Millipore Spectroquant Multy Operating Manual page 156

Measuring range: 0,10 – 5,00 mg/l C
Check the pH of the Select method 3 7 1 .
sample, specified range:
pH 2 – 11.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Add to each cell 1 level Shake both cells vigor-
grey microspoon of ously to dissolve the
Ph-2, close with the solid substance.
screw cap, and mix.
Insert the blank cell into Insert the cell containing
the cell compartment. the sample into the cell
Align the mark on the compartment. Align the
cell with that on the pho- mark on the cell with
tometer. Press Zero . that on the photometer.
Press Test .
Release 08/2014 - Spectroquant
Phenol
H OH 24-mm cell
6 5
Pipette 10 ml of the
sample into a 24-mm
cell.
Add to each cell 1 level
grey microspoon of
Ph-3, close with the
screw cap, and mix.
®
Multy
Pipette 10 ml of distilled
water into a second
24-mm cell.
(Blank cell)
Shake both cells vigor-
ously to dissolve the
solid substance.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) a phenol standard solution
must be prepared from Phenol GR, Cat.No. 100206 (see
section "Standard solutions").
100856
Test
Add to each cell 1.0 ml
of Ph-1 with pipette,
close with the screw
cap, and mix.
Reaction time:
10 minutes
Press Enter to start
the countdown.