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Table 2 Physico-chemical characteristics of DQ12[56]and LFA[5],[45],[46]

From: An in vitro testing strategy towards mimicking the inhalation of high aspect ratio nanoparticles

  Dimension (μm) Geometric aspect ratio Chemical composition (%) Stiffness (103kg/cm2)
DQ12 0.7-6 - crystalline SiO2 87 -
amorphous SiO2
Na2O, K2O, LiO2, Al, K, Ca, Ti, Fe
LFA 5.37 (l) ± 0.40 (w) 8.8* SiO2 49-52* 1620 [40]
FeO 35-40
50.36% >15 (l)# Fe2O3 0-5
35.25% > 20 (l)# MgO 5-7
Al2O3, CaO, Na2O, N2O+
  1. *Deduced from the geometric mean length (3.1 μm) and width (0.35 μm) of LFA [46].
  2. #Key size ranges.