Mass of Fly Ash (grams)

Sample 1 Concentration of Iron in ppm

Before treatment

After Treatment

Run 1

After treatment

Run 2

Average of 2 runs

2

0.064

0.017

0.017

0.017 ± 0.000

4

0.064

0.012

0.015

0.014 ± 0.002

6

0.064

0.014

0.009

0.012 ± 0.004

8

0.064

0.003

0.000

0.000 ± 0.001

10

0.064

0.000

0.000

0.000 ± 0.000