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Reference electrode BR43

Description
Redox potential and pH measurements with separate electrodes require the use of a measurement electrode and a reference electrode. The latter will retain a constant, stable potential during the measurements.

- Mercurous sulphate (Hg/Hg2SO4) reference electrode.
This comprises a glass tube in which a drop of mercury and mercurous sulphate (Hg2SO4) are placed in contact with a platinum wire. The reference element is filled with a saturated potassium sulphate solution (K2SO4).

- Equipped with a porous ceramic junction which allows the reference electrolyte to "sweat" but prevents it from flowing freely.

- Reference electrode used in potentiometry, notably for certain assays where a calomel electrode cannot be used, such as argentometric assays in which the Ag+ ions may react with the chloride ions to form a precipitate of silver chloride (AgCl).

The choice of the reference electrode depends above all on the experimental conditions for your measurements.

This reference electrode must be used with a measurement electrode (BAG1 or XAG1) for correct ORP measurement.

- Versions with various connection technologies are available for adaptation to all your instruments.  

For further technical details, please read the sales brochure on the electrodes and/or contact us.
Designation
Price
Reference
Quantity
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Elect. Reference BR43 Verre Sulf mercure BA2
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BR43-BA2
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Elect. Reference BR43 Verre Sulf mercure BA4
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BR43-BA4
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Elect. Reference BR43 Verre Sulf mercure S7
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BR43-S7
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