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BS EN 16197:2012

Current
Current

The latest, up-to-date edition.

Fertilizers. Determination of magnesium by atomic absorption spectrometry
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-31-2012

Publisher

British Standards Institution

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

Describes a method for the determination of the magnesium content in fertilizer extracts using atomic absorption spectrometry (AAS).

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. NOTE Method 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
CII/37
DevelopmentNote
Supersedes DD CEN/TS 16197 & 12/30259717 DC. (12/2012)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 16197:2012 Identical

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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Hardcopy - English
PDF - English
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