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Table 1 TiO2 and CeO2 physicochemical properties

From: Air-liquid interface exposure to aerosols of poorly soluble nanomaterials induces different biological activation levels compared to exposure to suspensions

   Critallinity Primary particle size (nm) Surface area, BET (m2/g) Primary density (g/cm3)
TiO2 NM105 80 % anatase/20 % rutile 21 46.1 4.2
NM101 anatase 8 316 3.9
NM100 anatase 100 10 3.9
CeO2 NM212 cubic cerionite 29 27 7.2