A chromatographic packing material, which comprises {TAIL ~ microspherical sintered bodies} of {HEAD ~ hydroxyapatite} prepared according to the process 1 
A chromatographic packing material , which comprises { TAIL ~ microspherical sintered bodies } of { HEAD ~ hydroxyapatite } prepared according to the process 1
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH