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Micro cubetas de quartzo fosco com geometria óptica compatível com precisão e tampas para testes de absorbância espectral
Low-Interference Frosted Quartz Micro Cuvette with Lids for Spectral Use
Controlled Light Path Frosted Quartz Micro Cuvette with Lids for UV-VIS
Defined Pathlength Frosted Quartz Micro Cuvette with Lids for UV-VIS
Stable Transmission Frosted Quartz Micro Cuvette with Lids for UV-VIS Labs

Stable Optical Transmission Cell Frosted Quartz Micro Cuvette with Lids for UV-VIS Laboratory Applications -TOQUARTZ®

TOQUARTZ® frosted quartz micro cuvette with PTFE lid is designed for high-precision UV-VIS spectrophotometry and micro-volume sample analysis. Made from high-purity quartz (≥99.98% SiO₂, max. up to 99.995%), it offers excellent optical transmission from 200nm to 2500nm, with no absorption peaks in the UV range.
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Suporte técnico

Features of Frosted Quartz Micro Cuvette with Lids

TOQUARTZ® frosted quartz micro cuvettes combine precision engineering with high-quality materials to deliver exceptional performance for the most demanding spectroscopic applications.

Enhanced UV-VIS Transmission Range

Covers a broad spectral range from 200nm to 2500nm with no UV absorption peaks. Ensures accurate detection of nucleic acids, proteins, and chemical compounds.

Frosted Sidewalls for Light Control

Minimizes stray light interference and internal reflection during measurement. Improves signal-to-noise ratio in low-concentration sample analysis.

Micro-Volume Sample Compatibility

Supports volumes from 350μl to 1750μl for limited or precious samples. Ideal for DNA, RNA, and protein quantification in research labs.

PTFE Lid for Sample Integrity

Provides a secure, chemical-resistant seal to prevent evaporation or contamination. Maintains sample stability during extended analysis or transport.

precision matched frosted quartz micro cuvette with lids for absorbance tests
TOQUARTZ® Frosted Quartz Micro Cuvette with Lids
  • SiO2 Pureza ≥99,98%, até 99,995%
  • Resistência química a reagentes agressivos
  • Thermal Stability up to 600°C

Technical Specifications & Dimensions of Frosted Quartz Micro Cuvette with Lids

TOQUARTZ® frosted quartz micro cuvettes are manufactured to precise specifications to ensure consistent performance across all analytical applications.

Especificações técnicas

Propriedades físicas

ParâmetroEspecificação
MaterialQuartzo de alta pureza (≥99,98% SiO2)
Lid MaterialPTFE (politetrafluoretileno)
Densidade2,2 g/cm³
Coeficiente de expansão térmica5.5×10-7/℃
Acabamento da superfícieFrosted sidewalls, polished optical faces

Propriedades químicas

ParâmetroEspecificação
Resistência a ácidosExcelente (exceto HF)
Resistência a álcalisExcelente
Compatibilidade com solventesCompatível com a maioria dos solventes orgânicos
BiocompatibilidadeInerte, não reativo com amostras biológicas

Propriedades ópticas

ParâmetroEspecificação
Faixa de transmissão200-2500nm
Corte de UV<190nm
Índice de refração1,46 a 589,3 nm

Tabela de tamanhos

350μl Frosted Quartz Micro Cuvette with Lid
ModeloDescriçãoComprimento de ondaCaminho
Comprimento		VolumeEstabilidade térmicaDimensão do contorno
AT-BSM-4027350μl Frosted Quartz Micro Cuvette with Lid200nm-2500nm10 mm350μl600℃12,5×12,5x45 mm
700μl Frosted Quartz Micro Cuvette with Lid
ModeloDescriçãoComprimento de ondaCaminho
Comprimento		VolumeEstabilidade térmicaDimensão do contorno
AT-BSM-4034700μl Frosted Quartz Micro Cuvette with Lid200nm-2500nm10 mm700μl600℃12,5×12,5x45 mm
1050μl Frosted Quartz Micro Cuvette with Lid
ModeloDescriçãoComprimento de ondaCaminho
Comprimento		VolumeEstabilidade térmicaDimensão do contorno
AT-BSM-40311050μl Frosted Quartz Micro Cuvette with Lid200nm-2500nm10 mm1050μl600℃12,5×12,5x45 mm
1400μl Frosted Quartz Micro Cuvette with Lid
ModeloDescriçãoComprimento de ondaCaminho
Comprimento		VolumeEstabilidade térmicaDimensão do contorno
AT-BSM-40301400μl Frosted Quartz Micro Cuvette with Lid200nm-2500nm10 mm1400μl600℃12,5×12,5x45 mm
1750μl Frosted Quartz Micro Cuvette with Lid
ModeloDescriçãoComprimento de ondaCaminho
Comprimento		VolumeEstabilidade térmicaDimensão do contorno
AT-BSM-4031-11750μl Frosted Quartz Micro Cuvette with Lid200nm-2500nm10 mm1750μl600℃12,5×12,5x45 mm
Observação: Oferecemos especificações personalizadas para atender às suas necessidades específicas. Entre em contato com a nossa equipe de engenharia para consulta.
Requisitos personalizados enviados

TOQUARTZ® Solving Critical Challenges in Spectroscopy Applications with Frosted Quartz Micro Cuvette with Lid

Trace-Level Fluorescence Detection in Environmental Pollutant Monitoring Using Frosted Quartz Micro Cuvette with Lid

In environmental labs analyzing trace pollutants like PAHs or heavy metals via fluorescence spectroscopy, even minor stray light can distort low-intensity signals. Standard clear cuvettes often introduce background noise, especially in micro-volume setups, leading to false positives or poor detection limits.

Principais vantagens

  • Reduced Sidewall Reflection by 38.6%
    Frosted surface diffuses lateral light, lowering background signal in ppb-level fluorescence.
  • Improved Signal-to-Noise Ratio by 2.9×
    Enables detection of PAHs and heavy metals at <0.5 ppb with stable baselines.
  • Minimized False Positives in Micro-Volume Tests
    Suppresses optical noise in 350μl samples, reducing false detection events by 31%.
Encontre minha solução

Solução TOQUARTZ

An environmental testing lab in Poland struggled with inconsistent fluorescence readings when detecting benzo[a]pyrene at 0.3 ppb. Using standard clear cuvettes, background noise caused 22% false positive rates. After switching to TOQUARTZ® frosted quartz micro cuvettes, false positives dropped to 6%, and detection repeatability improved by 2.7× across 5 replicates.

Protein Aggregation Studies in Biopharmaceutical Formulation Using Frosted Quartz Micro Cuvette with Lid

Biopharma R&D teams often analyze protein aggregation via UV absorbance at 280nm. In micro-volume formats, light scatter from cuvette walls can mimic aggregation signals, leading to false interpretation of protein stability. Sample evaporation during thermal ramping further complicates results.

Principais vantagens

  • Scatter Reduction at 280nm by 41%
    Frosted walls eliminate wall-induced light scatter that mimics protein aggregation.
  • Evaporation Loss Reduced by 85%
    PTFE lid maintains sample volume during 60-minute thermal ramping cycles.
  • Improved A280 Consistency in 1ml Samples
    Entrega <1.2% absorbance deviation across 10 replicates in micro-volume assays.
Encontre minha solução

Solução TOQUARTZ

A biopharma R&D team in South Korea observed inconsistent A280 readings during thermal stress testing of monoclonal antibodies. Using clear cuvettes, aggregation was falsely indicated in 3 out of 10 samples. After adopting TOQUARTZ® frosted quartz micro cuvettes, false aggregation signals were eliminated, and absorbance deviation dropped from 3.8% to 0.9%, enabling reliable formulation screening.

DNA Quantification in Forensic Micro-Sample Analysis Using Frosted Quartz Micro Cuvette with Lid

Forensic labs often work with degraded or trace DNA samples. UV absorbance at 260nm requires high signal clarity, but standard cuvettes introduce optical noise in low-volume samples. Additionally, sample loss due to evaporation can compromise irreplaceable evidence.

Principais vantagens

  • Noise Suppression in 260nm UV Readings
    Frosted walls reduce optical interference, enhancing clarity in degraded DNA samples.
  • Sample Volume Retention >98%
    PTFE lid prevents evaporation during 30-minute quantification protocols.
  • Detection Sensitivity Improved by 2.4×
    Enables accurate quantification from as little as 5ng/μl DNA in 350μl volumes.
Encontre minha solução

Solução TOQUARTZ

A forensic lab in Ontario, Canada, faced challenges quantifying degraded DNA from 15-year-old evidence. Standard cuvettes introduced noise that masked low-concentration signals. After switching to TOQUARTZ® frosted quartz micro cuvettes, signal clarity improved significantly, enabling successful quantification at 5ng/μl with 96% confidence, and reducing sample reprocessing by 40%.

TOQUARTZ® Customization Options for Frosted Quartz Micro Cuvette
with Lids

TOQUARTZ® offers specialized customization options for our frosted quartz micro cuvettes to meet your specific application requirements.

Volume Customization

  • Micro volumes down to 150μl
  • Custom fill volumes between standard offerings
  • Special internal chamber designs

Dimensional Modifications

  • Comprimentos de caminho não padronizados
  • Custom height requirements
  • Special Z-dimension requirements

Opções de tampas especializadas

  • Screw-cap lid variations
  • Alternative materials to PTFE
  • Septa-compatible designs for sampling

Usage Guide of Frosted Quartz Micro Cuvette with Lids

Follow these guidelines to maximize the performance and lifespan of your TOQUARTZ frosted quartz micro cuvettes, ensuring consistent results and longevity.

Manuseio adequado

  • Always handle cuvettes by the frosted sides to avoid fingerprints on optical windows
  • Place on clean, soft surfaces when not in use
  • Avoid touching optical faces with bare hands
  • Use cuvette holders designed for 12.5mm × 12.5mm dimensions

Carregamento de amostras

  • Fill to appropriate volume using micropipettes
  • Avoid scratching inner walls with pipette tips
  • Ensure no air bubbles are present in the light path
  • Secure PTFE lid firmly but avoid over-tightening

Procedimento de limpeza

  • Enxágue imediatamente após o uso com o solvente apropriado (normalmente água deionizada)
  • For persistent residues, soak in 5% HCl or Hellmanex™ solution
  • Enxágue bem com água ultrapura
  • Dry with filtered compressed air or nitrogen
  • Avoid abrasive materials that could scratch optical surfaces

Recomendações de armazenamento

  • Armazene na embalagem original ou em suportes de cubetas específicos
  • Keep in dust-free environment
  • Store with PTFE lid slightly loosened to prevent sticking
  • Avoid direct contact with other cuvettes or hard surfaces

Precisa de assistência técnica?

Our engineers are available to provide free project consultation for your Frosted Quartz Micro Cuvette with Lid aplicativos.
Get expert advice on material selection, dimensions, and specifications.
Entre em contato com nosso engenheiro

Por que fazer parceria com a TOQUARTZ?

Vantagem da fábrica direta

Como fabricante direto, podemos eliminar os inúmeros elos intermediários.

Especialização em engenharia

A equipe técnica orienta os clientes desde a seleção do material até a otimização do projeto, traduzindo as especificações em produtos.

Fabricação flexível

Atendimento de pedidos padrão e personalizados por meio de experiência em pequenos lotes e rigor na criação de protótipos para cumprir prazos urgentes.

Qualidade
Garantia

Validação em três etapas antes da remessa:
1. precisão dimensional,
2. pureza do material,
3. limites de desempenho

Cadeia de suprimentos global

Logística global confiável para centros industriais (prioridade DE/US/JP/KR) com marcos rastreáveis.

Produtos liberados

Como um fabricante especializado com recursos de fábrica direta, a TOQUARTZ fornece soluções de quartzo padrão e personalizadas com suporte de engenharia durante todo o processo de especificação e implementação.

PERGUNTAS FREQUENTES

Q: Why does the Frosted Quartz Micro Cuvette with Lid have frosted sidewalls instead of fully transparent walls?

A: The frosted sidewalls in the Frosted Quartz Micro Cuvette with Lid are designed to suppress stray light and reduce internal reflections, which is critical for improving signal-to-noise ratio in micro-volume UV-VIS and fluorescence measurements.

A: No. The optical windows remain fully polished for accurate light transmission. The frosted areas are only on the sidewalls, outside the light path, and do not interfere with measurement accuracy.

A: The PTFE lid maintains a tight seal under temperature changes, reducing evaporation by over 85% during thermal ramping in protein or DNA stability studies.

A: No. The frosted walls are outside the optical path and do not interfere with baseline correction. In fact, they help stabilize the baseline by reducing stray light interference.

A: Yes. The frosted design enhances signal clarity at 260nm, and the lid prevents evaporation, making the Frosted Quartz Micro Cuvette with Lid ideal for forensic or trace DNA quantification.

Entre em contato com nossa equipe de engenharia para obter consultoria técnica e preços. Nós o ajudaremos a selecionar as especificações ideais para os requisitos de sua aplicação.

SOBRE A TOQUARTZ

A TOQUARTZ é pioneira em produtos de vidro de quartzo personalizados e precisos, projetados para excelência laboratorial, industrial e óptica.

Fornecemos os melhores produtos de quartzo sem restrições de MOQ, juntamente com prototipagem rápida.

PRODUTOS

Recursos

CONTATO

Entre em contato conosco para qualquer dúvida!

Telefone: +86-19311583352
Whatsapp: +86-19311583352
E-mail: info@toquartz.com

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