Std Order Run Order Conc of AgNO3 (M) Volume of
reductant (ml)
Ph Tecmperature
(°C)
 Reaction Volume
(ml)
Illumination
1 1 0.01 3 9 27 250 Dark
15 1 0.001 15 9 27 1000 Dark
19 1 0.001 15 9 80 250 Light
5 1 0.01 15 6 80 1000 Dark
21 1 0.001 3 6 80 1000 Light
6 1 0.01 15 9 27 1000 Light
13 1 0.01 3 9 27 250 Dark
11 1 0.001 15 6 27 250 Light
3 1 0.001 15 9 27 1000 Dark
8 1 0.001 3 9 80 1000 Dark
7 1 0.001 15 9 80 250 Light
9 1 0.001 3 6 80 1000 Light
24 1 0.001 3 6 27 250 Dark
10 1 0.01 3 6 27 1000 Light
14 1 0.01 15 6 80 250 Dark
16 1 0.01 3 9 80 250 Light
18 1 0.01 15 9 27 1000 Light
4 1 0.01 3 9 80 250 Light
17 1 0.01 15 6 80 1000 Dark
23 1 0.001 15 6 27 250 Light
2 1 0.01 15 6 80 250 Dark
22 1 0.01 3 6 27 1000 Light
20 1 0.001 3 9 80 1000 Dark
Table 1: Plackett Burman analysis using Minitab 16 generated a 24 run table for 6 factors; all experiments were done in duplicates.