Lovibond MD 100 Mode D'emploi page 25

Analyses
The following table identifies the output values can be converted into other citation
forms.
Unit
mg/l
mg/l
Chemical Method
Zinc Reduction / NED
Appendix
Calibration function for 3rd-party photometers
Conc. = a + b∙Abs + c∙Abs
a
b
c
d
e
f
Interferences
Persistant Interferences
1. Antimony (III), iron, lead, mercury (I), silver, Chloroplatinate, metavanadate, and bis-
muth create precipitation.
2. With the presence of Copper (II) there will be lower results, because it accelerates
the degradation of diazonium salts.
EN Method Reference Book 1.0
Cite form
N
NO
3
+ d∙Abs + e∙Abs + f∙Abs
2 3 4
ø 24 mm
-9.38065 ∙ 10
-3
3.20151 ∙ 10
-1
2.5446 ∙ 10
-3
Nitrate T / M260
Scale Factor
1
4.4268
5
□ 10 mm
-9.38065 ∙ 10
-3
6.88325 ∙ 10
-1
1.17624 ∙ 10
-2