T. Ogawa et T. Hiraide, EFFECT OF PH ON GRADIENT ELUTION OF DIFFERENT PROTEINS ON 2 TYPES OF CERAMIC HYDROXYAPATITE, American laboratory, 28(9), 1996, pp. 17
Hydroxyapatite, a form of calcium phosphate, is an interesting medium
for a special form of chromatography because of its binding capability
for many classes of biomolecules.