3. Results

Fig. 1, Table 1. Table of observations.

	Bleach	Detergent	Soap	Control
Iron is Present	Test 1 Observations: The iron (II) sulfate reacted glowed brightly.	Test 2 Observations: The iron (II) sulfate reacted and glowed dimly.	Test 3 Observations: The iron (II) sulfate reacted and glowed dimly.	Test 4 Observations: The iron (II) sulfate reacted and glowed brightly.
Iron is Absent	Test 5 Observations: The iron (II) sulfate reacted and glowed dimly.	Test 6 Observations: There was a very very dim glow.	Test 7 Observations: There was no reaction.	Not Tested

Fig 2, Table on positive/negative results and false/true results.

	Bleach	Detergent	Soap	Control
Iron is Present	Test 1 Result: Positive True Result	Test 2 Result: Positive True Result	Test 3 Result: Positive True Result	Test 4 Result: Positive True Result
Iron is Absent	Test 5 Result: Positive False Result	Test 6 Result: Positive False Result	Test 7 Result: Negative True Result	Not Tested

Fig 3, Table on brightness of the glow.
Scale of 1 to 5, 5 being the brightest and 1 being no light emitted at all.

	Bleach	Detergent	Soap	Control
Iron is Present	Test 1 4	Test 2 3	Test 3 3	Test 4 5
Iron is Absent	Test 5 2	Test 6 1*	Test 7 1	Not tested

*There was a very dim glow. However, the camera couldn’t capture it.

Fig 4, Summary of results.

		Results
Test	Positive/Negative	True/False Result	Brightness
1	Positive	True	4
2	Positive	True	3
3	Positive	True	3
4	Positive	True	5
5	Positive	False	2
6	Positive	False	1
7	Negative	True	1

Other Observations
There was very dim glow for test 6 which could not be captured by the camera.