Potassium Ion-Selective Electrode, To Measure Concentration Of Potassium (K ) Ions In Aqueous Solutions, Each

Details:

Easy to set up and use in in aqueous solutionsstick-style sensoruse with labquest 2 to take readings in field, lakes or streamsreplaceable pvc membrane with limited life expectancyrecommended for college and high schoolcompatible 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 12temperature range: 0° to 40°c (not compensated)accuracy: ±16% of full scaleinterfering ions: rb 2, cs 2, nh 4, ca 2, mg 2, li 2electrode resistance: >50mohmelectrode slope: 56 ±4mv/decade at 25°ccalibration voltage (typical): 2.7V (1000ppm), 1.9V (10ppm)reproducibility (precision): ±11% of full scaleminimum sample size: 3ml in a 50ml beakernotes:not recommended for middle school or elementary students.Order infointerface and software sold separately.Warranty and servicesfive years on electrode and one year on module.