8.11.2.66 IfcPHMeasure

8.11.2.66.1 Semantic definition

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.

WR21	<html><body><p>The pH value shall be in the range from 0 to 14.</p></body></html> {0.0 <= SELF <= 14.0}

Table 8.11.2.66.A

 TYPE IfcPHMeasure = REAL;
 WHERE
	 WR21 : {0.0 <= SELF <= 14.0};
END_TYPE;