Tintometer Lovibond MD 100 Manuel page 8

Analyses
The following table identifies the output values can be converted into other citation
forms.
Unit
mg/l
mg/l
Chemical Method
Metallphthaleine
Appendix
Interferences
Removeable Interferences
1. Interference from zinc and magnesium can be eliminated by the addition of 8-
hydroxychinoline.
2. Concentrations of strontium and barium that occur in waters and soils do not
interfere.
Method Validation
Limit of Detection
Limit of Quantification
End of Measuring Range
Sensitivity
Confidence Intervall
Standard Deviation
Variation Coefficient
Bibliography
Photometrische Analyseverfahren, Schwedt, Wissenschaftliche Verlagsgesellschaft
mbH, Stuttgart 1989
EN Method Reference Book 1.0
Cite form
CaCO
3
°dH
°eH
°fH
°aH
Ca
0.88 mg/L
2.64 mg/L
50 mg/L
42.5 mg/L / Abs
2.62 mg/L
1.08 mg/L
4.17 %
Hardness total T / M200
Scale Factor
1
0.056
0.07
0.1
1
0.40043
EN
9