Thermo Products 9678BNWP Electrode Cleaning Procedures, General Cleaning, Cleaning Solutions

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Electrode Cleaning Procedures

General Cleaning

1.Soak the electrode in 0.1 M HCl or HNO3 for half an hour.

The electrode can also be soaked for 15 minutes in a 1:10 dilution of household laundry bleach or a 0.1 to 0.5% liquid detergent solution mixed with hot water. The solution should be stirred at a moderate to fast rate.

2.If the electrode is refillable, drain the reference chamber and refill it with fresh filling solution.

3.Thoroughly rinse the electrode with distilled water.

Cleaning Solutions

Cat. No. 900021– pH cleaning solution A for removing protein contaminants.

Cat. No. 900022– pH cleaning solution B for removing bacterial contaminants.

Cat. No. 900023– pH cleaning solution C for general cleaning.

Cat. No. 900024– pH cleaning solution D for removing oil and grease contaminants.

Cat. No. 900020– pH cleaning solution kit, includes cleaning solutions A, B, C and D.

Redox/ORP Electrode User Guide

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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 BnwpShort-term Storage up to one day Electrode StorageLong-term Storage over one day Reassembling the Sure-Flow ElectrodeMeter TroubleshootingElectrode Sample/ApplicationChecking Electrode Operation Assistance WarrantyOrdering Information Thermo Fisher Scientific