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Table 7 Bulk density and BET data

From: Hydroxyapatite extracted by animal bone image analysis in ionic liquid choline chloride-glycerol

 

Bulk density

/g/cm3

Specific surface

/m2 g− 1

Pore volume

/cm3 g−1

Pore diameter

/nm

Grain size

/nm

Product HAp

2.93

58.72

0..46

14.27

34.87

Sample HAp

3.16

56.77

0.19

13.60

33.0

  1. BET grain size is calculated on the basis of D = 6/(ρ • SBET), where D is the grain size of HAp particle (m)
  2. ρ the density (g/cm3); SBET the specific surface area (m2•g-1)