Hanna HI4101 Ammonia Combination Ion Selective Electrode (ISE)
The Hanna HI4101 Ammonia Combination Ion Selective Electrode is a gas-sensing combination ion selective electrode designed to measure ammonia (NH₃) concentrations in aqueous solutions. With a built-in reference electrode and rugged body construction, this sensor offers a complete and convenient solution for precise ammonia analysis in water, wastewater, and environmental samples.
Key Features
Wide Detection Range: The electrode measures ammonia across concentrations from 1 M to 1×10⁻⁶ M, which equates to 17,000 to 0.02 mg/L (ppm) or 14,000 to 0.016 mg/L as nitrogen (N). This broad range makes the HI4101 ideal for both high and trace-level detection.
Gas-Sensing Combination Design: Unlike half-cells, the HI4101 combines both the sensing and reference elements in a single body, simplifying setup and reducing maintenance requirements.
High pH Requirement: The electrode performs optimally in samples with pH >11, where free ammonia exists in gaseous form for accurate measurement.
Stable Temperature Operation: With a working range of 0 to 40°C, the HI4101 provides reliable readings under typical laboratory and field conditions.
Durable Delrin® Body: The chemical-resistant Delrin® construction enhances durability, ensuring long-lasting performance even in harsh chemical environments.
Plug-and-Play Compatibility: The 1-meter coaxial cable with a BNC connector allows quick connection to most ion meters and portable instruments.
Specifications
Product Name: Ammonia Combination Ion Selective Electrode
SKU: HI4101
Type: Gas-sensing combination electrode
Measurement Range:
1.0 M to 1×10⁻⁶ M
17,000 to 0.02 mg/L (ppm) NH₃
14,000 to 0.016 mg/L as N
Optimal pH Range: Greater than 11
Temperature Range: 0 to 40°C
Dimensions: 12 mm diameter × 120 mm length
Body Material: Delrin®
Cable: 1 m coaxial
Connector: BNC
Reference Electrode: Built-in (combination type)
Applications
Water and Wastewater Analysis: Operators measure ammonia in municipal and industrial wastewater to monitor nitrogen load and treatment efficiency.
Aquaculture and Aquariums: Because ammonia is toxic to aquatic life, this electrode is used to maintain safe water conditions.
Environmental Testing: Field scientists measure ammonia in rivers, lakes, and groundwater to assess pollution or runoff impact.
Agricultural Water Monitoring: Agronomists use the HI4101 to evaluate nutrient levels in irrigation water and fertilizer solutions.
Educational and Research Labs: Instructors and researchers rely on the HI4101 for consistent ammonia analysis during experiments and demonstrations.
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