US PATENT SUBCLASS 204 / 433
.~.~.~ Measuring carbon or pH

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
400  DF  .~.~ Analysis and testing {20}
433.~.~.~ Measuring carbon or pH

DEFINITION

Classification: 204/433

Measuring carbon content or pH:

(under subclass 400) Apparatus for the measurement of the quality of carbon in a fluid or for the measurement of the hydrogen ion content of a fluid.

(1) Note. This subclass provides for apparatus for monitoring the carbon content of liquid sodium reactor coolant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

423, for apparatus utilizing a solid electrolyte and a fugitive protective element of analysis of liquid metal compositions.