Serial number

A

B

C

D

Wax dissolution rate/(g/min)

1

1

1

1

1

0.0326

2

1

1

1

2

0.0314

3

1

2

2

1

0.0327

4

1

2

2

2

0.0319

5

2

1

2

1

0.0304

6

2

1

2

2

0.0309

7

2

2

1

2

0.0346

8

2

2

1

2

0.0349

9

3

1

2

1

0.0334