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DD CEN/TS 16197:2011

DD CEN/TS 16197:2011

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Fertilizers. Determination of magnesium by atomic absorption spectrometry

Available format(s)

Hardcopy , PDF

Superseded date

12-31-2012

Language(s)

English

Published date

06-30-2011

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 Technical Specification 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 CEN/TS 15960 and CEN/TS 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 (see Bibliography).

The method applies to all fertilizer extracts containing elements in quantities that might interfere with the complexometric determination of magnesium.

Committee
CII/37
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
CEN/TS 16197:2011 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
CEN/TS 15960:2009 Fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
CEN/TS 16198:2011 Fertilizers - Determination of magnesium by complexometry
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
CEN/TS 15961:2009 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

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Hardcopy - English
PDF - English
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