Chemtest exhibiting at Pro Geo 2017

Date:          4th October 2017
Location:   The Kenn Centre Exeter Road Devon

Chemtest are proud to be presenting alongside John Grimes Partnership Ltd  on ‘Uncertainties in Arsenic Risk Assessment in South West England’.

 

This presentation will cover the following Bioaccessibility tests:

  • Physiologically Based Extraction Test (PBET) – Modified Ruby method
  • BARGE Unified Bioaccessibility Method (UBM)

 

‘The physiologically based extraction test (PBET) is an in vitro test system for predicting the bioavailability of metals from a solid matrix and incorporates gastrointestinal tract parameters representative of a human (including stomach and small intestinal pH and chemistry, soil-to-solution ratio, stomach mixing, and stomach emptying rates).’

Environ. Sci. Technol.1996, 30,422-430 Michael V. Ruby et al. http://bit.ly/2gUG7ba

 

For further information contact us.

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A number of different publications and standards cite sulphate methods. BR279 (1995) has largely been superseded by analytical procedures as detailed in TRL 447 and BRE Special Digest:1 2005 3rd Edition. In addition further reference may be made to BS EN 144-1:2009 + A1:2012 for the testing of aggregates and BS 1377:2018 for soils for civil engineering purposes.

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