 2500 nm)
Technical Specifications
| Type | Flow Through Cuvette | Optical Path Length | 2 mm |
| Article No. | VLB18 | Volume | 60 μL |
| Measuring Method | Absorption Cells | Connector | Quartz |
| Number of Windows | 2 | Wavelength Range | UV/VIS (190 – 2500 nm) |
| Outside Dimensions | Height: 18 mm Width: 10 mm Depth: 6 mm |
Inside Dimensions | Aperture: 5 × 6 mm Depth: 2 mm Total Length: 30 mm |
| Fabrication Method | Bonded* | Package | Cell Only |
Note: Bonded fabrication offers a good balance of cost, optical performance, and chemical resistance, making this cuvette a versatile choice for many flow-through measurement systems. It has a path length tolerance of ±0.06–0.08 mm, which is suitable for standard analytical applications.
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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