Assertion: apatite | /r/HasProperty | formed under air
Facets:
Source sentences:
text: When the apatite nuclei were grown by soaking the substrate in SBF under an atmosphere with a CO 2 partial pressure of 14.8 kPa to increase the content of carbonate ion to a level nearly equal to that of blood plasma, the apatite formed under the CO 2 atmosphere showed higher carbonate content and Ca/P atomic ratio than the apatite formed under air .