User Guide

61
FLUORIDEFLUORIDE
FLUORIDEFLUORIDE
FLUORIDE
Fluoride
SPECIFICATIONS
Range 0.00 to 2.00 mg/L
Resolution 0.01 mg/L
Accuracy ±5% of reading
Typical EMC ±0.01 mg/L
Deviation
Light Source Tungsten lamp 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. The reaction between
fluoride and the liquid reagent causes a red tint
in the sample.
REQUIRED REAGENT
Code Description Quantity
HI 93729-0 SPADNS Reagent 4 mL
REAGENT SETS
HI 93729-01 Reagents for 100 tests
HI 93729-03 Reagents for 300 tests
For other accessories see page 141.
MEASUREMENT PROCEDURE
Select the program number corresponding to Fluoride on the
secondary LCD by pressing PROGRAM W and V.
Add 2 mL of HI 93729 SPADNS
reagent to two cuvets.
Fill one of the cuvets with distilled water
(up to the mark), replace the cap and
invert several times to mix.
Fill the other cuvet with sample (up to
the mark), replace the cap and invert
several times to mix.
10 ml
10 ml
# 1
# 2
2 ml