ISO 16751:2020

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Publicado (Edición 1, 2020)

ISO 16751:2020

CHF 129

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Resumen

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.

Informaciones generales

Estado
: Publicado

Fecha de publicación
: 2020-06

Etapa
: Norma Internacional publicada [60.60]
Edición
: 1

Número de páginas
: 25
Comité Técnico :
ISO/TC 190/SC 7

ICS :
13.080.30
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