Determine soil pH

Calcium Carbonate Content Measurement Made Easy

The calcium carbonate content of soil serves as a vital indicator of soil acidity (pH), which significantly influences soil quality and fertility. To accurately assess the calcium carbonate content, Empire United Ltd. provides a specialized calcimeter that adheres to the Scheibler method. Developed in collaboration with esteemed Dutch research institutes, this calcimeter complies with the standards of NEN 5757 and DIN 19682 and 19684.

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Calcimeter Advantages

  • Rapid results for efficient analysis
  • Capable of working in batches with 5 flasks
  • Accurate measurements facilitated by the Scheibler method

Understanding the Scheibler Method

The Scheibler method is employed for determining carbonate content using a volumetric approach. By introducing hydrochloric acid to the soil sample, carbonates are converted into CO2. As the CO2 pressure is released, it displaces water within a de-aerated burette, leading to a rise in water level. This elevation serves as an indicator of the amount of CO2 released, enabling calculation of the carbonate content. The result is presented as an equivalent calcium carbonate content.

Compared to alternative methods like the Wesemael and Anderson methods, the Scheibler method offers distinct benefits:

  • No necessity for oven drying of silica gel
  • Elimination of additional chemicals
  • Shorter waiting periods
  • Less demand for precise weighing equipment
  • Reduced susceptibility of glass components
  • Simplified content determination through the volumetric approach