Release 08/2014 - Spectroquant
®
Multy
Measuring range: 0.08 – 2.00 mg/l F
24-mm cell
Fluoride
100822
Test
Add to each cell 2.0 ml of
F-1 with pipette, close
with the screw cap, and
mix.
Select method 2 2 3 .
Reaction time:
1 minute
Press Enter to start
the countdown.
Check the pH of the
sample, specified range:
pH 1 – 10.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) ready-for-use fluoride stan-
dard solution Certipur
®
, Cat.No. 119814, concentration
1000 mg/l F
–
, can be used after diluting accordingly.
Pipette 10 ml of the
sample into a 24-mm
cell.
Pipette 10 ml of distilled
water (Water for analysis
EMSURE
®
, Cat.No.
116754, is recommen-
ded) into a second
24-mm cell.
(Blank cell)
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
