Millipore Spectroquant Multy Operating Manual page 142

Measuring range: 0.5 – 15.0 mg/l NO
2.2 – 66.4 mg/l NO
Select method 3 2 0 . Add 1 level yellow micro-
spoon each of NO
into two reaction cells,
close with the screw cap.
Reaction time: Insert the blank cell into
10 minutes the cell compartment.
Press Enter to start Align the mark on the
the countdown. cell with that on the pho-
tometer. Press Zero .
Release 08/2014 - Spectroquant
Nitrate
-N 16-mm cell
3
16-mm cell
3
Shake both cells vigor-
-1K ously for 1 minute to
3
dissolve the solid sub-
stance.
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
®
Multy
Add to one cell very
slowly 1.5 ml of the
sample with pipette,
close with the screw
cap, and mix briefly.
Caution, cell becomes
very hot!
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) we recommended to use
®
Spectroquant CombiCheck 20, Cat.No. 114675, or the
Standard solution for photometric applications, CRM, Cat.
No. 125037.
Ready-for-use nitrate standard solution Certipur
Cat.No. 119811, concentration 1000 mg/l NO
be used after diluting accordingly.
To check for sample-dependent effects the use of addition
solutions (e.g. in CombiCheck 20) is highly recommended.
114542
Cell Test
Add to the second cell
very slowly 1.5 ml of
distilled water with pi-
pette, close with the
screw cap, and mix
briefly.
Caution, cell becomes
very hot!
(Blank cell)
®
,
–
, can also
3