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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

Oznaka:prEN 13040-1

Odbor:HZN/TO 134

Ime odbora:Gnojiva i poboljšivači tla

Nacrt objavljen za komentiranje:2025-11-11

Rok za komentiranje:2025-12-01

Broj komentara:0

Contact email:nacrti(at)hzn.hr

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Područje primjene nacrta:

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.

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