|Water Bottle Prep|
NOTE: These steps only apply if the specified test is not being performed immediately after the samples are collected.
Retrieve safety goggles from the sterilization cabinet in the Prep Room
Wear PLASTIC gloves
Add 1:1 nitric acid solution to the water bottle with a 1-mL plastic dropper to adjust the pH so that it is a measurement of 2 or less.
Ask Dr. Lindeman or Dr. Morgan for permission to store the water bottles in the Prep Room refrigerator
Store water bottles in the refrigerator after receiving permission
When you are ready to perform the HACH test, add 2% sodium hydroxide solution with a 1-mL plastic dropper to adjust the pH so that it is between 3 and 5.
After making this adjustment, you are ready to begin performing the experiment.
Refer to the HACH manual in the Prep Room or the website for further information
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