Plant biostimulants - Determination of dry matter

This document specifies the procedure for the determination and calculation of the dry matter fraction of plant biostimulants for which the results of performed analysis are to be calculated to the dry matter basis.
This document is also applicable to the blends of fertilizing products where plant biostimulants are the main part of the blend. Otherwise, the Technical Specification for the main part of the blend applies.

Pflanzen-Biostimulanzien - Bestimmung der Trockenmasse

Dieses Dokument legt das Verfahren zur Bestimmung und Berechnung des Trockenmassenanteils von Pflanzen-Biostimulanzien fest, für die die Ergebnisse der durchgeführten Analyse bezogen auf die Trockenmasse zu berechnen sind.
Dieses Dokument ist auch anzuwenden für die Mischungen von Düngeprodukten, in denen die Pflanzen-Biostimulanzien der Hauptbestandteil der Mischung sind. Andernfalls ist die Technische Spezifikation für den Hauptbestandteil der Mischung anzuwenden.

Biostimulants des végétaux - Détermination de la matière sèche

Le présent document spécifie le mode opératoire pour la détermination et le calcul de la fraction de matière sèche de biostimulants des végétaux pour lesquels les résultats des analyses menées doivent être calculés sur la base de la matière sèche.
Le présent document est également applicable aux mélanges d’engrais dont la majeure partie est constituée de biostimulants des végétaux. Dans le cas contraire, la Spécification Technique relative au constituant principal du mélange s’applique.

Rastlinski biostimulanti - Določevanje suhe snovi

Ta dokument določa postopek za določevanje deleža suhe snovi v rastlinskih stimulantih, za katere se rezultati izvedene analize izračunajo na podlagi suhe snovi.
Dokument je uporaben tudi za mešanice sredstev za gnojenje, pri katerih so rastlinski biostimulanti glavni del mešanice. V nasprotnem primeru se uporablja tehnična specifikacija za glavni del mešanice.

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Standards Content (Sample)

SIST-TS CEN/TS 17704:2023
Rastlinski biostimulanti - Določevanje suhe snovi
Plant biostimulants - Determination of dry matter
Pflanzen-Biostimulanzien - Bestimmung der Trockenmasse
Biostimulants des végétaux - Détermination de la matière sèche
Ta slovenski standard je istoveten z: CEN/TS 17704:2022
65.080 Gnojila Fertilizers
SIST-TS CEN/TS 17704:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CEN/TS 17704:2023

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SIST-TS CEN/TS 17704:2023

CEN/TS 17704


March 2022
ICS 07.080
English Version

Plant biostimulants - Determination of dry matter
Biostimulants des végétaux - Détermination de la Biostimulanzien für die pflanzliche Anwendung -
matière sèche Bestimmung der Trockenmasse
This Technical Specification (CEN/TS) was approved by CEN on 3 January 2022 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to
submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS
available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in
parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.

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, Turkey and
United Kingdom.



CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 17704:2022 E
worldwide for CEN national Members.

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SIST-TS CEN/TS 17704:2023
CEN/TS 17704:2022 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Principle . 5
5 Sampling and sample preparation . 5
6 Interferences . 5
7 Reagents . 5
8 Apparatus . 6
9 Procedure . 6
9.1 Procedure A . 6
9.2 Procedure B . 6
9.3 Procedure A and B . 7
10 Quality control . 7
11 Calculation and expressi

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