Lovibond Tintometer MD 100 Manual De Instrucciones página 61

Chemical Method
Ferrozine / Thioglycolate
Appendix
Interferences
EN
Removeable Interferences
1. The presence of copper increases the test result by 10 %. At a concentration of 10
mg/l copper in the sample, the measurement result is increased by 1 mg/l iron.
The interference can be eliminated by the addition of thiourea
Method Validation
Limit of Detection
Limit of Quantification
End of Measuring Range
Sensitivity
Confidence Intervall
Standard Deviation
Variation Coefficient
Bibliography
Photometrische Analyse, Lange/ Vjedelek, Verlag Chemie 1980, p. 102
62
Iron T / M220
0.01 mg/l
0.016 mg/l
1 mg/l
0.92 mg/l / Abs
0.013 mg/l
0.005 mg/l
1.23 %
EN Method Reference Book 1.0