10.
Cover the sample cell
with the instrument cap.
Fluoride, Pipet Method,
11.
Press
READ/ENTER
The display will show
"- - - -", followed by results
–
in mg/L fluoride (F
1—21
.
Note:
shows a flashing 2.20 (over
range), dilute the sample
with an equal volume of
).
water and repeat the test.
Multiply the result by 2.
continued
If the instrument