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Total Hardness Test. 1. Label the two beakers with their respective names. 2. Put 10 mL of sample in their respective beakers.

Published byRosamund Roberts Modified over 9 years ago

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Presentation on theme: "Total Hardness Test. 1. Label the two beakers with their respective names. 2. Put 10 mL of sample in their respective beakers."— Presentation transcript:

1 Total Hardness Test

2 1. Label the two beakers with their respective names. 2. Put 10 mL of sample in their respective beakers.

3 3. Dip one test strip in sample beaker for 3 seconds.

4 4. Remove and immediately match to the closest colour on the colour chart that is located on the test strip packet. Colour is only stable for 1 minute. 5. Read and record results as mg/L (parts per million), match with the best colour to determine the Total Hardness concentration. 6. Repeat for the Guideline Limit Sample. Results: The Saskatchewan Guideline Limit Sample (SGLS) for Total Hardness should give a result very close to the 800 mg/L guideline; this is a very high level of hardness and should only be encountered in untreated well water sources.

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