Table 6 Signifiant tems rank.

From: Characterization optimization of synthesis Chitosanclay/benzoin/Fe3O4 composite for adsorption of Thionine dye by design expert study

Rank

Significant term

1

C: Temperature

2

D: Time

3

B: pH

4

A: Adsorbent dose

5

B: pH*B: pH

6

B: pH*D: Time

7

A: Adsorbent dose*C: Temperature

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