.~ Including controlling process in response to a sensed condition {7}
743
.~.~ pH sensing
DEFINITION
Classification: 210/743
pH Sensing:
(under subclass 739) Process in which the hydrogen (or hydronium) ion concentration is measured and used as a basis for response by the actuating means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
639, for a dialysis or osmosis process including a change in pH.
724, for a precipitating or flocculating process, including regulating pH.