Hoffman Voltameter Apparatus

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 are 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: 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 joint Leak-proof PTFE stopcock system

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 sterilisation.
• 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 a 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