alp and acp activities were determined by hydrolysis of p-nitrophenylphosphate ( pnpp ) at ph greater than 8 and ph 5.5 , respectively , and mfp hydrolysis was determined , between ph 5.5 and ph 9.0 , from measurements of [ fluoride ion ] , using an ion-specific electrode .
C0002059
alp
C0020291
hydrolysis