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CEN/TR 14539:2021

Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention)

General information

Valid from 15.06.2021
Base Documents
CEN/TR 14539:2021
ICS Groups
65.080 Fertilizers
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.06.2021
Main
CEN/TR 14539:2021
04.11.2005
Main
CR 14539:2002
This document gives the results of inter-laboratory testing to compare the accuracy and convenience of the official EC method for porosity measurement (given in Annex B) with two non-standardized alternative methods (given in Annexes C and D) already used in some participating laboratories. Three products, with a porosity between 1 % and 7 %, have been used in the inter-laboratory trials.

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English (PDF 225 KB)

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English