Hanna HI1151B Refillable combination pH electrode
The Hanna Hanna HI1151B Refillable combination pH electrode is a refillable combination pH electrode specifically designed for use in non-aqueous titrations and with hydrocarbons or organic solvents. Built with high-temperature (HT) glass, a spherical tip, and a double junction reference system, this electrode ensures accurate pH readings even in chemically challenging environments. It connects via a BNC connector, making it compatible with most standard benchtop pH meters.
Key Features
Designed for Non-Aqueous Samples: The HI1151B is ideal for measuring pH in titrations involving organic solvents and hydrocarbon-based systems.
Double Junction Reference: This configuration offers enhanced resistance to contamination, which is critical when working with aggressive or low-conductivity media.
Spherical Glass Tip (9.5 mm): Ensures broad sample contact, supporting stable readings in titration vessels and sample containers.
High-Temperature Glass (HT): The specialized glass formulation allows accurate readings from 0 to 100°C, making it suitable for both ambient and heated samples.
Refillable System: Although the electrolyte is unspecified, the refillable design provides longer electrode life and supports consistent performance over time.
Durable Glass Body: Chemically resistant and easy to clean, the glass body stands up to frequent use in solvent-rich environments.
Standard BNC Connector: Allows seamless connection with most laboratory pH meters for immediate use.
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | HI-1151B |
| Electrode Type | Refillable combination pH electrode |
| Reference System | Double junction, Ag/AgCl |
| Junction / Flow Rate | Ceramic, single / 15–20 µL/h |
| Electrolyte | Refillable (type not specified) |
| pH Range | 1 to 13 |
| Operating Temperature | 0 to 100°C |
| Glass Type | HT (High Temperature) |
| Tip / Shape | Spheric (Ø 9.5 mm) |
| Temperature Sensor | No |
| Amplifier | No |
| Body Material | Glass |
| Cable | Coaxial, 1 meter |
| Connector Type | BNC |
| Recommended Use | Hydrocarbons, solvents, non-aqueous titrations |
Applications
Non-Aqueous Titration: Ideal for pharmaceutical, petrochemical, and research labs working with organic solvents or mixed media.
Hydrocarbon Sample Testing: Effective in systems involving fuel blends, lubricants, and solvent-based compounds.
Chemical Industry: Useful for quality control and development processes requiring accurate pH readings in harsh or non-water-based environments.
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