by means of potentiometric ph titrations at 25 degrees c and an ionic strength of 1.0 ( kno ( 3 ) ) , the formation of ca ( ii ) -dpa ( 1:1 and 1:2 ) chelates and the interactions of ca ( ii ) -dpa chelate with a mole of each of three typical amino acids viz. , cysteine , alanine , and glycine has been investigated .
C0002520
amino acids
C0001898
alanine