Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS / Rayene Ferras

Public ISBD Titre : Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS Type de document : document électronique Auteurs : Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse Editeur : Setif:UFA Année de publication : 2025 Importance : 1 vol (37 f.) Format : 29 cm Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699 Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS [document électronique] / Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse . - [S.l.] : Setif:UFA, 2025 . - 1 vol (37 f.) ; 29 cm. Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699

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Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS / Rayene Ferras

Public ISBD Titre : Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS Type de document : document électronique Auteurs : Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse Editeur : Setif:UFA Année de publication : 2025 Importance : 1 vol (37 f.) Format : 29 cm Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699 Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS [document électronique] / Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse . - [S.l.] : Setif:UFA, 2025 . - 1 vol (37 f.) ; 29 cm. Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699

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Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS / Rayene Ferras

Public ISBD Titre : Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS Type de document : document électronique Auteurs : Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse Editeur : Setif:UFA Année de publication : 2025 Importance : 1 vol (37 f.) Format : 29 cm Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699 Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS [document électronique] / Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse . - [S.l.] : Setif:UFA, 2025 . - 1 vol (37 f.) ; 29 cm. Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699

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Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS / Rayene Ferras

Public ISBD Titre : Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS Type de document : document électronique Auteurs : Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse Editeur : Setif:UFA Année de publication : 2025 Importance : 1 vol (37 f.) Format : 29 cm Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699 Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS [document électronique] / Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse . - [S.l.] : Setif:UFA, 2025 . - 1 vol (37 f.) ; 29 cm. Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699

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Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS / Rayene Ferras

Public ISBD Titre : Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS Type de document : document électronique Auteurs : Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse Editeur : Setif:UFA Année de publication : 2025 Importance : 1 vol (37 f.) Format : 29 cm Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699 Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS [document électronique] / Rayene Ferras, Auteur ; Ouassila Boukhenfouf, Directeur de thèse . - [S.l.] : Setif:UFA, 2025 . - 1 vol (37 f.) ; 29 cm. Langues : Anglais (eng) Catégories : Thèses & Mémoires:Physique Mots-clés : Analysis of Radioelements XRF and LIBS Index. décimale : 530 - Physique Résumé : This study aims to evaluate the radiological and chemical safety of four commercially available agricultural pesticides (ASTRAD, STORA, STARLIGHT, FLINT) using LIBS, XRF, and gammaray spectroscopy techniques. The results showed that the activity levels of the natural radionuclides (238U and 232Th) were within globally accepted limits, except for ASTRAD, which recorded relatively high activity. LIBS and XRF techniques revealed excessive concentrations of toxic heavy metals such as Ni, Mn, Cu, Cr, and Zn. LIBS was effective in the qualitative detection of elements, including light ones such as C, O, and N, while XRF provided accurate quantitative data on heavy elements. The study recommends strict regulation of pesticide content, full disclosure of their composition, and the adoption of safer alternatives to protect the environment and human health. Note de contenu : Côte titre : MAPH/0699

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Analysis of Radioelements and Heavy Metals Contents in Pesticides by Different Methods: γ Spectrometry, XRF and LIBS / Rayene Ferras

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