Description
Specifications Table
Product Name – Glassy carbon rod, 3mm (0.1in) dia, type 2
Quantity/Pack Size – 50mm, 100mm, 200mm
Form – Solid rod
Grade – Type 2 (high purity)
Application – Electrochemical cells, sensors, high-temperature experiments
Product Overview
The glassy carbon rod (type 2) is engineered for superior performance in demanding electrochemical applications, featuring a 3mm diameter that balances durability with precision. Its unique glassy carbon structure delivers exceptional chemical inertness, resisting corrosion from acids, alkalis, and organic solvents, while maintaining dimensional stability across extreme temperatures (-200°C to 3000°C). The type 2 grade ensures ultra-low porosity and high electrical conductivity, making it ideal for applications requiring consistent current distribution and minimal background noise. Unlike traditional graphite, this material exhibits a smooth, non-permeable surface that prevents sample contamination and enables reproducible results in cyclic voltammetry, amperometry, and other electroanalytical techniques. Its machinability allows for custom shaping without compromising structural integrity, while the absence of binder materials eliminates impurities that could interfere with sensitive measurements. The rod’s uniform density and thermal shock resistance further enhance its reliability in rapid heating/cooling cycles, ensuring long-term performance in both aqueous and non-aqueous systems.
FAQs
1
What is the maximum operating temperature for this glassy carbon rod?
This type 2 glassy carbon rod maintains structural integrity up to 3000°C in inert atmospheres, though oxidative environments may reduce this limit to ~600°C. 2
Can this rod be used with aggressive solvents like concentrated sulfuric acid?
Yes, glassy carbon exhibits excellent resistance to most acids, including concentrated sulfuric acid, but prolonged exposure to strong oxidizing agents may require surface renewal. 3
How does type 2 differ from standard glassy carbon?
Type 2 features enhanced purity with <10ppm metallic impurities and tighter density control (1.45–1.50 g/cm³), reducing background signals in electrochemical measurements. 4
Is surface polishing required before first use?
While the rod arrives with a machined finish, polishing with alumina slurry (1–0.05µm) is recommended to remove potential surface contaminants from handling. 5
What’s the typical electrical resistivity of this material?
The resistivity ranges between 35–45 µΩ·cm at room temperature, providing optimal conductivity for most electrochemical applications without external doping.
