Millipore Spectroquant Multy Operating Manual page 65

Measuring range: 10 – 250 mg/l Ca
14 – 350 mg/l CaO
25 – 625 mg/l CaCO
Check the pH of the Select method 1 1 0 .
sample, specified range:
pH 3 – 9.
If required, add dilute
sodium hydroxide
solution or hydrochloric
acid drop by drop to
adjust the pH.
Reaction time: Add to each cell 0.50 ml
exactly 3 minutes of Ca-2K with pipette,
Press Enter to start close with the screw
the countdown. cap, and mix.
Release 08/2014 - Spectroquant
Calcium
16-mm cell
16-mm cell
16-mm cell
3
Pipette 1.0 ml of the
sample into a reaction
cell, close with the screw
cap, and mix.
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
®
Multy
Pipette 1.0 ml of distilled
water into a second re-
action cell, close with the
screw cap, and mix.
(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 .
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) a freshly prepared standard
solution can be used (see section "Standard solutions").
100858
Cell Test
Add to each cell 1.0 ml
of Ca-1K with pipette,
close with the screw
cap, and mix.