Table 1 Variables and their levels for CCD.

From: Exemplifying an archetypal thorium-EPS complexation by novel thoriotolerant Providencia thoriotolerans AM3

Sr. no.

Variables in g% w/v

Coded term

Levels

− 2

− 1

0

+ 1

+ 2

01

NaCl

A

0.50

0.75

1.00

1.25

1.50

02

Peptone

B

1.50

1.75

2.00

2.25

2.50

03

Beef extract

C

0.875

1.00

1.125

1.25

1.375

04

Yeast extract

D

0.00

0.05

0.35

0.55

0.8

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