Lovibond MD 100 Mode D'emploi page 6

Ammonia T / M60
Analyses
The following table identifies the output values can be converted into other citation forms.
Unit
mg/l
mg/l
mg/l
Chemical Method
Indophenole Blue
Appendix
Calibration function for 3rd-party photometers
Conc. = a + b∙Abs + c∙Abs
a
b
c
d
e
f
Interferences
Persistant Interferences
• Sulphides, cyanides, rhodanide, aliphatic amine and aniline interfere in higher con-
centrations.
Bibliography
Photometrische Analyseverfahren, Schwendt, Wissenschaftliche Verlagsgesellschaft
mbH, Stuttgart 1989
According to
APHA Method 4500-NH3 F
# including stirring rod, 10 cm
5
Cite form
N
NH
4
NH
3
+ d∙Abs + e∙Abs + f∙Abs
2 3 4
ø 24 mm
-3.54512 ∙ 10
-2
6.22226 ∙ 10
-1
Scale Factor
1
1.2878
1.2158
5
□ 10 mm
-3.54512 ∙ 10
1.33779 ∙ 10
EN Method Reference Book 1.0
-2
+0