Spectroquant Pharo 300 - Page 343

Add 1 level yellow micro-
spoon of NO
3
-1K into a
reaction cell and close
with the screw cap.
114542
Cell Test
Measuring 0.5 – 18.0 mg/l NO
3
-N
range: 2.2 – 79.7 mg/l NO
3
Expression of results also possible in mmol/l.
Nitrate
Place the cell into the
cell compartment. Align
the mark on the cell with
that on the photometer.
Reaction time:
10 minutes
Shake the cell vigor-
ously for 1 minute to
dissolve the solid sub-
stance.
Add very slowly 1.5 ml
of the sample with pi-
pette, close the cell with
the screw cap, and mix
briefly.
Caution, cell becomes
hot!
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) w
e recommended to use
Spectroquant
®
CombiCheck 20, Cat.No. 114675, or the
Standard solution for photometric applications, CRM, Cat.
No. 125037 and 125038.
Ready-for-use nitrate standard solution Certipur
®
,
Cat.No. 119811, concentration 1000 mg/l NO
3
–
, can also
be used after diluting accordingly.
To check for sample-dependent effects the use of addition
solutions (e.g. in CombiCheck 20) is highly recommended.