IfcPHMeasure is a measure of the molar hydrogen ion concentration in a liquid (usually defined as the measure of acidity) in a range from 0 to 14.
HISTORY New type in IFC2x2.
XSD Specification:<xs:simpleType name="IfcPHMeasure">
|WR21||:||The pH value shall be in the range from 0 to 14.|
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