UNI EN ISO 12782-4 : 2012
Current
The latest, up-to-date edition.
SOIL QUALITY - PARAMETERS FOR GEOCHEMICAL MODELLING OF LEACHING AND SPECIATION OF CONSTITUENTS IN SOILS AND MATERIALS - PART 4: EXTRACTION OF HUMIC SUBSTANCES FROM SOLID SAMPLES
02-08-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Reagents
7 Sample pretreatment
8 Procedure
9 Eluate treatment and storage
10 Analytical determination
11 Blank test
12 Calculation
13 Expression of results
14 Test report
15 Performance characteristics
Annex A (informative) - Schematic representation
of the fractionation procedure
Annex B (informative) - Validation of procedure
Annex C (informative) - Conditions regarding
centrifugation
Bibliography
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