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UV Quartz Cuvette High-Purity Quartz Cells for UV-Vis Spectrophotometry -TOQUARTZ®
Properties of UV Quartz Cuvette
UV quartz cuvettes from TOQUARTZ® are manufactured using high-purity quartz glass, specifically designed for applications requiring excellent UV transmission properties. These cuvettes provide precise optical paths for accurate spectrophotometric measurements in laboratory and industrial environments.
Material Properties
- High-purity quartz (＞99.98% SiO₂)
- Superior chemical resistance to acids, bases, and solvents
- High thermal stability (up to 1100°C+)
- Low thermal expansion coefficient (5.5×10⁻⁷ /°C)
Optical Characteristics
- Superior UV transmission (190-350nm ≥80%)
- Wide wavelength range (200-2500nm)
- No absorption peaks within transmission range
- Precision optical surfaces for accurate measurements
- ＞99.98% SiO₂ Purity
- UV transmission ≥80%
- Thermal stability 1100°C+
Technical Specifications & Dimensions of UV Quartz Cuvette
Technical Specifications of UV Quartz Cuvette
| Parameter | Specification | Notes |
| Available Path Lengths | 1mm, 2mm, 5mm, 10mm, 20mm | Custom path lengths available |
| Inner Width Range | 0.5mm – 10mm | Based on application requirements |
| Wall Thickness Tolerance | ±0.1mm | Standard precision |
| Material Purity | ＞99.98% SiO₂ | High-purity grade |
| UV Transmission | 190-350nm ≥80% | Ideal for UV spectroscopy |
| Surface Finish Options | Polished, Frosted, Clear | Application-specific finishing |
| Lid Options | With/Without Lid | Sealed options available |
| Thermal Expansion Coefficient | 5.5×10⁻⁷ /°C | Low expansion for stability |
Size of of UV Quartz Cuvette
| Item no. | Description | Capacity | Path Length | LxWxH | Wavelength Range |
| AT-BSM-001 | Quartz cuvette cell with screw cap(10mm) | 3.5ml | 10mm | 12.5×12.5x55mm | 200nm-2500nm |
| Item no. | Description | Capacity | Path Length | LxWxH | Wavelength Range |
| AT-BSM-002 | 40mm Quartz cuvette cell （large area photopermeability） | 14ml | 10mm | 12.5×42.5x45mm | 200nm-2500nm |
| Item no. | Description | Capacity | Path Length | LxWxH | Wavelength Range |
| AT-BSM-003 | 30mm Quartz cuvette cell （large area photopermeability） | 10.5ml | 10mm | 12.5×32.5x45mm | 200nm-2500nm |
| Item no. | Description | Capacity | Path Length | LxWxH | Wavelength Range |
| AT-BSM-004 | Quartz cuvette cells with lid 50mm path length JGS1 for spectrophotometer lab | 17.5ml | 50mm | 12.5×42.5x45mm | 200nm-2500nm |
| Item no. | Description | Capacity | Path Length | LxWxH | Wavelength Range |
| AT-BSM-005 | 1ml Micro JGS1 Quartz Cuvette Cell With Black Walls And Lid 3mm Inside Width | 1.05ml | 10mm | 12.5×12.5x45mm | 200nm-2500nm |
TOQUARTZ® UV Quartz Cuvette Solutions for
Precision Analysis Requirements
UV Quartz Cuvettes for Spectrophotometry Instrumentation
Key Advantages
-
Optical Path Deviation ≤ ±0.1mm:
Ensures consistent absorbance readings across automated spectrophotometer batches. -
Z-Dimension Tolerance Controlled Within ±0.05mm:
Prevents misalignment in auto-sampler cuvette holders during high-throughput runs. -
Verified Transmission Uniformity ≥ 80% @ 190–350nm:
Minimizes baseline drift and enhances long-term instrument calibration stability.
TOQUARTZ® solution
A German analytical instrument manufacturer reported 12% rejection rates due to ±0.2mm dimensional variations in cuvettes from previous suppliers.
TOQUARTZ® delivered UV quartz cuvettes with ±0.1mm tolerance, reducing rejection rates to below 3% and ensuring compatibility with their automated sample handling systems.
UV Quartz Cuvettes for Biomedical Research Applications
Key Advantages
-
Transmission at 260nm ≥ 85% (Certified):
Enables accurate DNA/RNA quantification with minimal signal loss. -
Micro-Volume Design Down to 70μL:
Reduces sample consumption in protein assays and rare biomolecule detection. -
Batch-to-Batch Optical Variance < 2%:
Ensures reproducibility in sensitive biomedical experiments across research cycles.
TOQUARTZ® solution
A Japanese research institute reported inconsistent absorption readings below 190nm with their previous cuvettes, affecting protein structure analysis.
TOQUARTZ® provided UV quartz cuvettes with verified transmission specifications across the 180-350nm range, enabling reliable measurements and improving research data consistency by over 15%.
UV Quartz Cuvettes for Environmental Monitoring Equipment
Key Advantages
-
Acid Resistance Validated in pH 1–2 Conditions for 72h:
Maintains optical clarity after prolonged exposure to acidic water samples. -
Dimensional Stability After 500 Thermal Cycles (25–80°C):
Prevents leakage or deformation in field-deployed flow-through systems. -
Extended Service Life >12 Months in Continuous Flow Use:
Reduces replacement frequency in 24/7 environmental monitoring stations.
TOQUARTZ® solution
A U.S. water analysis OEM faced cuvette degradation every 3–4 months due to acid exposure.
TOQUARTZ® supplied chemically reinforced UV quartz cuvettes with 72h acid resistance validation.
Replacement cycle extended to 12+ months, cutting maintenance costs by 65% annually.
Customization Services for TOQUARTZ® UV Quartz Cuvette
Custom Dimensions
- Custom Path Lengths: Non-standard optical paths
- Special Dimensions: Custom internal volumes, wall thicknesses, and external dimensions
- Modified Designs: Flow-through ports, sealed cuvettes, micro-volume designs
- Surface Treatments: Custom polishing, frosting, or black masking for specific optical paths
Special Designs
- Technical Consultation: Our engineers collaborate with your team to understand your application requirements and measurement challenges.
- Design Assistance: Technical drawing development or refinement of your existing specifications.
- Prototype Development: Initial sample production for validation and testing.
- Production Scaling: From small batches to volume manufacturing with consistent quality control.
Proper Handling & Maintenance of UV Quartz Cuvette
Handling Precautions
- Never use: Alkaline solutions, abrasive materials, brushes, or detergents for cleaning quartz cuvettes.
- Avoid exposure to: Hydrofluoric acid, high-concentration fluoride solutions, or prolonged contact with low-concentration fluoride solutions as these can damage the quartz material.
- Handle with care: Quartz cuvettes are fragile, especially UV-grade models. Handle gently and avoid impacts or drops.
Cleaning Procedures
- Regular Cleaning: After each use, rinse the cuvette with distilled water three times. Place upside down on clean filter paper to dry, then store in a protective case.
-
Organic Contamination: For cuvettes contaminated with organic substances, use a hydrochloric acid-ethanol mixture (1:2) for cleaning. Alternative solvents may be used depending on the contaminant:
· Petroleum ether for oil/grease contamination
· Diluted nitric acid (1:2) for chrome azure dye contamination - Ultrasonic Cleaning: For specialized cleaning, use ultrasonic cleaners with the frosted side facing downward.
- Alternative Method: A mixture of diethyl ether and anhydrous ethanol (50:50) can be used for effective cleaning. For heavily soiled cuvettes, specialized cleaning solutions may be used but limit exposure to 10 minutes, followed by thorough rinsing with clean water.
Storage Recommendations
- Store clean, dry cuvettes in their protective cases to prevent dust accumulation and physical damage.
- Store in a clean, dust-free environment away from chemical vapors.
- For premium UV quartz cuvettes with fusion-bonded construction (available at approximately twice the cost of standard cuvettes), special care will further extend their already superior lifespan.
Need Expert Guidance on UV Quartz Cuvette Selection?
With decades of combined experience in optical materials and spectroscopy applications, we can help optimize your measurement setup.
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: Why are quartz cuvettes used in UV spectroscopy rather than glass?
A: Quartz cuvettes are used in UV spectroscopy because they provide superior transmission in the UV range (190-350nm), whereas standard glass absorbs strongly below 320nm. Quartz allows measurements across the entire UV-Vis spectrum (190-900nm) without introducing material-based absorption that would interfere with sample analysis.
Q: How do I clean UV quartz cuvettes without damaging them?
A: To clean UV quartz cuvettes properly: 1) Rinse with distilled water immediately after use; 2) For organic contaminants, use a hydrochloric acid-ethanol mixture (1:2); 3) Never use alkaline solutions or abrasive materials; 4) For stubborn contaminants, ultrasonic cleaning with the frosted side facing down is effective; 5) Dry by placing upside down on clean filter paper. Avoid detergents, as they can leave residues that affect measurements.
Q: What is the path length of a UV quartz cuvette and why does it matter?
A: The path length of a UV quartz cuvette refers to the distance light travels through the sample (typically 10mm standard). Path length is critical because it directly impacts absorbance measurements according to Beer-Lambert Law (A = ε × c × l). Shorter path lengths (1mm, 2mm, 5mm) are used for highly concentrated samples, while longer path lengths (20mm+) enhance sensitivity for dilute solutions. Precision in path length (±0.1mm) is essential for accurate, reproducible measurements.
Q: Are UV quartz cuvettes compatible with all spectrophotometers?
A: Standard 10mm UV quartz cuvettes are compatible with most spectrophotometers, but instrument-specific holders may require particular external dimensions. Before ordering, verify your instrument’s cuvette holder specifications. Some automated systems require specific dimensions or features (like Z-height or top rim specifications). TOQUARTZ® offers custom manufacturing to ensure compatibility with your specific instrument model.
Q: What chemicals should never be used with UV quartz cuvettes?
A: Never expose UV quartz cuvettes to hydrofluoric acid (HF) or high-concentration fluoride solutions, as these can etch and damage quartz surfaces. Avoid strong alkaline solutions (pH>12), which can gradually erode quartz over time. Additionally, avoid prolonged exposure to phosphoric acid at high temperatures. While quartz has excellent chemical resistance, these specific substances can compromise optical quality and structural integrity.
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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