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Textiles and Clothing Sustainability

Table 4 The absorbance values and range analysis from orthogonal experiment

From: Extraction of eco-friendly natural dyes from mango leaves and their application on silk fabric

No.

A

B

C

Absorbance at 380 nm

1.

1

1

1

0.802

2

1

2

2

0.805

3.

1

3

3

0.779

4.

2

1

2

0.903

5.

2

2

3

0.859

6.

2

3

1

0.94

7.

3

1

3

0.856

8.

3

2

1

1.041

9.

3

3

2

0.999

 

A

B

C

 

K 1

0.795

0.849

0.988

 

K 2

0.910

0.917

0.906

 

K 3

0.981

0.903

0.789

 

R

0.185

0.014

0.199

 
  1. K 1, K 2, K 3—the average value of each factor when its level is 1, 2, or 3. R—the difference between the maximum and minimum results for each factor
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