SensorsBiologyGDX-NO3CollegeHigh School
Go Direct® Nitrate Ion-Selective Electrode
The Go Direct Nitrate Ion-Selective Electrode (ISE) can be used to measure the concentration of nitrate (NO 3 – ) in aqueous samples. It connects via Bluetooth® wireless technology or via USB to your device.
Technical Specifications
WiredUSB
Range Mv±1000 mV Range (concentration): 1 to 14,000 mg/L (or ppm) Accuracy: ±10% of full scale (calibrated 1 to 100 mg/L) Interfering ions: ClO 4 – , I – , ClO 3 – , F – pH range: 2.5–11 (no pH compensation) Temperature range: 0–40°C (no temperature compensation) Electrode slope: –55 ±3 mV/decade at 25°C Electrode resistance: 0.1 to 5 MΩ Minimum sample size: must be submerged 2.8 cm (1.1 in) Connections: Wireless: Bluetooth
ConnectivityBluetooth / USB
IB Curriculum
Curriculum Alignment
2.3SL + HL
Flows of energy and matter
Ecosystems and ecology
Productivity MeasurementCarbon Cycle Investigation
Direct alignment
3.3SL + HL
Threats to biodiversity
Biodiversity and conservation
Habitat Quality AssessmentHuman Impact Study
Direct alignment
4.1