Soil improvers and growing media - Sample preparation - Part 1: Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory bulk density

Comment end date 2025-12-16

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Project stage codes

1. Decision on WI Proposal

2. Projektas

3. Viešoji apklausa

From 2025-10-17 till 2025-12-16

4. Closure of enquiry

5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

65.080 - Fertilizers

Technical Committee

TK 57 Fertilizers

ForeignTC'S

CEN/TC 223

Number of comments

Comment start date

2025-10-17

Scope

This document specifies a routine method for preparing a sample of organic soil improver, inorganic soil improver, growing medium, compost or digestate prior to chemical analysis and physical testing. The procedures described herein apply only to those samples that are supplied to a laboratory in the form in which they will be used for their intended purpose and to samples with a manufacturer’s guidance for reconstitution. NOTE 1 The determination of the laboratory bulk density is given in Annex A. NOTE 2 The results of an interlaboratory trial to determine moisture content are given in Annex B. NOTE 3 The results of an interlaboratory trial to determine laboratory bulk density are given in Annex B.

Relations

Pakeis

prEN 13040-1