Table 1 Levels of experimental condition applied for the 26 full-factorial design optimization
From: Screening of conditions controlling spectrophotometric sequential injection analysis
Experimental condition | Minimum level | Maximum level |
|---|---|---|
Flow rate (μL/s) | 15 | 30 |
Permanganate concentration (mmol/L) | 1.0 | 5.0 |
Sulphuric acid concentration (mmol/L) | 10 | 100 |
Permanganate volume (μL) | 50 | 100 |
Sulphuric acid volume (μL) | 30 | 60 |
Diclofenac volume (μL) | 30 | 60 |