13
7. Select
Finish
, then choose where you want the data to be placed
on your opened spreadsheet.
M A I N T E N A N C E
The most important requirement for accurate and reproducible
conductivity measurements is a clean cell. A dirty cell changes the
conductivity of a solution through contamination. Clean the cell
thoroughly before storing it. To clean the conductivity cell:
1. Dip the cell in cleaning solution and agitate for two to three minutes.
Any foaming acid tile cleaner, such as Dow Chemical Bathroom
Cleaner, should clean adequately. For a stronger cleaner, use a
solution of 1:1 isopropyl alcohol and 1 N HCl. Remove the cell from
the cleaning solution.
2. Use the nylon brush (supplied)
to dislodge any contaminants
from inside the electrode
chamber.
3. Repeat steps one and two until
the cell is completely clean.
Rinse the cell thoroughly in
deionized, or clean tap water.
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