Iron Test. 1. Label five beakers with their respective names: Urban Treated Water, Rural Treated Water, Untreated Raw Water, Local Community Treated Water,

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Presentation transcript:

Iron Test

1. Label five beakers with their respective names: Urban Treated Water, Rural Treated Water, Untreated Raw Water, Local Community Treated Water, Canadian Guideline Limit Sample for Iron (CGLS). 2. Put 10 mL of a water sample or (CGLS) in their respective beakers.

3. With scissors cut the top of each aluminum pouch, then squeeze the pouch (this opens it up)

3. (Continued) and add the contents of one pouch into each beaker.

4. Wait for 3 minutes, and then compare the colour (look at the beaker from the top) with the CGLS (giving CGLS a rating of 10), estimate what the other beakers contain, the lighter the colour, the lower your rating. Write down the ratings that you got for each sample. Results: The Canadian Guideline Limit Sample for iron of 0.3 mg/L was rated 10; a lower rating (lighter colour) means that the water meets the guideline; a rating higher than 10 means that the water Does Not meet Canadian Drinking Water Guidelines.