Table 1 Independent variables, their levels and symbols used in this study for Cd2+ ion adsorption by CuS nanorods.

From: Evaluation of CuS nanorods surface interaction with Cd2+ ions, Methyl Orange and microbes for clean water management

Variables

Symbol

Levels

− 1

0

+ 1

pH

A

4

6

8

Contact time (min)

B

30

65

150

Initial concentration (mg L− 1)

C

50

175

300

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