You need the Sample Bottle, the Oxygen Reaction Bottle (the glass
bottle with a stopper and beads inside) and the Dissolved Oxygen
Kit.
1. Rinse the sampling bottle with lake water. 2. Pour 1 mL of water into one of the measuring glasses and place
it at Position A in the compactor. 3. Put the Oxygen Reaction Bottle completely under water. Fill to
the top. Tap the sides to remove air bubbles. With the bottle still
under water, replace the cap. 4. Add 5 drops Of 02 -1. 5. Add 5 drops of 02-2. Close the bottle. Shake the bottle. 6. Wait 1 minute. Add 12 drops of 02-3. Close the bottle. Shake
it until the deposit dissolves.
|
7.
Pour 1 mL of this solution into the second measuring glass and place
it at position B in the comparator. 8. Look through the inspection hole of the compactor and side it
until the colours match. 9. Read the value off the recess on the comparator reed. Estimate
mid-values. Write the value on the data sheet. 10. Rinse the Oxygen Reaction Bottle and the two measuring glasses
in lake water.
Next > Measuring Turbidity |