Lovibond MD 110 - Page 38

Hardness Calcium (B) T / M191
ENMethod Reference Book1.0 39
EN
Analyses
The following table identifies the output values can be converted into other citation
forms.
Unit Cite form Scale Factor
mg/l CaCO
3
1
°dH 0.056
°eH 0.07
°fH 0.1
°aH 1
Chemical Method
Murexide
Appendix
Interferences
Persistant Interferences
1. Silver, mercury, cadmium, cobalt and copper interfere with the test result.
Interference from / [mg/l]
Mg
2+
200 (CaCO
3
)
Fe 10
Zn
2+
5
Bibliography
Photometrische Analyse, Lange/ Vjedelek, Verlag Chemie 1980