FIELD: metallurgy.
SUBSTANCE: aluminium reference electrode contains molten aluminium and potential measuring device, which are placed into alumina diaphragm, protected by graphitic case, potential measuring device is implemented from solid aluminium. Diaphragm is manufactured from porous alundum with open porosity 0.5-3.0% (vol.).
EFFECT: improvement of electrode operation with simultaneous increasing of useful life.
2 cl, 2 dwg, 1 tbl
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