PREN 13368-2 : DRAFT 2016
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 CHELATING AGENTS IN FERTILIZERS BY CHROMATOGRAPHY - PART 2: DETERMINATION OF FE CHELATED BY [O,O] EDDHA, [O,O] EDDHMA AND HBED, OR THE AMOUNT OF CHELATING AGENTS, BY ION PAIR CHROMATOGRAPHY
12-01-2013
01-11-2017
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences
6 Reagents
7 Apparatus
8 Sampling and sample preparation
9 Procedure
10 Expression of the results (Fe in Fe-chelates)
11 Precision
12 Test report
Annex A (informative) - Statistical results of the
inter-laboratory tests
Annex B (informative) - General procedure for the
determination of the titrimetric purity of
the chelating agents using a photometric automatic titrator
Annex C (informative) - Complete names of chelating agents
Bibliography
Describes a method for the chromatographic determination of the iron chelated by each individual ortho(hydroxy)-ortho(hydroxy) isomer of the chelating agents [o,o] EDDHA, [o,o] EDDHMA and by HBED in fertilizers containing one or more of these substances, except for [o,o] EDDHMA and HBED mixes.
| Committee |
TC 260
|
| DocumentType |
Draft
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| Standards | Relationship |
| 16/30340656 DC : 0 | Identical |
| 05/30136174 DC : DRAFT JULY 2005 | Identical |
| 11/30238479 DC : 0 | Identical |