88
8.24. FLUORIDE HIGH RANGE
SPECIFICATIONS
Range
0.0 to 20.0 mg/L (as F
‑
)
Resolution
0.1 mg/L
Accuracy
±0.5 mg/L ±3% of reading at 25 °C
Light Source
LED with narrow band interference filter @ 575 nm
Method
Adaptation of the Standard Methods for the Examination of Water and
Wastewater,
18
th
edition, SPADNS method.
REQUIRED REAGENT
Code
Description Quantity
HI93739A‑0
Fluoride High Range Reagent A
2 mL
HI93739B‑0
Fluoride High Range Reagent B
8 mL
REAGENT SETS
HI93739‑01
Reagents for 100 tests
HI93739‑03
Reagents for 300 tests
For other accessories see page 200.
MEASUREMENT PROCEDURE
• Select the
Fluoride HR
method using the procedure
described in the Method Selection section
(see page 18).
• Add 2.00 mL of
HI93739A‑0
Fluoride High Range
Reagent A to the cuvette and use the pipette to fill
up the cuvette to the 10 mL mark with
HI93739B‑0
Fluoride High Range Reagent B.
• Replace the cap and invert several times to mix.
• Place the cuvette into the holder and close the lid.
FLUORIDE HIGH RANGE
2 mL
10 mL