CEN/TS 16197:2011
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Fertilizers - Determination of magnesium by atomic absorption spectrometry
11-03-2023
01-06-2011
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 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.NOTEMethod 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 |
CEN/TC 260
|
| DocumentType |
Technical Specification
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| S.R. CEN/TS 16197:2011 | Identical |
| DD CEN/TS 16197:2011 | Identical |
| UNI CEN/TS 16197 : 2011 | Identical |
| XP CEN/TS 16197 : 2011 XP | Identical |
| NEN NPR CEN/TS 16197 : 2011 | Identical |
| DIN CEN/TS 16197;DIN SPEC 91273:2011-08 | Identical |
| DIN SPEC 91273 : 2011 | Identical |
| 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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