Iron (DTPA Extract)


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This is a soil fertility test. The DTPA micronutrient extraction method is an extraction for estimating the potential soil bioavailability Fe. Analyte concentrations are determined by atomic absorption spectrometry (AAS) or Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES). The method detection limit is approximately 0.1 mg kg-1 and is generally reproducible ± 15%.


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