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Table 4 Flow properties

From: Development of superior chitosan–EDTA microparticles as an adsorbent base for solidifying the self-emulsifying drug delivery systems

Code

θ

ρb

ρt

CI

HR

Flowability

A1

17 ± 1.9

0.93 ± 0.12

0.99 ± 0.23

5.72

1.06

Fair

A2

9 ± 0.5

0.98 ± 0.19

1.12 ± 0.31

12.5

1.14

Free flow

A3

13 ± 1.3

0.76 ± 0.36

0.8 ± 0.27

5

1.04

Free flow

B1

12 ± 0.9

0.91 ± 0.29

1.01 ± 0.41

11.11

1.12

Free flow

B2

16 ± 1.2

0.97 ± 0.31

1 ± 0.22

3

1.03

Fair

B3

14 ± 1.6

1.13 ± 0.28

1.18 ± 0.39

3.89

1.04

Free flow

C1

16 ± 0.8

0.89 ± 0.18

1.04 ± 0.47

13.5

1.15

Free flow

C2

13 ± 1.1

0.91 ± 0.24

1.04 ± 0.29

13.12

1.15

Free flow

C3

11 ± 0.9

0.89 ± 0.37

0.99 ± 0.41

10.5

1.11

Free flow

X1

17 ± 0.5

0.93 ± 0.15

0.99 ± 0.36

5.72

1.06

Fair

X2

9 ± 1.2

0.98 ± 0.45

1.12 ± 0.22

12.5

1.14

Free flow

X3

13 ± 1.7

0.76 ± 0.26

0.8 ± 0.17

5

1.04

Free flow

Y1

11 ± 0.6

0.9 ± 0.33

1.01 ± 0.43

11.1

1.12

Free flow

Y2

16 ± 0.8

0.97 ± 0.18

1 ± 0.33

3

1.03

Fair

Y3

14 ± 1.1

1.13 ± 0.22

1.18 ± 0.24

3.97

1.04

Free flow

  1. *θ = angle of repose (°), ρb = bulk density (g/cm3), ρt = tapped density (g/cm3), CI = Carr’s index, HR = Hausner’s ratio