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PS 3151-2026
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Soil quality — Determination of linear alkylbenzene sulfonate (LAS) — Method by HPLC with fluorescence detection (LC-FLD) and mass selective detection (LC-MSD)
Committee:
Environment
Sector:
Environment
Available Standards
Original Standard
إنجليزي (English)
25
Page
2026
International Classification for Standards (ICS)
| Code | Classification |
|---|---|
| 13.080.10 | Chemical characteristics of soils |
Adopted Standards
| Standards / Amendment / Corrigendum | |
|---|---|
| 1 | ISO/TS 13896:2012 |
Replacement Sequence
| Replaces |
|---|
| PS 3151-2015 |
Scope
This standard specifies a method for the determination of linear alkylbenzene sulfonate (LAS) in sludge, treated biowaste and soil using high-performance liquid chromatography (HPLC) with a fluorescence detector (FLD) or a mass selective detector (MSD).
This standard specifies the determination of the sum of LAS. Under the conditions specified in this standard, typically a limit of detection of 20 mg/kg (expressed as dry matter) for sludge and of 0,2 mg/kg to 0,5 mg/kg for soil and treated biowaste may be achieved.
Lower limits of detection may be achieved by concentrating the extract by solvent evaporation.
NOTE The single LAS homologues C10 to C14 can be determined by this standard.