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Half-Round Bottom Structured Reflective...

Reflective Quartz Cuvette for spectroscopy applications

Half-round bottom design of reflective quartz cuvette

Reflective cuvette in laboratory application

Custom quartz cuvette dimensions available

Half-Round Bottom Structured Reflective Quartz Cuvette for Solid Sample Analysis -TOQUARTZ®

Custom-designed reflective quartz cuvette with half-round bottom and flat optical window, ideal for UV-Vis and NIR reflectance spectroscopy. Made from high-purity fused quartz (≥99.98% SiO₂), it offers excellent optical clarity from 200nm to 2500nm for precise solid and powder sample analysis.

No MOQ

Custom Design

Factory Direct

Tech Support

Features of Half-Round Bottom Reflective Quartz Cuvette

TOQUARTZ® half round bottom reflective quartz cuvettes are engineered for precise reflectance measurements in analytical applications. These specialized optical components offer superior performance for solid and powder sample analysis across UV, visible, and NIR spectra.

Optical Properties

High-purity fused quartz (≥99.98% SiO₂, max. up to 99.995%) provides exceptional transparency in the 200-2500nm wavelength range with no absorption peaks, enabling accurate spectroscopic measurements.

Chemical & Thermal Stability

Highly resistant to acids, bases, and salt solutions with excellent thermal stability up to 1100°C. Low thermal expansion coefficient (5.5×10⁻⁷ /°C) ensures dimensional stability during temperature fluctuations.

Precision Engineered Design

The half-round bottom geometry is specifically designed for reflectance measurements of solid and powder samples, with optical faces polished to λ/4 flatness for distortion-free analysis.

TOQUARTZ® Half-Round Bottom Reflective Quartz Cuvette

Technical Specifications & Dimensions of Half-Round Bottom Reflective Quartz Cuvette

TOQUARTZ® half round bottom reflective quartz cuvettes are manufactured to precise specifications to ensure optimal performance in reflectance spectroscopy applications.

Technical Specifications

Property	Value
1. Physical Properties
Material	High-purity SiO2
Density	2.20 g/cm3
Thermal Expansion	5.5×10-7/K
Max Operating Temp	1100℃
Thermal Conductivity	1.3 W/m·K
Young’s Modulus	72 GPa
Knoop Hardness	500-600 kg/mm3
2. Chemical Properties
SiO₂ Content	≥99.98%
Chemical Resistance	Excellent to acids, bases, salts(Except HP)
Water Absorption	<0.01%
OH Content	<20 ppm
Metal Impurities	<5 ppm
3. Optical Properties
Refractive Index	1.458 (at 546nm)
Surface Quality	Polished optical windows, free from scratches and bubbles in optical path
Transmission Range	200-2500 nm
Refractive Index	1.4585 at 589.3 nm
Reflective Surface Options	Polished, Frosted, Black-walled, Metal-coated
Surface Quality	60-40 scratch-dig
Flatness	λ/4 at 632.8 nm
Parallelism	≤30 arc seconds

Size Chart

Model	Description	Wavelength	Outer Dia.	Length	Wall Thickness	Material
AT-BSM-055-3	Customizable Half-round Bottom Reflective Quartz UV Cuvette Sample Cell	200nm-2500nm	12mm	45mm	1mm	Japanese quartz glass

Note: We offer custom specifications to meet your specific requirements. Contact our engineering team for consultation.

TOQUARTZ® Solving Challenges with Half-Round Bottom
Reflective Quartz Cuvette

Half-Round Bottom Reflective Quartz Cuvette for Material Science Applications

Material research laboratories frequently analyze powder samples, ceramics, and composite materials using reflectance spectroscopy. Traditional sampling methods often produce inconsistent results due to sample preparation variations and instrument limitations.

Key Advantages

TOQUARTZ® solution

A German materials lab analyzing ceramic composites reported ±12% signal deviation using standard holders. After switching to TOQUARTZ® Reflective Quartz Cuvettes, deviation dropped to ±2.1% across 30 samples. The cuvette’s stable geometry and optical flatness enabled consistent reflectance readings, improving data reliability and reducing rework time by 40%.

Half-Round Bottom Reflective Quartz Cuvette for Pharmaceutical QC Analysis

Pharmaceutical quality control laboratories require reliable methods for analyzing drug powders, tablets, and raw materials. Conventional transmission measurements are inadequate for opaque samples, creating workflow bottlenecks and limiting analytical capabilities.

Key Advantages

TOQUARTZ® solution

A U.S. pharmaceutical QC lab faced delays due to poor signal quality in coated tablet reflectance tests. TOQUARTZ® Reflective Quartz Cuvettes enabled direct surface analysis, reducing prep time from 18 to 11 minutes per sample. Reflectance stability improved by 21%, and batch release cycles were shortened by 2 days, enhancing throughput without compromising accuracy.

Half-Round Bottom Reflective Quartz Cuvette for Pigment and Coating Analysis

Manufacturers of pigments, dyes, and specialty coatings rely on precise color measurement and quality control systems. Traditional color analysis methods often struggle with sample-to-sample reproducibility and insufficient accuracy for modern formulations.

Key Advantages

TOQUARTZ® solution

A Japanese pigment manufacturer struggled with inconsistent ΔE values in dark red pigment QC. After adopting TOQUARTZ® Reflective Quartz Cuvettes, color deviation dropped from ΔE 1.6 to 0.7 across 50 batches. The cuvette’s optical flatness and geometry enabled precise reflectance capture, improving pass rate by 18% and reducing color correction cycles by 30%.

Customization Services for TOQUARTZ® Half-Round Bottom Reflective Quartz Cuvette

TOQUARTZ® offers tailored half round bottom reflective quartz cuvette solutions to meet your specific application requirements. Our engineering team works closely with clients to design and manufacture custom reflective cuvettes that address unique analytical challenges.

Custom Dimensional Specifications

Enhanced Surface Treatments

Usage Guide of Half-Round Bottom Reflective Quartz Cuvette

Proper handling and usage of reflective quartz cuvettes ensures optimal performance and extended product lifespan. Follow these guidelines to achieve the best analytical results.

Sample Preparation

Handling & Measurement

Cleaning & Storage

Measurement Best Practices

Need Expert Guidance?

TOQUARTZ® engineers provide free technical consultation for your reflective quartz cuvette applications.
Get personalized advice for your specific requirements.

Contact Our Engineer

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.

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Specialized Rhombus Black-Wall Quartz Flow-Through Cells for Chemical Processing -TOQUARTZ®

Process-Integrated Transparent Quartz Flow Cell with M5 Threaded Connectors for Industrial Analytics -TOQUARTZ®

Low-Drift Quartz Flow Cell for ZETA Potential Analyzers in Academic Labs -TOQUARTZ®

Optical Quartz Flow Through Cuvette Both Ends Open for Research Facilities -TOQUARTZ®

Advanced Optical Path Quartz Flow Cell with Inlet and Outlet Tubings for Spectroscopy Applications -TOQUARTZ®

FAQ

Q: What is a half round bottom quartz reflective cuvette used for?

A: half round bottom Reflective quartz cuvettes are specialized optical components designed for measuring the reflectance properties of solid and powder samples in UV-Vis spectroscopy. Unlike standard transmission cuvettes, they feature a half-round bottom design that allows light to reflect off the sample and be detected by the spectrophotometer. They’re particularly valuable for analyzing opaque materials that cannot be measured using traditional transmission methods.

Q: How do you use a half round bottom quartz reflective cuvette to measure reflectance in UV-Vis spectroscopy?

A: To use a reflective quartz cuvette for spectroscopy:

1. Prepare your sample by ensuring it’s uniformly ground (for powders)
2. Fill the reflective cuvette with the sample, ensuring consistent packing
3. Place the cuvette in the spectrophotometer with the flat optical window facing the detector
4. Calibrate the instrument using appropriate reflectance standards
5. Perform your measurement according to your specific protocol
The cuvette’s unique design allows the incident light to reflect off the sample and be measured by the detector, providing spectral information about the sample’s reflective properties.

Q: What materials can be analyzed using half round bottom reflective quartz cuvettes?

A: Reflective quartz cuvettes are versatile for analyzing various solid and powder materials:

· Pharmaceutical powders and tablets
· Pigments, dyes, and colorants
· Ceramic and glass materials
· Soil and environmental samples
· Polymer powders and granules
· Cosmetic and personal care product components
· Food ingredients and additives
· Mineral and geological samples

They’re particularly valuable for any sample that cannot be analyzed using traditional transmission methods due to opacity or physical form.

Q: What are the advantages of quartz over other materials for half round bottom reflective cuvettes?

A: Quartz offers several advantages for reflective cuvettes:

· Superior optical transmission: Quartz provides excellent transparency from 200nm (UV) to 2500nm (NIR), unlike glass which absorbs in the UV region
· Chemical resistance: Highly resistant to most acids, bases, and solvents
· Thermal stability: Maintains dimensional integrity at high temperatures (up to 1100°C)
· Low thermal expansion: Minimal dimensional changes with temperature fluctuations
· Mechanical durability: Greater resistance to scratches and physical damage
· Consistent optical properties: High-purity quartz ensures minimal background interference

These properties make quartz the material of choice for high-precision spectroscopic applications.

Contact our engineering team for technical consultation and pricing. We’ll help you select the optimal specifications for your application requirements.

Half-Round Bottom Structured Reflective Quartz Cuvette for Solid Sample Analysis -TOQUARTZ®