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About This Item
Full Description
The method is a sequential extraction using synthetic gastrointestinal fluids and can be used to estimate oral bioaccessibility. Soils or other geological materials, in sieved form, are extracted in an environment that simulates the basic physicochemical conditions of the human gastrointestinal tract.
This document describes a method to simulate the release of metals from soil and soil materials after passage through three compartments of the human gastrointestinal tract (mouth, stomach and small intestine). It produces extracts that are representative of the concentration of potentially harmful elements in the human gastrointestinal tract for subsequent chemical characterization.
Cross References:
ISO 11074
ISO 18400-104
ISO 3696
DIN 19738
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS ISO 17924:2018 w/corrigendum
Soil quality. Assessment of human exposure from ingestion of soil and soil material. Procedure for the estimation of the human bioaccessibility/bioavailability of metals in soil- Most Recent
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BS ISO 17924:2018
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Soil quality. Assessment of human exposure from ingestion of soil and soil material. Procedure for the estimation of the human bioaccessibility/bioavailability of metals in soil- Historical Version
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BS DD ISO/TS 17924:2007
Soil quality. Assessment of human exposure from ingestion of soil and soil material. Guidance on the application and selection of physiologically based extraction methods for the estimation of the human bioaccessibility/bioavailability of metals in soil- Historical Version
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BS 05/30022953 DC
ISO 17924. Soil quality. Bioavailability of metals in contaminated soil. Physiologically based extraction method- Historical Version