SIST-TS CEN/TS 17759:2023

SLOVENSKI STANDARD
01-februar-2023
Anorganska gnojila - Določanje pH-vrednosti raztopine gnojil iz amonijevega
nitrata z veliko vsebnostjo dušika
Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of
high nitrogen content
Anorganische Düngemittel - Bestimmung des pH-Wertes in einer Lösung mit
Ammoniumnitratdüngemitteln mit hohem Stickstoffgehalt
Engrais inorganiques - Détermination du pH d'une solution d'engrais à base de nitrate
d'ammonium à forte teneur en azote
Ta slovenski standard je istoveten z: CEN/TS 17759:2022
ICS:
65.080 Gnojila Fertilizers
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TS 17759
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
April 2022
TECHNISCHE SPEZIFIKATION
ICS 65.080
English Version
Inorganic fertilizers - Determination of pH of a solution of
ammonium nitrate fertilizers of high nitrogen content
Engrais inorganiques - Détermination du pH d'une Anorganische Düngemittel - Bestimmung des pH-
solution d'engrais à base de nitrate d'ammonium à Wertes in einer Lösung mit
forte teneur en azote Ammoniumnitratdüngemitteln mit hohem
Stickstoffgehalt
This Technical Specification (CEN/TS) was approved by CEN on 13 March 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

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 17759:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Principle . 4
5 Reagents . 4
6 Apparatus and equipment . 5
7 Sampling and sample preparation . 5
8 Procedure . 5
8.1 Calibration of the pH meter . 5
8.2 Determination . 5
9 Expression of the results . 5
10 Test report . 5
Bibliography . 6

European foreword
This document (CEN/TS 17759:2022) has been prepared by Technical Committee CEN/TC 260
“Fertilizers and liming materials” the secretariat of which is held by DIN.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a Stand
...