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Table 1 Levels of tested parameter for Box-Behnken design

From: Use of response surface methodology for development of new microwell-based spectrophotometric method for determination of atrovastatin calcium in tablets

Independent factors

Unit

Symbol

Levels

Low

High

DDQ

%

A

0.06

0.25

Time

Minutes

B

1

6

Temperature

°C

C

25

37