UNI CEN/TS 16490 : 2013
Current
The latest, up-to-date edition.
FERTILIZERS - COMPARISON OF THE CEN/TC 260/WG 7 RING TEST RESULTS WITH TOLERANCES GIVEN IN THE REGULATION (EC) NR 2003/2003 ANNEX 2 AND CONCLUSIONS
16-05-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Statistical method validation
5 Conclusions
Annex A (informative) - Statistical data of the
inter-laboratory tests and findings
Annex B (informative) - Refined statistical evaluation
Bibliography
Defines to what extent the presently applied tolerances are in line with the obtained precision data from the analytical methods studied.
| DocumentType |
Technical Specification
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| CEN/TS 16490:2013 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| EN 15477:2009 | Fertilizers - Determination of the water-soluble potassium content |
| EN 16197:2012 | Fertilizers - Determination of magnesium by atomic absorption spectrometry |
| EN 16198:2012 | Fertilizers - Determination of magnesium by complexometry |
| EN 15956:2011 | Fertilizers - Extraction of phosphorus soluble in mineral acids |
| EN 15750:2009 | Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods |
| EN 16199:2012 | Fertilizers - Determination of the sodium extracted by flame-emission spectrometry |
| EN 15479:2009 | Fertilizers - Spectrophotometric determination of biuret in urea |
| EN 15478:2009 | Fertilizers - Determination of total nitrogen in urea |
| EN 15926:2011 | Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms |
| EN 15925:2011 | Fertilizers - Extraction of total sulfur present in various forms |
| EN 16195:2012 | Fertilizers - Determination of chlorides in the absence of organic material |
| EN 16196:2012 | Fertilizers - Manganimetric determination of extracted calcium following precipitation in the form of oxalate |
| EN 15958:2011 | Fertilizers - Extraction of water soluble phosphorus |
| 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 15475:2009 | Fertilizers - Determination of ammoniacal nitrogen |
| ISO 5315:1984 | Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation |
| EN 15957:2011 | Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate |
| EN 15476:2009 | Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda |
| EN 15749:2009 | Fertilizers - Determination of sulfates content using three different methods |
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