Concentration of Au (μg/ml)

Burner Height (mm)

15

20

25

28

30

0.4

0.68

0.63

0.41

0.51

0.52

1

1.30

1.36

0.99

0.90

1.20

2

2.60

2.36

2.10

1.99

2.06

4

4.90

4.73

4.09

3.90

4.06

8

8.87

8.68

8.0

7.50

7.40