Elementary School, essential elementary
Nicole Hancock
Elementary Operation Water Drop Instructions ...

Results:  Since there is no Canadian Drinking Water Guideline for Ammonia you will compare results to the European Union limit.  The standard should give a result very close to the 0.5 mg/L colour; if the colour is darker then it DOES NOT meet the guidelines.

Elementary Operation Water Drop Instructions (PowerPoint and Video Format)
High School, high school essential
Nicole Hancock
All High School Operation Water Drop Lessons in ...

To allow students to run tests on five different sources of water. Students are expected to collect three samples of water: Urban and Rural (includes Aboriginal and non-Aboriginal communities) treated waters, and a Raw Source Water. 

All High School Operation Water Drop Lessons in One PDF Document
High School, high school essential
Nicole Hancock
High School Operation Water Drop Instructions ...

1.  One bottle contains 5 micrograms/L arsenic.  Put 100 mL of water sample in the second plastic bottle with lid (not the flip top type).  Water should be room temperature (20-25 degrees C).

High School Operation Water Drop Instructions (PowerPoint and Video Format)
Elementary School, essential elementary
Nicole Hancock
Elementary Operation Water Drop Data Sheet

Students enter their results for the tests: alkalinity, ammonia, colour, copper, pH, sulphate, total chlorine, and total hardness. Students compare their results to the Guidelines for Canadian Drinking Water Quality.

Elementary Operation Water Drop Data Sheet
High School, high school essential
Nicole Hancock
High School Operation Water Drop Data Sheet

Students enter their test results for the five water samples. Students enter their results for alkalinity, ammonia, arsenic, colour analysis, copper, iron, manganese, nitrate, pH, sulphate, total chlorine and total hardness.

High School Operation Water Drop Data Sheet

minerals

Manganese Analysis for High School Operation Water Drop

Manganese Analysis for High School Operation Water Drop

Most countries, including Canada, have set an aesthetic rather than a health guideline for manganese. The reason for this is that levels above the guideline can stain porcelain and laundry, drinks such as coffee and tea can become cloudy and taste funny. High manganese levels can also cause diarrhea.

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