Quartz Test Tube - Product Specifications
Engineered for high-temperature laboratory applications, this fused quartz test tube delivers exceptional thermal stability and chemical resistance for critical experiments and industrial processes13.
Core Properties
Material & Construction
Ultra-Pure Fused Quartz: SiO₂ ≥99.99% purity with metallic impurities <0.1 ppm13.
Thermal Resilience: Softening point 1,730°C, withstands sustained use at 1,200°C15.
Precision Fabrication: Laser-cut edges and fire-polished surfaces (Ra ≤0.5μm) to minimize microcracks37.
Performance Specifications
| Parameter | Value |
|---|
| Operating Range | -80°C to 1,200°C35 |
| Thermal Shock ΔT | ≥800°C (air-to-air)7 |
| Standard Sizes | OD 10–50mm × L 50–300mm13 |
| Wall Thickness | 0.5–5.0mm (customizable)1 |
Design Features
Enhanced Chemical Resistance: Inert to HF, HCl, aqua regia, and organic solvents15.
Optical Clarity: >90% UV-VIS transmission (190–2,500 nm)3.
Threaded Options: Screw-cap variants with PTFE seals for vapor containment29.
Primary Applications
High-Temperature Reactions: Catalysis studies, molten salt experiments, and carbide synthesis57.
Material Processing: Crystal growth, annealing, and purification in tubular furnaces3.
Analytical Chemistry: Sample digestion, acid leaching, and trace metal analysis15.
Customization Options
Specialized Forms: Centrifuge-ready designs, branched tubes, or micro-volume variants2.
Surface Treatments: Frosted labeling zones or optical-polish finishes3.
Accessories: Quartz racks, PTFE stoppers, and protective storage cases29.
⚠️ Critical Handling Protocols
Thermal Ramping: Limit heating/cooling rates to ≤10°C/min above 600°C57.
Cleaning Procedure: Use SC1 solution (NH₄OH
₂O₂
₂O 1:1:5) to remove residues13.
Storage: Isolate in inert gas cabinets to prevent surface moisture adsorption7.
Compatible with ICP-MS, GC-MS, and FT-IR analytical systems; certified for ≤0.05 ppm leachable ions35.
