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Leak-Resistant Sealed Fused Quartz UV Cuvette Cell with Screw Cap for UV-Vis Spectroscopy -TOQUARTZ®
Features of Fused Quartz UV Cuvette Cell with Screw Cap
TOQUARTZ® Fused Quartz UV Cuvette Cells with Screw Cap are engineered for precision spectroscopic analysis across multiple scientific applications. These cuvettes combine optical excellence with practical design features to meet the demanding requirements of modern laboratory work.
Optical Clarity
Made from pure fused quartz material, providing exceptional transparency across the 200-2500nm wavelength range for accurate UV-Vis spectroscopy measurements.
Chemical Resistance
Fused quartz material provides excellent resistance to acids, bases, and organic solvents, making these cuvettes ideal for analyzing corrosive samples.
Precision Engineered Dimensions
Each Quartz UV Cuvette Cell with Screw Cap is manufactured with precise optical path length tolerances (±0.1mm) to ensure consistent spectroscopic results.
Secure Screw Cap Design
PTFE screw cap ensures airtight sealing for volatile samples, preventing evaporation and contamination during measurement and storage of sensitive solutions.
- 99.98% SiO₂ Purity
- Chemical Inertness
- Customizable Design
Technical Specifications & Dimensions of Fused Quartz UV Cuvette Cell with Screw Cap
Technical Specifications
| Property | Value |
| 1. Physical Properties | |
| Material | High purity fused quartz (99.98% SiO₂) |
| Density | 2.2 g/cm³ |
| Thermal Expansion Coefficient | 5.5 × 10⁻⁷ /°C |
| Max Operating Temperature | 1000°C |
| Screw Cap Material | PTFE (Polytetrafluoroethylene) |
| 2. Optical Properties | |
| Wavelength Range | 200-2500nm |
| UV Cutoff | <190nm |
| Refractive Index | 1.46 (at 587.6nm) |
| Transmittance | >80% (200-2500nm, Paired Testing) |
| Surface Finish | Polished to Optical Quality |
Size Chart
| Model | Description | Wavelength | Path Length | Volume | Transmittance | Outline Dimension |
| AT-BSM-001 | 3.5ml 10mm Path Length Quartz UV Cuvette with Screw Cap | 200nm-2500nm | 10mm | 3.5ml | >80% (Paired Testing) | 12.5×12.5x55mm |
| Model | Description | Wavelength | Path Length | Volume | Transmittance | Outline Dimension |
| AT-BSM-024 | 14ml 40mm Path Length Quartz UV Cuvette with Screw Cap | 200nm-2500nm | 40mm | 14ml | >80% (Paired Testing) | 12.5×42.5x45mm |
| Model | Description | Wavelength | Path Length | Volume | Transmittance | Outline Dimension |
| AT-BSM-026 | 350μl 1mm Path Length Quartz UV Cuvette with Screw Cap | 200nm-2500nm | 1mm | 350μl | >80% (Paired Testing) | 12.5×3.5x55mm |
| Model | Description | Wavelength | Path Length | Volume | Transmittance | Outline Dimension |
| AT-BSM-027 | 700μl 2mm Path Length Quartz UV Cuvette with Screw Cap | 200nm-2500nm | 2mm | 700μl | >80% (Paired Testing) | 12.5*4.5*55mm |
TOQUARTZ® Solving Challenges with
Fused Quartz UV Cuvette Cell with Screw Cap
Pharmaceutical Quality Control with Fused Quartz UV Cuvette Cell with Screw Cap
Key Advantages
-
±0.1mm Optical Path Accuracy
Ensures absorbance deviation stays below 0.5% in 10mm path length drug assays. -
99.995% SiO₂ Purity for API Testing
Eliminates background interference in UV range during active pharmaceutical ingredient analysis. -
PTFE Cap Prevents Solvent Loss
Maintains sample volume within ±1% over 4-hour UV-Vis stability testing at 25°C.
TOQUARTZ® solution
A pharmaceutical QC lab in Germany reported 7% signal drift during 6-hour UV-Vis stability testing of a volatile compound due to evaporation in open cuvettes. After switching to TOQUARTZ® screw-capped quartz cells, sample volume loss was reduced to under 1%, and absorbance variation dropped below 0.3%, meeting EMA method validation criteria.
Environmental Testing with Quartz UV Cuvette Cell with Screw Cap
Key Advantages
-
Consistent Transmission in 200–2500nm
Enables detection of nitrate and heavy metals with <0.01 AU baseline drift over 24 hours. -
Sealed Design for Field Sample Integrity
Prevents contamination during transport; sample absorbance deviation <0.2% after 12h. -
1mm–40mm Path Length Flexibility
Supports trace detection from 0.05 ppm to 100 ppm in water and soil matrices.
TOQUARTZ® solution
A Canadian environmental lab monitoring groundwater contaminants faced inconsistent UV absorbance due to sample evaporation during transport. By adopting TOQUARTZ® screw-capped cuvettes, they achieved <0.2% absorbance deviation after 12 hours, enabling accurate quantification of nitrate at 0.1 ppm with 10mm path length cells.
Research Laboratory Applications of Fused Quartz UV Cuvette Cell with Screw Cap
Key Advantages
-
350μl Microvolume with 1mm Path
Enables protein quantification with sample volumes as low as 350μl at 280nm. -
Reusable After 50+ Cleaning Cycles
Maintains >80% transmittance after 50 detergent/solvent cleaning cycles (internal test data). -
Sealed Cap for Anaerobic Assays
Supports oxygen-sensitive measurements with <0.5% O₂ ingress over 8 hours.
TOQUARTZ® solution
A university biochemistry lab studying anaerobic enzyme kinetics required sealed cuvettes for 8-hour UV-Vis assays. TOQUARTZ® 1mm screw-capped quartz cells maintained oxygen exclusion, enabling consistent absorbance at 340nm with <0.5% drift, supporting reproducible NADH oxidation rate measurements across 3-day replicates.
Customization Services for TOQUARTZ®
Fused Quartz UV Cuvette Cell with Screw Cap
Custom Dimensions
- Non-standard path lengths
- Special volume requirements
- Modified outer dimensions
Specialized Features
- Flow-through ports
- Specialized cap designs
- Septum-compatible caps
Special Applications
- Fluorescence measurements
- Micro-volume analysis
- High-temperature applications
TOQUARTZ® Custom Design Process
Consultation
TOQUARTZ® technical team discusses your application requirements, specifications, and performance needs.
Design Proposal
We develop technical drawings and specifications based on your requirements.
Prototype Development
A prototype is manufactured for your approval and testing.
Production
Upon approval, we proceed with full production according to agreed specifications.
Quality Assurance
Each custom cuvette undergoes rigorous quality control testing before shipment.
Usage Guide of Fused Quartz UV Cuvette Cell with Screw Cap
Cleaning Protocol
-
Rinse immediately after use:
Rinse with the solvent used in your analysis, followed by a rinse with a compatible solvent that evaporates without residue (e.g., spectroscopic-grade methanol or acetone). -
For persistent contaminants:
Soak in dilute (0.1-1%) laboratory detergent solution for 30 minutes, then rinse thoroughly with deionized water. -
For organic residues:
Use a sequence of hexane, acetone, then ethanol rinses to remove organic compounds. -
For biological samples:
Clean with enzyme-based laboratory cleaners, followed by thorough rinsing with deionized water. -
Drying:
Allow to air dry in a dust-free environment or use filtered, oil-free compressed air/nitrogen. -
Avoid:
Abrasive cleaners, ultrasonic baths, or mechanical scrubbing that could damage optical surfaces.
Measurement Best Practices
- Always handle cuvettes by the non-optical surfaces (top and ribbed/frosted sides) to prevent fingerprints and oils on measurement windows.
- Tighten screw caps only fingertight to avoid cracking. Do not overtighten.
- Store clean, dry cuvettes in their original container or a dedicated dust-free storage box.
- Periodically inspect optical surfaces under good lighting for scratches or residues before use.
- Avoid rapid temperature changes that could cause thermal stress and potential cracking.
Solvent Compatibility
| Fused Quartz UV Cuvette Cell with Screw Cap is compatible with most common laboratory solvents, including: | |
| Water | Acetonitrile |
| Methanol | DMSO |
| Ethanol | Hexane |
| Acetone | Most dilute acids |
Need a Custom Fused Quartz UV Cuvette Cell with Screw Cap Solution?
With TOQUARTZ® custom cuvettes, you get precision-engineered products tailored to your unique requirements.
Why Partner with TOQUARTZ
Direct Factory Advantage
As a direct manufacturer, we can cut out the numerous intermediate links.
Engineering Expertise
Technical team guides clients from material selection to design optimization, translating specs into deliverables.
Flexible Manufacturing
Handling standard & custom orders via small-batch expertise and prototyping rigor to meet urgent deadlines.
Quality
Assurance
Pre-shipment 3-step validation:
1. dimensional accuracy,
2. material purity ,
3. performance thresholds
Global Supply Chain
Reliable global logistics to industrial hubs (DE/US/JP/KR priority) with trackable milestones.
Releted Products
As a specialized manufacturer with direct factory capabilities, TOQUARTZ provides both standard and custom quartz solutions with engineering support throughout the specification and implementation process.
FAQ
Q: What is the wavelength range of Fused Quartz UV Cuvette Cell with Screw Cap?
A: TOQUARTZ® Fused Quartz UV Cuvette Cells with Screw Cap operate across a wavelength range of 200-2500nm, making them suitable for both UV and visible spectroscopy applications.
Q: What path lengths are available for Fused Quartz UV Cuvette Cell with Screw Cap?
A: TOQUARTZ® standard Fused Quartz UV Cuvette Cells with Screw Cap are available in 1mm, 2mm, 10mm, and 40mm path lengths. Custom path lengths can be manufactured upon request to meet specific application requirements.
Q: What is the absorbance range of Fused Quartz UV Cuvette Cell with Screw Cap?
A: TOQUARTZ® Fused Quartz UV Cuvette Cells with Screw Cap have minimal self-absorption in the 200-2500nm range, providing a baseline absorbance typically less than 0.01 AU at 220nm for a 10mm path length cuvette. This allows for accurate measurement of samples with both high and low absorbance values.
Q: What is the solvent compatibility of Fused Quartz UV Cuvette Cell with Screw Cap?
A: TOQUARTZ® Fused Quartz UV Cuvette Cells with Screw Cap are compatible with most laboratory solvents including water, alcohols (methanol, ethanol), acetone, acetonitrile, DMSO, hexane, and most dilute acids. The PTFE screw caps provide additional chemical resistance for secure sealing with aggressive solvents.
Q: What is the proper orientation for a Fused Quartz UV Cuvette Cell with Screw Cap?
A: When using a Fused Quartz UV Cuvette Cell with Screw Cap in a spectrophotometer, the transparent sides (optical windows) should be positioned perpendicular to the light path, while the frosted or ribbed sides should be parallel to the light path. Consistent orientation between measurements is essential for accurate results.
Contact our engineering team for technical consultation and pricing. We’ll help you select the optimal specifications for your application requirements.