(VAPB100M) 7mL Standard Absorption Cuvette with 2 PTFE Stopper, Bonded, Width 2mm, Lightpath 100mm
$310.00
This airtight stopper cuvette is for absorption applications, with a path length of 100 mm. For aqueous samples only. Use up to 100°C. The price is for 1 piece.
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- Type: Bonded, Use with Aqueous Samples Only
Description
VAPB100M Black-Walled Long Pathlength Quartz Cuvette is a 100 mm optical path length absorption cuvette designed for ultra-trace measurements where sensitivity and signal-to-noise ratio are critical.
Its black walls minimize stray light and fluorescence background, making it ideal for low-absorbance samples. The narrow slit design allows for precise optical alignment, and the PTFE stopper provides secure sealing to protect sensitive samples.
Key Features
- Black wall design — effectively suppresses stray light and side scattering, improving measurement accuracy in trace analysis.
- 100 mm long pathlength — significantly increases sensitivity, suitable for ultra-low concentration measurements.
- Narrow slit (2 mm) — enhances optical alignment precision and minimizes sample volume requirements.
- PTFE stopper — seals the cuvette to prevent evaporation or contamination, suitable for volatile or oxygen-sensitive samples.
- Bonded quartz fabrication — provides high optical clarity in the 190 – 2500 nm UV/VIS range and strong chemical resistance.
Typical Applications
- Trace contaminant detection and water analysis
- Low-absorbance UV/VIS spectroscopy
- Environmental testing and analytical chemistry
- Biological and pharmaceutical research
Bonded Fabrication Notes
- Provides stable dimensions and good chemical resistance.
- Not suitable for HF.
- Typical dimensional tolerance: ±0.06 – 0.08 mm.
Cuvette Specifications
| Type | Black Wall Stopper Quartz Cuvette | Optical Path Length | 100 mm |
| Article No. | VAPB100M | Volume | 7 ml |
| Measuring Method | Absorption Cells | Cap Type | PTFE Stopper |
| Number of Windows | 2 | Wavelength Range | UV/VIS (190 – 2500 nm) |
| Height | 45 mm | Width (Inside) | 2 mm |
| Width (Outside) | 12.5 mm | Depth (Inside) | 100 mm |
| Depth (Outside) | 102.5 mm | Center Height (Z) | 8.5 – 20 mm |
| Fabrication Method | Bonded* | Package | Cell & Stopper |
Note: VAPB100M is a black-walled bonded quartz cuvette with a 100 mm pathlength, narrow slit, and PTFE stopper — an excellent choice for high-sensitivity UV/VIS spectroscopy of trace-level samples.
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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