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CEN
EN 16197:2012

EN 16197:2012

Current

Current

The latest, up-to-date edition.

Fertilizers - Determination of magnesium by atomic absorption spectrometry

Published date

11-14-2012

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling
6 Reagents
7 Apparatus
8 Preparation of the extraction solution
9 Procedure
10 Calculation and expression of the result
11 Precision
12 Test report
Annex A (informative) Statistical results of
        the inter-laboratory test
Bibliography

This European Standard specifies a method for the determination of the magnesium content in fertilizer extracts using atomic absorption spectrometry (AAS).This method is applicable to EC fertilizer extracts obtained according to EN 15960 and EN 15961, for which a declaration of the total magnesium and/or water soluble magnesium content is required, with the exceptions of the following fertilizers according to [4], Annex I D relating to secondary nutrients:- type 4 (kieserite);- type 5 (magnesium sulfate) and type 5.1 (magnesium sulfate solution);- type 7 (kieserite with potassium sulfate)to which [4], method 8.8, applies.NOTEMethod 8.8 is covered by CEN/TS 16198 [2]. The method applies to all fertilizer extracts containing elements in quantities that might interfere with the complexometric determination of magnesium.

Committee
CEN/TC 260
DevelopmentNote
Supersedes CEN/TS 16197 & PREN 16197. (12/2012)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

Standards Relationship
UNI EN 16197 : 2013 Identical
NF EN 16197 : 2013 Identical
PN EN 16197 : 2013 Identical
NBN EN 16197 : 2013 Identical
NEN EN 16197 : 2012 Identical
DIN EN 16197 E : 2013 Identical
DIN EN 16197:2013-01 Identical
NS EN 16197 : 2012 Identical
SN EN 16197:2013 Identical
BS EN 16197:2012 Identical
I.S. EN 16197:2012 Identical
UNE-EN 16197:2013 Identical

S.R. CEN/TS 16490:2013 FERTILIZERS - COMPARISON OF THE CEN/TC 260/WG 7 RING TEST RESULTS WITH TOLERANCES GIVEN IN THE REGULATION (EC) NR 2003/2003 ANNEX 2 AND CONCLUSIONS
CEN/TS 16490:2013 Fertilizers - Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions
UNE-CEN/TS 16490:2016 Fertilizers - Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions
PD CEN/TS 16490:2013 Fertilizers. Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions
UNI CEN/TS 16490 : 2013 FERTILIZERS - COMPARISON OF THE CEN/TC 260/WG 7 RING TEST RESULTS WITH TOLERANCES GIVEN IN THE REGULATION (EC) NR 2003/2003 ANNEX 2 AND CONCLUSIONS

EN 12944-2:1999/AC:2000 FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 2: TERMS RELATING TO FERTILIZERS
EN 12944-1:1999/AC:2000 FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 1: GENERAL TERMS
EN 1482-2:2007 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
EN 15960:2011 Fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
EN 15961:2017 Fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates
EN 1482-1:2007 Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling
PREN 16198 : DRAFT 2012 FERTILIZERS - DETERMINATION OF MAGNESIUM BY COMPLEXOMETRY

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