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Abstract <p>A technique for determining ammonium as an indophenolic dye in soil samples by digital colorimetry using consumer optical means of obtaining raster images is proposed. The developed approach is based on photometric methods for determining ammonium after extraction from soil with potassium chloride. This technique ensures accuracy and provides sensitive digital colorimetric techniques close to spectrophotometric ones. The adequacy of the proposed approach is confirmed by analyzing the standard samples and soil samples collected in the districts of Moscow region.</p>

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Colorimetric Determination of Ammonium in Soil Samples

  • 期刊论文

  • 发表日期：

    2025年6月16日

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  • A. V. Garmay,
  • K. V. Oskolok,
  • O. V. Monogarova,
  • S. N. Chichulin

摘要

Abstract

A technique for determining ammonium as an indophenolic dye in soil samples by digital colorimetry using consumer optical means of obtaining raster images is proposed. The developed approach is based on photometric methods for determining ammonium after extraction from soil with potassium chloride. This technique ensures accuracy and provides sensitive digital colorimetric techniques close to spectrophotometric ones. The adequacy of the proposed approach is confirmed by analyzing the standard samples and soil samples collected in the districts of Moscow region.