Soil quality. Extraction of trace elements from soil using ammonium nitrate solution

Soil quality. Extraction of trace elements from soil using ammonium nitrate solution

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BS ISO 19730:2008 Soil quality. Extraction of trace elements from soil using ammonium nitrate solution

BS ISO 19730 specifies a method of extracting trace elements from soil using a 1 mol/l NH4NO3

Solution.

In conjunction with extraction methods for determining the reserves of elements in soil (e.g. extraction with aqua regia), the proportions by mass determined by extraction with ammonium nitrate solution can serve as a basis for site investigations and for making recommendations with regard to use and restoration of soil containing critical concentrations of elements.

Contents of BS ISO 19730:

  • Foreword
  • Introduction
  • Scope
  • Normative references
  • Principle
  • Reagents
  • Apparatus
  • Procedure
  • Sample preparation
  • Determining water content
  • Extraction
  • Phase separation
  • Stabilization of extract
  • Blank test
  • Calculation
  • Expression of results
  • Test report
  • Information on method of determining selected elements and treatment of particular types of soil
  • Precision
  • Notes on homogenization, initial sample mass and extraction
  • Bibliography