Vernier Vernier Potassium Ion-Selective Electrode

Description

Includes

Potassium ISE, 30mL bottle of High Standard (1000mg/L), 30mL bottle of Low Standard Standard (10mg/L), ISE soaking bottle (empty bottle with insertion cap), user manual

Requires

A compatible interface and software to collect data.

To measure concentration of potassium (K+) ions in aqueous solutions.

• Easy to set up and use in in aqueous solutions
• Stick-style sensor
• Use with LabQuest 2 to take readings in field, lakes or streams
• Replaceable PVC membrane with limited life expectancy
• Recommended for college and high school
• Compatible Interfaces: LabQuest™ 2, Original LabQuest, LabQuest Mini, Go!Link™, SensorDAQ™, LabPro™, EasyLink™, CBL2™, TI-Nspire Lab Cradle™

Specifications:

• Range: 90 to 39,000mg/L (or parts per million)
• pH Range: 2 to 12
• Temperature Range: 0° to 40°C (not compensated)
• Accuracy: ±16% of full scale
• Interfering Ions: Rb₊₂, Cs₊₂, NH₊₄, Ca₊₂, Mg₊₂, Li₊₂
• Electrode Resistance: >50mOhm
• Electrode Slope: 56 ±4mV/decade at 25°C
• Calibration Voltage (typical): 2.7V (1000ppm), 1.9V (10ppm)
• Reproducibility (precision): ±11% of full scale
• Minimum Sample Size: 3mL in a 50mL beaker

Notes:
Not recommended for middle school or elementary students.

Order Info

Interface and software sold separately.

Warranty and Services

Five years on electrode and one year on module.

Specifications

• Applications: Measuring concentration of potassium (K+) ions in aqueous solutions.
• pH Range: 2 to 12
• Temperature (Metric) Range: 0° to 40°C
• Parameter: K+

Safety and Handling

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov