Iron in drinking water Guidelines Iron is essential for humans Where does the iron that we need come from?? Usually from the food that we eat – not necessary in water Canadian Drinking Water Quality GL is 0.3 mg/L
Iron in drinking water Guidelines Iron is essential for humans Where does the iron that we need come from?? Usually from the food that we eat – not necessary in water Canadian Drinking Water Quality GL is 0.3 mg/L
1. Before you added the colour changing reagent, did you think the two unfiltered samples had the same amount of iron? 2. Did you change your mind about this after adding the reagent? 3. Why do you think it is important for this experiment that these two samples have the same iron concentration?
