PREN 15937 : DRAFT 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SOIL, SLUDGE, AND TREATED BIOWASTE - DETERMINATION OF SPECIFIC ELECTRICAL CONDUCTIVITY
01-05-2013
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences and sources of errors
6 Reagents
7 Apparatus
8 Sampling and sample pre-treatment
9 Procedure
9.1 Extraction
9.2 Calibration by checking the cell constant
9.3 Measurement of the specific electrical
conductivity of the filtrates
9.4 Blank determination
9.5 Quality Assurance of the overall procedure
10 Expression of results
11 Precision data
12 Test report
Annex A (informative) - Repeatability and reproducibility data
A.1 Materials used in the interlaboratory comparison study
A.2 Interlaboratory comparison results
A.3 Repeatability and reproducibility limits
Bibliography
Defines an instrumental method for routine determinations of specific electrical conductivity in aqueous extracts of sludge (fresh), treated biowaste (fresh) or soil (fresh or air-dry).
| Committee |
SS S99
|
| DocumentType |
Draft
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| Standards | Relationship |
| 09/30199771 DC : 0 | Identical |
| NEN EN 15937 : DRAFT 2010 | Identical |
| DIN EN 15937:2010-12 (Draft) | Identical |
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