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International Journal of Interdisciplinary Research

Table 2 Experimental conditions for the enzyme fading

From: Enzyme washing of indigo and sulphur dyed denim

Variables Coded levels for different enzymes
Acid enzyme Neutral enzyme
− 1 0 + 1 − 1 0 + 1
Concentration (%) 0.5 1.25 2 0.5 1.25 2
Time (min) 30 45 60 60 75 90
Mechanical agitation (number of steel balls) 0 5 10 0 5 10