The Optimization and Validation of the Method for the Determination of Micronutrients in Organic Fertilizers by Inductively Coupled Plasma Optical Emission Spectrometry

Inductively coupled plasma optical emission spectrometry (ICP-OES) analytical method was optimized to determine the micronutrient concentrations from the fertilizers used as inputs in organic farming. The calibration curves showed good linearity for all elements (R2 > 0.999). Recoveries were in t...

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Veröffentlicht in:Chemistry Proceedings 2023-10, Vol.13 (1), p.10
Hauptverfasser: Luiza Capră, Rusăndica Stoica, Georgeta-Ramona Ivan, Ioana-Raluca Șuică-Bunghez, Florin Oancea
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Sprache:eng
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Zusammenfassung:Inductively coupled plasma optical emission spectrometry (ICP-OES) analytical method was optimized to determine the micronutrient concentrations from the fertilizers used as inputs in organic farming. The calibration curves showed good linearity for all elements (R2 > 0.999). Recoveries were in the range of 94.9–97.9%. The values of extended uncertainty with a probability of 95% (k = 2) for the liquid organic fertilizer samples were between 0.004% for Mo and 0.12% for Fe. The results have shown good accuracy and reproducibility, and the optimized method was validated.
ISSN:2673-4583
DOI:10.3390/chemproc2023013010