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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.080 Soil quality. Pedology>13.080.99 Other standards related to soil quality>21/30437192 DC BS EN 17685-1. Earthworks. Chemical tests Part 1. Determination of organic matter content by loss on ignition
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21/30437192 DC BS EN 17685-1. Earthworks. Chemical tests Part 1. Determination of organic matter content by loss on ignition

21/30437192 DC

BS EN 17685-1. Earthworks. Chemical tests Part 1. Determination of organic matter content by loss on ignition

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Standard number:21/30437192 DC
Pages:14
Released:2021-07-01
Status:Draft for Comment
DESCRIPTION

21/30437192 DC


This standard 21/30437192 DC BS EN 17685-1. Earthworks. Chemical tests is classified in these ICS categories:
  • 13.080.99 Other standards related to soil quality
  • 93.020 Earthworks. Excavations. Foundation construction. Underground works

This document describes a method for the determination of the loss on ignition (wLOI) of fine, intermediate, composite and coarse soils, organic soils and anthropogenic materials (according to
EN 16907‑2 ) after ignition under air at 550°C.

The loss of mass suffered by these materials at 550 °C is usually due to the release of volatile compounds, water (absorbed, crystalized or structural) and gases from decomposition of organic matter and inorganic substances such as sulfur, sulphides or hydroxides (e.g. H2O, CO2, SO2).

A method is given in Annex B in order to estimate the organic matter content (COM) from the value of wLOI for clayed soils.