Thermo Products 9678BNWP manual Electrode Measurements, Direct Measurements

Page 11

Electrode Measurements

Direct Measurements

Direct oxidation-reduction potential (ORP) measurements can be used to determine the oxidizing or reducing capability of a solution and are commonly made in polluted streams, chlorinated waters, industrial wastewaters and other water samples.

1.Prepare the electrode according to the Electrode Preparation section.

2.Set the meter to the millivolt, relative millivolt or EH measurement mode.

3.Place the electrode into the sample solution.

4.When the reading stabilizes, record the displayed mV potential and temperature.

Note: Platinum redox electrodes may give unstable readings in solutions that contain chromous, vanadous and titanous ions or other ions that are stronger reducing agents than hydrogen or platinum.

Redox/ORP Electrode User Guide



Page 10 Page 12
Image 11
Page 10 Page 12
Contents User Guide Page Epoxy Refillable ORP/ATC Triode Cat. No Bnmd and 9180BN IntroductionRequired Equipment Sample Requirements Electrode Preparation for Gel-Filled Electrodes Electrode PreparationElectrode Preparation for Refillable Electrodes Refillable ORP Electrode ORP Standard Values Electrode CalibrationRedox/ORP Electrode User Guide Measurement Techniques Direct Measurements Electrode MeasurementsOxidation-Reduction Titrations References Typical Redox Titration Methods Unknown Interferences Suitable Titrants Titration Reaction Electrode Maintenance Cleaning Solutions Electrode Cleaning ProceduresGeneral Cleaning Disassembling the Sure-Flow Electrode Sure-Flow Electrode Cleaning Cat. No BnwpReassembling the Sure-Flow Electrode Electrode StorageShort-term Storage up to one day Long-term Storage over one daySample/Application TroubleshootingMeter ElectrodeChecking Electrode Operation Assistance WarrantyOrdering Information Thermo Fisher Scientific
Top Page Image Contents