Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feeds
This study evaluates the effectiveness of Multi-Energy Calibration (MEC) for multielemental analysis in animal feeds using plasma-based optical emission spectrometry (ICP-OES and MIP-OES). The aim was to improve accuracy in detecting essential minerals by overcoming matrix interferences that affect...
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Frontiers Media S.A.
2025-02-01
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| Series: | Frontiers in Analytical Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/frans.2025.1527110/full |
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| author | Florencia Cora Jofre Florencia Cora Jofre Ariane I. Barros Joaquim A. Nóbrega Marianela Savio Marianela Savio |
| author_facet | Florencia Cora Jofre Florencia Cora Jofre Ariane I. Barros Joaquim A. Nóbrega Marianela Savio Marianela Savio |
| author_sort | Florencia Cora Jofre |
| collection | DOAJ |
| description | This study evaluates the effectiveness of Multi-Energy Calibration (MEC) for multielemental analysis in animal feeds using plasma-based optical emission spectrometry (ICP-OES and MIP-OES). The aim was to improve accuracy in detecting essential minerals by overcoming matrix interferences that affect instrumental techniques. Swine feed samples from different growth stages were analyzed, focusing on essential minerals for animal health and productivity, such as Ca, Co, Cu, Fe, K, Mg, Mn, Na, P, and Zn. The MEC strategy utilizes multiple wavelengths per element, reducing calibration complexity and enhancing accuracy by using only two calibration solutions per sample. Results demonstrate that MEC improves recoveries (80%–105%) when compared to traditional external calibration (EC). The limits of quantification (LOQs) ranged from 0.09 mg kg⁻1 for Mn to 31 mg kg⁻1 for Ca and Na using MEC-ICP-OES, and from 0.08 mg kg⁻1 for Mn to 354 mg kg⁻1 for P using MEC-MIP-OES. For EC, they ranged from 0.4 mg kg⁻1 for Co to 195 mg kg⁻1 for K with ICP-OES and from 2.0 mg kg⁻1 for Mg to 607 mg kg⁻1 for Fe with MIP-OES. MEC provides high precision and matrix-matching capabilities. This makes MEC a reliable method for complex feed matrices, supporting more accurate feed formulations to ensure optimal livestock nutrition. |
| format | Article |
| id | doaj-art-c9112af5cda141eba42cfaaec5d714dc |
| institution | OA Journals |
| issn | 2673-9283 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Analytical Science |
| spelling | doaj-art-c9112af5cda141eba42cfaaec5d714dc2025-08-20T02:03:46ZengFrontiers Media S.A.Frontiers in Analytical Science2673-92832025-02-01510.3389/frans.2025.15271101527110Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feedsFlorencia Cora Jofre0Florencia Cora Jofre1Ariane I. Barros2Joaquim A. Nóbrega3Marianela Savio4Marianela Savio5Facultad Ciencias Exactas y Naturales, Universidad Nacional de La Pampa (UNLPam), Santa Rosa, La Pampa, ArgentinaInstituto de Ciencias de la Tierra y Ambientales de La Pampa (Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional de La Pampa), INCITAP, Mendoza, ArgentinaStudy Group on Soil Residues and Organic Matter, Department of Rural and Soil Engineering, Faculty of Agronomy and Zootechnics, Federal University of Mato Grosso, Mato Grosso, BrazilGroup for Applied Instrumental Analysis, Department of Chemistry, Federal University of São Carlos, São Carlos, BrazilFacultad Ciencias Exactas y Naturales, Universidad Nacional de La Pampa (UNLPam), Santa Rosa, La Pampa, ArgentinaInstituto de Ciencias de la Tierra y Ambientales de La Pampa (Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional de La Pampa), INCITAP, Mendoza, ArgentinaThis study evaluates the effectiveness of Multi-Energy Calibration (MEC) for multielemental analysis in animal feeds using plasma-based optical emission spectrometry (ICP-OES and MIP-OES). The aim was to improve accuracy in detecting essential minerals by overcoming matrix interferences that affect instrumental techniques. Swine feed samples from different growth stages were analyzed, focusing on essential minerals for animal health and productivity, such as Ca, Co, Cu, Fe, K, Mg, Mn, Na, P, and Zn. The MEC strategy utilizes multiple wavelengths per element, reducing calibration complexity and enhancing accuracy by using only two calibration solutions per sample. Results demonstrate that MEC improves recoveries (80%–105%) when compared to traditional external calibration (EC). The limits of quantification (LOQs) ranged from 0.09 mg kg⁻1 for Mn to 31 mg kg⁻1 for Ca and Na using MEC-ICP-OES, and from 0.08 mg kg⁻1 for Mn to 354 mg kg⁻1 for P using MEC-MIP-OES. For EC, they ranged from 0.4 mg kg⁻1 for Co to 195 mg kg⁻1 for K with ICP-OES and from 2.0 mg kg⁻1 for Mg to 607 mg kg⁻1 for Fe with MIP-OES. MEC provides high precision and matrix-matching capabilities. This makes MEC a reliable method for complex feed matrices, supporting more accurate feed formulations to ensure optimal livestock nutrition.https://www.frontiersin.org/articles/10.3389/frans.2025.1527110/fullmulti-energy calibrationanimal feedmultielemental determinationICP-OESMIP-OES |
| spellingShingle | Florencia Cora Jofre Florencia Cora Jofre Ariane I. Barros Joaquim A. Nóbrega Marianela Savio Marianela Savio Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feeds Frontiers in Analytical Science multi-energy calibration animal feed multielemental determination ICP-OES MIP-OES |
| title | Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feeds |
| title_full | Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feeds |
| title_fullStr | Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feeds |
| title_full_unstemmed | Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feeds |
| title_short | Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feeds |
| title_sort | multi energy calibration in plasma emission spectrometry elemental analysis of animal feeds |
| topic | multi-energy calibration animal feed multielemental determination ICP-OES MIP-OES |
| url | https://www.frontiersin.org/articles/10.3389/frans.2025.1527110/full |
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