- 5401. [pH]
- [The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per lite, providing a measure, on a scale from 0 to 14, of the acidity or alkalinity of a solution where less than 7 is acidic, greater than 7 is basic, and 7 is neutral. ( NCI )] (UMLS (NCI) C0020283) =Quantitative Concept =Unclassified Ingredients;
UnitOfMeasureAtomInsens; UnitOfMeasureAtomSens; =pH TEST; | - 5403. [pt_us]
- [LITERAL ( NCI )] (UMLS (NCI) C0560012) =Quantitative Concept =UnitOfMeasureAtomInsens;
UnitOfMeasureAtomSens |