PREN 16318 : DRAFT 2013
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 TRACE ELEMENTS - DETERMINATION OF CHROMIUM (6) BY PHOTOMETRY (METHOD A) AND BY ION CHROMATOGRAPHY WITH SPECTROPHOTOMETRIC DETECTION (METHOD B)
01-10-2013
10-04-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Sampling and sample preparation
5 Method A: Determination by water extraction and
spectrophotometric detection
6 Method B: Determination by alkaline digestion and
ion chromatography with spectrophotometric detection
7 Precision
8 Test report
Annex A (informative) - Results of the inter-laboratory test
performed by VDLUFA on method A
Bibliography
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