Description
The MEDILAB Hoffman Voltameter Apparatus is a precision-designed electrolysis system used for the quantitative decomposition of water and measurement of the resulting gas volumes. Widely used in chemistry and physics laboratories, it demonstrates fundamental electrochemical principles, hydrogen–oxygen gas evolution, and Faraday’s laws of electrolysis. Its durable construction and high-clarity borosilicate glass make it a dependable teaching and research tool for educational institutions, QC labs, and scientific facilities worldwide.
Key Features
- Manufactured from premium Borosilicate Glass 3.3 for optimal chemical and thermal resistance.
- Includes platinum and carbon electrodes for accurate electrolysis performance.
- High-precision PTFE key stopcocks ensure tight sealing and smooth gas control.
- Dual graduated burettes for accurate gas volume measurement during electrolysis.
- Clear, rigid central reservoir tube for stable electrolyte containment.
- Glass and metal components integrated for long service life and reliable operation.
- Corrosion-resistant materials suitable for repeated laboratory use.
- Designed for easy assembly, cleaning, and student demonstration.
Material Specifications
Material: Borosilicate Glass 3.3
Properties:
- Exceptional resistance to heat, chemicals, and thermal shock
- Low coefficient of thermal expansion for dimensional stability
- High clarity for easy gas observation and measurement
- Mechanically robust for long-term laboratory use
Compliance Standards:
- Manufactured according to ISO, DIN, and ASTM glassware standards
- Suitable for GLP, academic, and regulated laboratory environments
Technical Specifications
Included Components:
- Two graduated gas collection tubes
- Central reservoir column
- Platinum and carbon electrodes
- PTFE key stopcocks
- Glass and metal base assembly
- Tubing connectors and fittings
Capacities & Dimensions:
- Standard tube capacities suitable for academic and analytical applications
- Precision graduation for accurate gas volume measurement
Accuracy & Tolerance:
- High-accuracy bore uniformity
- Precision-ground glass joints
- Leak-proof PTFE stopcock system
Packaging:
- Export-grade foam-lined protective packaging
- Shock-resistant double-carton system for international transport
Handling & Precautions
- Use only approved electrolytes and avoid corrosive substances that may damage electrodes.
- Rinse thoroughly after each experiment; do not use abrasive cleaning materials.
- Avoid sudden temperature changes to prevent glass stress or breakage.
- Ensure stopcocks are lubricated when necessary for smooth operation.
- Do not overtighten clamps or fittings.
- Compatible with autoclaving up to 121°C; remove metal components before sterilization.
- Inspect electrodes regularly for wear and replace when needed.
Applications
- Demonstration of water electrolysis in chemistry and physics courses
- Measurement of hydrogen and oxygen gas volumes for quantitative study
- Electrochemical research in universities and R&D laboratories
- QC/QA testing in chemical, environmental, and industrial labs
- Teaching Faraday’s laws, ion migration, conductivity, and redox processes
- Suitable for academic practical work, demonstrations, and scientific exhibitions
Why Choose MEDILAB
- 35+ years of experience in manufacturing premium scientific glassware
- Trusted supplier to 40+ countries worldwide
- Export-quality production with strict quality control
- OEM and private-label solutions for global distributors
- Consistent performance, accuracy, and long-term durability
- Robust packaging and reliable global logistics
- Strong customer support and customization options
