(VAOB18) 18ml Absorption Cuvette, Bonded, Lightpath 9.4mm, 63x36x14 mm, 2 Clear Windows
$155.00
This wide clear wall cuvette is for absorption applications, with a path length of 9.4 mm. For aqueous samples only. Use up to 100°C. The price is for 1 piece.
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- Type: Bonded
Description
VAOB18 Bonded Quartz Absorption Cuvette is a 2-window cuvette with a 9.4 mm optical path length and an 18 ml volume. It features a wide clear wall design, ideal for UV/VIS absorbance measurements where slightly shorter path lengths are preferred for handling medium to high concentration samples. Bonded fabrication provides a cost-effective and reliable option for routine laboratory use.
Key Features
- 9.4 mm optical path length — ideal for absorbance measurements with medium to high concentration samples.
- 2-window design — optimized for standard straight-beam spectroscopy.
- Bonded fabrication — economical construction with good resistance to mild solvents.
- Wide wall geometry — ensures stable light transmission for routine analytical measurements.
- Broad wavelength range — 190 – 2500 nm, suitable for UV/VIS and NIR applications.
Typical Applications
- UV/VIS absorbance and transmission studies.
- Routine laboratory assays.
- Protein and nucleic acid quantification at 260/280 nm.
- Environmental and chemical analysis.
- Quality control in research and industrial settings.
Bonded Fabrication Notes
- Bonded fabrication offers cost-effective performance for standard applications.
- Not recommended for high-temperature use or aggressive organic solvents.
- Best suited for aqueous and mild solvent environments.
- Typical path length tolerance is ±0.06 – 0.08 mm.
Cuvette Specifications
| Type | Absorption Quartz Cuvette | Optical Path Length | 9.4 mm |
| Article No. | VAOB18 | Volume | 18 ml |
| Measuring Method | Absorption Cells | Clear Walls | 63 × 36 mm |
| Number of Windows | 2 | Wavelength Range | UV/VIS (190 – 2500 nm) |
| Height | 63 mm | Width (Inside) | 31.4 mm |
| Width (Outside) | 36 mm | Depth (Inside) | 9.4 mm |
| Depth (Outside) | 14 mm | Center Height (Z) | 8.5 – 20 mm |
| Fabrication Method | Bonded* | Package | Cell Only |
Note: Bonded fabrication provides economical performance suitable for routine UV/VIS absorbance applications.
It is not recommended for use with high temperatures or aggressive organic solvents.
The 2-window design ensures stable optical transmission for reliable measurements in research and quality control settings.
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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