Chemical Method
Turbidity / Attenuated Radiation Method
Appendix
Interferences
Persistant Interferences
• Colour interferes if light is absorbed at 660 nm.
Removeable Interferences
• Air bubbles interfere and can be removed by swirling the vial gently.
Method Validation
Limit of Detection
Limit of Quantification
End of Measuring Range
Sensitivity
Confidence Intervall
Standard Deviation
Variation Coefficient
Derived from
EN 872:2005
EN Method Reference Book 1.0
Suspended solids 24 / M384
10 mg/L
30 mg/L
750 mg/L
550 mg/L / Abs
4.24 mg/L
1.79 mg/L
0.47 %
EN
9