ISO 16751:2020

Status : Published

	Format	Language
std 1 129	PDF + ePub
std 2 129	Paper

CHF129

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Abstract

This document specifies an extraction method to determine the bioavailable (potential and environmental available) fraction and the non-bioavailable fraction of a contaminant in soil using a "receiver phase" for an organic contaminant with strong sorbing or complexing properties, for example, Tenax^®[1] or cyclodextrin, respectively.

NOTE 1 The bioavailable fraction is defined in ISO 17402 as environmental bioavailability.

The method is applicable for non-polar organic contaminants with an aqueous solubility of <100 mg/l. The method is applicable for soil and soil-like material including (dredged) sediments.

NOTE 2 The method is theoretically applicable to non-polar organic contaminants with an aqueous solubility of 1 000 mg/l. The method has been often applied for compounds with a much lower solubility (K_ow > 3) and less for compounds with a higher solubility. The applicability is therefore defined for compounds with an aqueous solubility of <100 mg/l.

[1] Tenax^®is an example of a suitable product available commercially. This information is given for the convenience of users of this document and does not constitute an endorsement by ISO of this product.

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General information

Status
: Published

Publication date
: 2020-06

Stage
: International Standard published [60.60]
Edition
: 1

Number of pages
: 25
Technical Committee :
ISO/TC 190/SC 7

ICS :
13.080.30
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