EN 15935:2012

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences and sources of errors
6 Apparatus
7 Procedure
8 Calculation and expression of results
9 Precision
10 Test report
Annex A (informative) - Repeatability and
        reproducibility data
Bibliography

This European Standard specifies a method for the determination of the loss on ignition (LOI) of dry matter at 550 °C. The dry matter is determined according to EN 15934.This method applies to the determination of loss on ignition of sludge, treated biowaste, soil and waste. The LOI of sediments can also be determined with this method.NOTEThe loss on ignition is often used as an estimate for the content of organic matter in the sample. It should be noted that inorganic substances or decomposition products (e.g. H2O, CO2, SO2, O2) are released or absorbed and some inorganic substances are volatile under the reaction conditions.