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Troubleshooting

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6 Troubleshooting

Problem

Cause

Remedy

Slow response

The Ag layer is passivated
by the deposition of silver
halide, silver sulfide and sil-
ver oxide.

Clean the metal ring with toothpaste or a pol-
ishing set (6.2802.000) or immerse the elec-
trode in concentrated NH

Содержание 6.00402.300

Страница 1: ...dAg ring electrode 6 00402 300 Sensor leaflet 8 0109 8008EN 2021 09 23...

Страница 2: ......

Страница 3: ...Metrohm AG Ionenstrasse CH 9100 Herisau Switzerland 41 71 353 85 85 info metrohm com www metrohm com dAg ring electrode 6 00402 300 Sensor leaflet 8 0109 8008EN 2021 09 23...

Страница 4: ...ove Disclaimer Deficiencies arising from circumstances that are not the responsibility of Metrohm such as improper storage or improper use etc are expressly excluded from the warranty Unauthorized mod...

Страница 5: ...Storing the dAg ring electrode 4 4 Installation 6 4 1 Preparing the dAg ring electrode 6 4 2 Mounting the electrode 7 5 Maintenance 9 5 1 Metal electrode Changing refilling the electrolyte 9 5 2 Asse...

Страница 6: ......

Страница 7: ...is a combined metal electrode for precipitation titrations with alteration of the pH value The dAg ring electrode is a dTrode digital electrode for OMNIS 1 2 dAg ring electrode Overview Figure 1 dAg r...

Страница 8: ...sed to the solu tion If the sample solution contains ions of this metal an equilibrium develops on the surface of the metal that depends on the concentration of the metal ions Metal ions are taken up...

Страница 9: ...2 Packaging The product and accessories are supplied in protective special packaging Keep this packaging to ensure safe transportation of the product If a transport locking device is present keep this...

Страница 10: ...electrode see chapter 4 1 page 6 Checking the electrode Assessing a metal electrode see chapter 5 2 page 9 NOTICE Defective electrodes must be sent back for warranty processing within two months start...

Страница 11: ...Delivery and packaging 5 NOTICE Always store the electrode in the storage solution...

Страница 12: ...be rinsed before each measurement Frequent abrasive cleaning is not recommended 3 Cleaning a diaphragm that is clogged with silver chloride Close the filler opening 1 3 Immerse the electrode in a conc...

Страница 13: ...the cable first release the outer ring and then carefully pull the cable connection from the electrode head When doing so be sure not to pull on the cable itself but the cable connector instead 4 2 Mo...

Страница 14: ...n of the titrant the titration tip should be positioned where tur bulence is high Furthermore the distance between the addition of the titrant and the electrode should be as large as possible Therefor...

Страница 15: ...t used immediately 6 Immerse the electrode in electrolyte solution overnight Then the electrode is ready for use again 5 2 Assessing a metal electrode Carrying out a standard titration 1 Fill a 100 mL...

Страница 16: ...ollowing specifications Consumption EP mL 1 95 2 05 Potential jump mV deltaU90 110 70 mV Titration time s approx 150 NOTICE If the measurement result does not correspond to the specifica tions clean t...

Страница 17: ...blem Cause Remedy Slow response The Ag layer is passivated by the deposition of silver halide silver sulfide and sil ver oxide Clean the metal ring with toothpaste or a pol ishing set 6 2802 000 or im...

Страница 18: ...ows to dispose of the electrode 1 Draining the electrolyte Use a plastic pipette to remove the electrolyte from the electrode 2 Disposing of the electrolyte Dispose of the electrolyte in accordance wi...

Страница 19: ...o 45 C at max 80 relative humidity non condensing Storage 5 to 45 C 8 2 Metal electrode Dimensions Measurements Shaft diameter 12 mm Maximum installation length 125 mm 8 3 Metal electrode Housing Mate...

Страница 20: ...Display specifications 14 8 5 dTrodes Display specifications Status display LED green red 8 6 dAg ring electrode Measurement specifications pH range 0 14 Temperature range 0 70 C Minimum immersion dep...