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Sealed-Design Quartz Fluorescence Cuvette with Screw Caps for Lab Analysis -TOQUARTZ®
Features of Quartz Fluorescence Cuvette with Screw Caps
TOQUARTZ® quartz fluorescence cuvettes with screw caps combine precision manufacturing with high-purity materials to deliver exceptional performance for spectroscopic applications. Each cuvette is manufactured to strict specifications to ensure consistent results in your analytical processes.
Material Properties
- High-purity quartz (≥99.98%, up to 99.995% SiO₂)
- Chemical resistance to acids, bases, and solvents
- Low thermal expansion coefficient (5.5×10⁻⁷ /°C)
Precision Engineered Design
- Standard 10mm path length (custom options available)
- Leak-proof screw cap for sample containment
- Compatible with standard cuvette holders
Optical Properties
- Exceptional light transmission range (190-2500nm)
- No absorption peaks across the spectrum
- Polished surfaces for minimal light scattering
- Four-sided clear optical windows
- SiO2 Purity ≥99.98%, up to 99.995%
- Chemical Resistance to Harsh Reagents
- Customization Services Available
Technical Specifications & Dimensions of Quartz Fluorescence Cuvette with Screw Caps
Technical Specifications
| Parameter | Specification | Notes |
| Material | High-purity fused quartz | ≥99.98%, up to 99.995% SiO₂ |
| Transmission Range | 190-2500nm | ≥80% transmittance across range |
| Thermal Expansion Coefficient | 5.5×10-7/℃ | Low expansion for thermal stability |
| Chemical Resistance | Excellent | Resistant to most acids, bases, and solvents |
| Surface Finish | Optical polish | Four-sided clear windows |
| Screw Cap Material | PTFE | Chemical resistant and leak-proof |
Size Chart
| Model | Description | Path Length | Volume | Outline Dimension |
| AT-BSM-6022 | 600μl Quartz Fluorescence Cuvette with Screw Cap Path Length 3mm | 3mm | 600μl | 12.5×12.5x45mm |
| Model | Description | Path Length | Volume | Outline Dimension |
| AT-BSM-6022-1 | 600μl Quartz Fluorescence Cuvette with Screw Cap Path Length 10mm | 10mm | 600μl | 12.5×12.5x45mm |
| Model | Description | Path Length | Volume | Outline Dimension |
| AT-BSM-6018 | 700μl Quartz Fluorescence Cuvette with Screw Cap Path Length 2mm | 2mm | 700μl | 12.5×12.5x45mm |
| Model | Description | Path Length | Volume | Outline Dimension |
| AT-BSM-6018-1 | 700μl Quartz Fluorescence Cuvette with Screw Cap Path Length 10mm | 10mm | 700μl | 12.5×12.5x45mm |
| Model | Description | Path Length | Volume | Outline Dimension |
| AT-BSM-6017 | 1750μl Quartz Fluorescence Cuvette with Screw Cap | 10mm | 1750μl | 12.5×12.5x52mm |
TOQUARTZ® Solving Challenges in Spectroscopic Analysis with Quartz Fluorescence Cuvette with Screw Caps
Quartz Fluorescence Cuvette with Screw Cap in On-Site Forensic Toxicology Screening
Key Advantages
-
Leak-proof transport under vibration and motion
Maintains full sample volume after 6-hour vehicle transport with no leakage at 80 km/h. -
Ambient light shielding during UV-sensitive analysis
Opaque screw cap reduces photodegradation by 92% in field-collected urine samples. -
Contamination-free handling in non-lab environments
Enables direct sample sealing post-collection, reducing external contamination risk by 87%.
TOQUARTZ® solution
A forensic field team in Poland reported 15% sample rejection due to leakage and photodegradation during roadside drug screening operations. After switching to TOQUARTZ® Quartz Fluorescence Cuvette with Screw Cap, they achieved 100% sample retention and reduced false-negative rates by 21% across 300+ field tests, enabling admissible evidence collection under ISO 17025 protocols.
Quartz Fluorescence Cuvette with Screw Cap in Anaerobic Microbial Metabolism Studies
Key Advantages
-
Gas-tight sealing after nitrogen purging
Maintains <0.5% O₂ concentration inside cuvette for over 48 hours post-sealing. -
No oxygen ingress during fluorescence measurement
Screw cap prevents ambient air exchange during 12-hour real-time fluorescence tracking. -
Supports anaerobic workflow integration
Cap design allows sealing inside glovebox without external tools or adhesives.
TOQUARTZ® solution
A Japanese microbiology lab studying methanogenic archaea observed inconsistent fluorescence signals due to oxygen leakage in standard cuvettes. After adopting TOQUARTZ® Quartz Fluorescence Cuvette with Screw Cap, they maintained anaerobic conditions (<0.5% O₂) for 48 hours, improving metabolic signal stability by 35% and enabling uninterrupted kinetic tracking in 96% of trials.
Quartz Fluorescence Cuvette with Screw Cap in Controlled-Release Drug Encapsulation Testing
Key Advantages
-
Prevents evaporation during 72h incubation at 37°C
Retains >98.5% of initial sample volume after 3-day thermal exposure. -
Enables non-invasive repeated fluorescence readings
Cap remains sealed during 5+ measurement cycles without sample loss. -
Minimizes contamination in simulated body fluids
Reduces microbial contamination risk by 89% in PBS and FBS-based media.
TOQUARTZ® solution
A US-based biotech firm testing liposomal doxorubicin formulations reported 12% volume loss and 3% contamination rate over 48h in open-top cuvettes. Switching to TOQUARTZ® Quartz Fluorescence Cuvette with Screw Cap eliminated evaporation and contamination, resulting in consistent release curves and a 26% improvement in batch-to-batch reproducibility across 5 formulation types.
TOQUARTZ® Customization Options for Quartz Fluorescence Cuvette with Screw Caps
Screw Cap Customization
- Thread pitch matching specific instruments
- Cap material compatible with solvents
- Light-blocking caps for UV-sensitive tests
- Tamper-evident sealing for forensic use
- Autoclavable caps for sterile workflows
- Low-profile caps for compact holders
- Ribbed grip design for gloved handling
- Gas-tight sealing for anaerobic studies
Dimensional Customization
- Custom path length for optical systems
- Modified height for instrument clearance
- Adjusted width for tight slot holders
- Wall thickness for thermal resistance
- Base shape for non-standard cuvette racks
- Z-dimension alignment with laser optics
- External size for robotic arm handling
- Reinforced neck for cap compatibility
Our Customization Process
-
Requirement Brief:
We begin by understanding your application needs for the Quartz Fluorescence Cuvette with Screw Cap. -
Technical Proposal:
Our engineers provide drawings and specs for your Quartz Fluorescence Cuvette with Screw Cap. -
Prototype Sampling:
We deliver a sample Quartz Fluorescence Cuvette with Screw Cap for validation and testing. -
Batch Production:
Once approved, we manufacture your Quartz Fluorescence Cuvette with Screw Cap under strict QC.
Usage and Care Guidelines
Handling & Storage
- Always handle cuvettes by the frosted or non-optical sides
- Avoid touching optical windows to prevent fingerprints
- Store in original container or dust-free environment
- Keep caps securely tightened during storage
- Store at room temperature in a dry location
Sample Loading
- Fill to approximately 3/4 capacity for optimal results
- Avoid air bubbles in the optical path
- Use pipettes to carefully introduce samples
- Tighten cap firmly but avoid overtightening
- Wipe exterior with lint-free tissue before measurement
Cleaning Procedure
- Rinse immediately after use with appropriate solvent
- For persistent residues, use mild detergent solution
- Rinse thoroughly with ultrapure water
- Air dry or use filtered compressed air
- For thorough cleaning, consider ultrasonic bath (5 minutes maximum)
Extending Service Life
- Avoid thermal shock (rapid temperature changes)
- Clean immediately after use with corrosive samples
- Inspect regularly for scratches or damage
- Replace caps if sealing efficacy diminishes
- Recalibrate periodically for critical applications
Need Technical Assistance?
Quartz Fluorescence Cuvette with Screw Cap selection, customization, and integration.
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: How does the screw cap design improve sample stability in fluorescence analysis?
A: The Quartz Fluorescence Cuvette with Screw Cap prevents evaporation and contamination during long fluorescence scans. It ensures consistent sample concentration, especially in temperature-controlled or time-sensitive assays.
Q: Is the screw cap airtight enough for anaerobic fluorescence studies?
A: The Quartz Fluorescence Cuvette with Screw Cap supports gas-tight sealing after nitrogen purging. It maintains anaerobic conditions for over 48 hours, enabling accurate microbial fluorescence tracking.
Q: Does the screw cap interfere with optical measurements in fluorescence spectroscopy?
A: No, the cap is positioned outside the optical path. The Quartz Fluorescence Cuvette with Screw Cap features four clear optical windows for uninterrupted excitation and emission detection.
Q: Is the screw cap compatible with high-temperature fluorescence assays?
A: Yes, the Quartz Fluorescence Cuvette with Screw Cap withstands incubation at 37–60°C. The cap remains sealed during thermal cycling, ensuring accurate kinetic fluorescence readings.
Q: What makes the Quartz Fluorescence Cuvette with Screw Cap better than stopper-type cuvettes?
A: Unlike stoppers, the screw cap ensures consistent torque-based sealing. It prevents micro-leaks and sample evaporation, especially during extended fluorescence scans or transport.
Contact our engineering team for technical consultation and pricing. We’ll help you select the optimal specifications for your application requirements.
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