LaMotte 2020i Turbidimeter - Manual (Page 23)

2. Pour approximately 50 mL of deionized water into the
barrel of the syringe. Insert the plunger. Exert pressure
on the plunger to slowly force the water through the
filter. Collect water in the clean storage container. Rinse
walls of the container then discard this rinse water.
3. Remove the filter from the syringe. Remove the plunger
from the barrel. (This step is required to prevent
rupturing the filter by the vacuum that would be created
when the plunger is removed.)
4. Replace the filter and repeat step 2 for a second rinse of
the syringe and storage container.
5. Remove the filter from the syringe. Remove the plunger
from the barrel. Replace the filter and fill the syringe with
approxiamtely 50 mL of deionized water. Filter the water
into the storage conatiner and save this turbidity-free
water.
6. Repeat Step 5 until the desired amount of turbidity-free
water has been collected.
ANALYSIS & CALIBRATION 23