(VG043) 7mL Absorption Cuvette with Lid, Glass Material, Fused, Lightpath 20mm, 350 – 2000nm, 2 Clear Walls
$8.00
This glass absorption cuvette is for spectrophotometry applications, with a path length of 20 mm. Resistant to most chemicals. The price is for 1 piece.
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- Type: Fused
Description
VG043 – 7 mL Glass Absorption Cuvette (Fused, 20 mm Path Length, 2 Windows, With Lid)
The VG043 is a high-quality optical glass cuvette designed for absorption spectroscopy in the visible and near-infrared range. With a 20 mm optical path length, it offers higher measurement sensitivity than standard 10 mm cuvettes, making it an excellent choice for low-concentration analysis and colorimetric testing. The fused glass fabrication ensures precision, durability, and resistance to chemical degradation.
Key Features
- Sample volume: 7 mL — suitable for small to medium-volume measurements.
- 20 mm optical path length: doubles the sensitivity compared to 10 mm cuvettes, ideal for weak absorbance signals.
- 2 optical windows: high-quality polish ensures excellent light transmission and low stray light.
- Optical glass material: transparent from 350–2000 nm for VIS/NIR spectroscopy.
- Fused fabrication: provides dimensional accuracy and long-lasting durability.
- Wavelength range: VIS (350 – 2000 nm).
Typical Applications
- Trace and low-concentration chemical analysis
- Colorimetric assays and environmental testing
- Water and solution quality monitoring
- Routine laboratory and research use
Cuvette Specifications
| Type | 20 mm Glass Cuvette | Optical Path Length | 20 mm |
| Article No. | VG043 | Volume | 7,000 µL |
| Measuring Method | Absorption Cells | Material | Optical Glass |
| Number of Windows | 2 | Wavelength Range | VIS (350 – 2000 nm) |
| Outside Dimensions | |||
| Height | 45 mm | Width | 12.5 mm |
| Depth | 22.5 mm | ||
| Inside Dimensions | |||
| Width | 10 mm | Depth (Inside) | 20 mm |
| Center Height (Z) | 8.5 – 20 mm | Fabrication Method | Fused* |
| Package | Cell & Lid | ||
About Long-Path Glass Cuvettes
Long-path glass cuvettes improve the detection of low-concentration analytes by increasing the optical path:
- Excellent VIS/NIR transmission (350–2000 nm)
- Enhanced sensitivity vs. 10 mm cuvettes
- Cost-effective and durable for daily use
- Not recommended for UV measurements below 350 nm
Usage Notes
- Ideal for colorimetric assays and environmental analysis.
- Compatible with spectrophotometers designed for 20 mm path length.
- Not suitable for aggressive chemical solvents.
Note: For UV applications or harsh chemical environments, quartz cuvettes are recommended. Glass cuvettes provide excellent VIS/NIR performance at lower cost.
Cuvette Specifications
| 1 | 2 | 3 | 4 | |||
|---|---|---|---|---|---|---|
| Type | 20mm Glass Cuvette | Optical Path Length | 20 mm | |||
| Article No. | VG043 | Volume | 7000 µl | |||
| Measuring Method | Absorption Cells | Material | Optical Glass | |||
| Number of Windows | 2 | Wavelength Range | VIS (350 - 2000 nm) | |||
| Outside Dimensions | Inside Dimensions | |||||
| Height | 45 mm | Width | 10 mm | |||
| Width | 12.5 mm | Depth | 20 mm | |||
| Depth | 22.5 mm | Center Height (Z) | 8.5 - 20 mm | |||
| Fabrication Method | Fused* | Package | Cell & Lid | |||
Comparison of Fabrication Types
| 1 | 2 | 3 | 4 | ||
|---|---|---|---|---|---|
| *Molded | *Fused | *Bonded | |||
| Visible ( 350 - 2000 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 Glass Powder | Assembled with Glue | ||
| Adhesives | No | No | Yes | ||
| Storage | Short Term Storage | Clean After Use | Clean After Use | ||
| Available Material | Optical Glass 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 glass cuvette and cell has excellent transmission from 350nm to 2000nm under visible light range. | ||||
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