International Journal of Interdisciplinary Research
From: The effect of washing parameters on the quantity of dye discharge from clothes
Factor | Unit | Coding level | ||||
---|---|---|---|---|---|---|
− 2 | − 1 | 0 | 1 | 2 | ||
A: Washing time | min | 15 | 20 | 25 | 30 | 35 |
B: Washing temperature | ℃ | 20 | 30 | 40 | 50 | 60 |
C: Washing water volume | L | 10 | 15 | 20 | 25 | 30 |
D: Weight of FSC | g | 25 | 50 | 75 | 100 | 125 |