oSIST prEN 13040-1:2025

SLOVENSKI STANDARD
01-december-2025
Izboljševalci tal in rastni substrati - Priprava vzorcev - 1. del: Priprava vzorcev za
kemijske in fizikalne preskuse, določanje suhe snovi, vlage in laboratorijsko
stisnjene prostorninske gostote
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
Bodenverbesserungsmittel und Kultursubstrate - Probenvorbereitung - Teil 1:
Probenvorbereitung für chemische und physikalische Untersuchungen, Bestimmung des
Trockensubstanzgehalts, des Feuchtigkeitsgehalts und der Laborschüttdichte
Amendements du sol et supports de culture - Préparation des échantillons - Partie 1 :
Préparation des échantillons pour les essais chimiques et physiques, détermination de la
teneur en matière sèche, du taux d’humidité et de la masse volumique apparente en
laboratoire
Ta slovenski standard je istoveten z: prEN 13040-1
ICS:
65.080 Gnojila Fertilizers
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2025
ICS 65.080 Will supersede EN 13040:2007
English Version
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
Amendements du sol et supports de culture - Bodenverbesserungsmittel und Kultursubstrate -
Préparation des échantillons - Partie 1 : Préparation Probenvorbereitung - Teil 1: Probenvorbereitung für
des échantillons pour les essais chimiques et chemische und physikalische Untersuchungen,
physiques, détermination de la teneur en matière Bestimmung des Trockensubstanzgehalts, des
sèche, du taux d'humidité et de la masse volumique Feuchtigkeitsgehalts und der Laborschüttdichte
apparente en laboratoire
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 223.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 13040-1:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Principle . 6
5 Sampling . 6
6 Sample reception . 6
7 Transportation and storage of samples . 6
8 Classification of samples as a function of matrix . 7
9 Preparation of the un-dried laboratory sample . 7
9.1 Apparatus . 7
9.2 Test sample in solid form . 7
9.2.1 Sample preparation (unsieved test sample) . 7
9.2.2 Determination of material exceeding 40 mm . 8
9.2.3 Test sample passing through a 40 mm square aperture sieve . 8
9.2.4 Test sample passing through a 25 mm square aperture sieve . 9
9.2.5 Test sample passing through a 20 mm square aperture sieve . 9
9.3 Test sample in shear resistant pasty form. 9
9.4 Test sample in liquid and aqueous pasty form . 9
9.5 Test sample in pre-shaped form . 9
9.5.1 Sample preparation for bulk density determination . 9
9.5.2 Sample preparation for dry matter content determination . 9
9.5.3 Sample preparation for chemical analyses . 10
10 Preparation of the dried ground (or otherwise size reduced) test sample . 10
10.1 Apparatus . 10
10.2 Procedure . 10
11 Determination of dry matter content . 11
11.1 Apparatus . 11
11.2 Procedure . 12
11.2.1 Solid and shear resistant pasty materials . 12
11.2.2 Liquid and aqueous pasty materials . 12
11.2.3 Pre-shaped materials . 12
11.2.4 Dried ground test samples (for residual moisture content determination) . 12
11.3 Calculation . 12
11.3.1 Dry matter content . 12
11.3.2 Moisture content . 13
12 Test report . 13
13 Validation of the method . 13
13.1 Validation in accordance with ISO 5725-2. 13
13.2 Performance characteristics. 13
Annex A (normative) Determination of laboratory bulk density . 14
Annex B (informative) Performance characteristics of the method . 19
Bibliography . 22
European foreword
This document (prEN 13040-1:2025) has been prepared by Technical Committee CEN/TC 223 “Soil
improvers and growing media”, the secretariat of which is held by NEN.
This document is currently submitted to CEN Enquiry.
This document will supersede EN 13040:2007.
— The title has been changed;
— Clause 7 (Transportation and storage of samples) has been completed;
— Clause 8 (Classification of samples as function of matrix) has been introduced;
— In Clause 9 (Preparation of the un-dried laboratory sample) new types of test samples have been
added;
— Clause 10 (Preparation of the dried ground (or otherwise size reduced) test samples) has been
updated;
— In Clause 11 (Determination of dry matter content) new types of test samples included the dried
ground sample for the residual moisture content determination, have been added;
— Annex A has been completed considering different procedures to determine laboratory bulk density
depending on the classification of samples as function of matrix (Clause 8);
— Formula (A.1) and A.2 have been modified.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
1 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.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
CEN/TS 17732:2022, Soil improvers and growing media — Terminology
EN 12579:2024, Soil improvers and growing media — Sampling
EN 12580:2022, Soil improvers and growing media — Determination of a quantity
prEN 15761:2022, Pre-shaped growing media — Determination of the dimensions measured and bulk
density
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 12579:2024,
CEN/TS 17732:2022 and the following apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
3.1
test sample
sample prepared from the laboratory sample and from which test portions will be taken
3.2
test portion
quantity of material drawn from the test sample (or from the laboratory sample if both are the same) and
on which the tests or observations are actually carried out
3.3
laboratory compacted bulk density
density, expressed in grams per litre of the material as determined in the laboratory using a cylinder of
known volume; the sample being compacted under defined conditions
4 Principle
The laboratory sample is coded and sub-divided to prepare the test sample in such a manner as to be
representative of the sample as submitted to the laboratory. Dry matter and humidity content are
determined by oven drying and laboratory bulk density is determined by weighting a known volume of
the material.
5 Sampling
Sampling is not part of the method specified in this document. Follow EN 12579:2024 dealing with soil
improvers and growing media. It is important that the laboratory receives a sample that is representative
of the product under consideration. The sample should not have been damaged or changed during
transport or storage.
6 Sample reception
Upon receipt of the laboratory s
...