US PATENT SUBCLASS 324 / 440
.~.~ Which includes a dropping mercury cell


Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

425  DF  ELECTROLYTE PROPERTIES {3}
439  DF  .~ Using a conductivity determining device {8}
440.~.~ Which includes a dropping mercury cell


DEFINITION

Classification: 324/440

Which includes a dropping mercury cell:

(under subclass 439) Subject matter wherein voltage is applied to a reference electrode and a mercury drop electrode immersed in an electrolyte, whereby the oxidation or reduction at the mercury drop electrode alters the passage of current through the electrode thereby providing an indication of the conductivity of the electrolyte at that voltage.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

219+, for movable liquid electrode cells, per se.