(VALB350) 350μl Absorption Cuvette with Stopper, Molded, Lightpath 1mm, 2 Clear Windows
$1,094.00
This wide clear wall cuvette is for absorption applications, with a path length of 1 mm. Resistant to most chemicals. Use up to 1200°C (Cell Only). The price is for 1 piece.
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- Type: Molded
Description
VALB350 Absorption Cuvette is a precision-molded quartz cuvette designed for short-path absorbance measurements, offering a 1 mm optical path length and a 350 μL internal volume. Its wide clear wall design (20 × 26 mm) and two optical windows provide superior light transmission and stable measurement performance across the UV/VIS range (190–2500 nm).
Equipped with a PTFE stopper, this cuvette ensures airtight sealing, making it suitable for applications requiring protection from evaporation, contamination, or oxidation. The low sample volume and short path length make it ideal for high-concentration or precious samples where signal saturation needs to be controlled.
Typical Applications
- UV/VIS absorbance measurements at short path lengths
- High-concentration sample testing
- DNA, RNA, and protein assays
- Environmental and chemical analysis
- Routine lab and instrument calibration work
Key Features
- 1 mm path length — excellent for high concentration absorbance
- 350 μL volume minimizes sample usage
- Wide 20 × 26 mm clear walls for stable optical alignment
- Airtight PTFE stopper prevents sample loss and contamination
- Quartz material ensures excellent UV/VIS transmission
Technical Specifications
| Type | 350 μL Cuvette | Optical Path Length | 1 mm |
| Article No. | VALB350 | Volume | 350 μL |
| Measuring Method | Absorption Cells | Wavelength Range | UV/VIS (190 – 2500 nm) |
| Clear Walls | 20 × 26 mm | Number of Windows | 2 |
| Outside Dimensions | H 20 mm × W 26 mm × D 5 mm | Inside Dimensions | W 22 mm × D 1 mm |
| Airtight | Yes | Fabrication Method | Molded* |
| Package | Cell & PTFE Stopper | ||
Note: Ideal for short path absorbance applications, especially when working with concentrated or limited samples. The airtight stopper ensures sample integrity during measurement and handling.
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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