Microspherical sintered bodies of hydroxyapatite thus obtained, which may be modified by {HEAD ~ an optical heat treatment} to adjust the surface area of the sintered body and {TAIL ~ growth} of crystals therein, are useful in various fields of industry, for example, as a sorption agent in chromatographic separation 
to adjust
Microspherical sintered bodies of hydroxyapatite thus obtained , which may be modified by { HEAD ~ an optical heat treatment } to adjust the surface area of the sintered body and { TAIL ~ growth } of crystals therein , are useful in various fields of industry , for example , as a sorption agent in chromatographic separation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH