Ammonium Ion-Selective Electrode, To Measure The Concentration Of Ammonium (Nh&Subscript_Begin;4 &Subscript_End; In Aqueous Samples, Each

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Measure ammonium ions introduced from fertilizersalso indicates aqueous ammonia levels if sample solutions are acidified to convert nh3 to nh4combination-style, non-refillable, gel-filled electrodereplaceable pvc membrane with limited life expectancycompatible interfaces: labquest™ 2, original labquest, labquest mini, go!Link™, sensordaq™, labpro™, easylink™, cbl2™, ti-nspire lab cradle™specifications:range: 1 to 18,000mg/l or ppmaccuracy: ±10% of full scale (calibrated 1 to 100mg/l)ph range: 4 to 7.5Interfering ions: k electrode slope (log voltage vs. Concentration): 56mv/decadeelectrode resistance: 1 to 4mohmtemperature range: 0° to 50°cminimum immersion: 1.1 In.Electrode length: 155mmbody diameter: 12mmcap diameter: 16mmcable length: 100cmnotes: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.