Spectroquant Pharo 300 - Page 345

114764
Cell Test
Nitrate
Place the cell into the
cell compartment. Align
the mark on the cell with
that on the photometer.
Pipette 0.50 ml of the
sample into a reaction
cell, do not mix.
Add 1.0 ml of NO
3
-1K
with pipette
, close the
cell with the screw cap,
and mix. Caution, cell
becomes hot!
Reaction time:
10 minutes
Measuring 1.0 – 50.0 mg/l NO
3
-N
range: 4 – 221 mg/l NO
3
Expression of results also possible in mmol/l.
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 80, Cat.No. 114738, or the
Standard solution for photometric applications, CRM,
Cat.No. 125037, 125038, and 125039.
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 80) is highly recommended.