Determination of Toxic Metals Pollution using Extraction (TCLP) in Six Brands of Vermicompost Produced from Bio-Wastes in Tehran
Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury,...
Ausführliche Beschreibung
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V Past [verfasserIn] AR Mesdaghinia [verfasserIn] M Naderi [verfasserIn] |
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2016 |
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In: سلامت و محیط - Tehran University of Medical Sciences, 2021, 9(2016), 2, Seite 289-298 |
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Übergeordnetes Werk: |
volume:9 ; year:2016 ; number:2 ; pages:289-298 |
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DOAJ002866226 |
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520 | |a Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. | ||
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(DE-627)DOAJ002866226 (DE-599)DOAJa53c02fe0c6145d886c03f2a934cb187 DE-627 ger DE-627 rakwb per GE1-350 V Past verfasserin aut Determination of Toxic Metals Pollution using Extraction (TCLP) in Six Brands of Vermicompost Produced from Bio-Wastes in Tehran 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. Toxic metals TCLP Vermicompost Environmental sciences AR Mesdaghinia verfasserin aut M Naderi verfasserin aut In سلامت و محیط Tehran University of Medical Sciences, 2021 9(2016), 2, Seite 289-298 (DE-627)DOAJ078612497 20083718 nnns volume:9 year:2016 number:2 pages:289-298 https://doaj.org/article/a53c02fe0c6145d886c03f2a934cb187 kostenfrei http://ijhe.tums.ac.ir/browse.php?a_code=A-10-836-2&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2008-2029 Journal toc kostenfrei https://doaj.org/toc/2008-3718 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 9 2016 2 289-298 |
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(DE-627)DOAJ002866226 (DE-599)DOAJa53c02fe0c6145d886c03f2a934cb187 DE-627 ger DE-627 rakwb per GE1-350 V Past verfasserin aut Determination of Toxic Metals Pollution using Extraction (TCLP) in Six Brands of Vermicompost Produced from Bio-Wastes in Tehran 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. Toxic metals TCLP Vermicompost Environmental sciences AR Mesdaghinia verfasserin aut M Naderi verfasserin aut In سلامت و محیط Tehran University of Medical Sciences, 2021 9(2016), 2, Seite 289-298 (DE-627)DOAJ078612497 20083718 nnns volume:9 year:2016 number:2 pages:289-298 https://doaj.org/article/a53c02fe0c6145d886c03f2a934cb187 kostenfrei http://ijhe.tums.ac.ir/browse.php?a_code=A-10-836-2&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2008-2029 Journal toc kostenfrei https://doaj.org/toc/2008-3718 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 9 2016 2 289-298 |
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(DE-627)DOAJ002866226 (DE-599)DOAJa53c02fe0c6145d886c03f2a934cb187 DE-627 ger DE-627 rakwb per GE1-350 V Past verfasserin aut Determination of Toxic Metals Pollution using Extraction (TCLP) in Six Brands of Vermicompost Produced from Bio-Wastes in Tehran 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. Toxic metals TCLP Vermicompost Environmental sciences AR Mesdaghinia verfasserin aut M Naderi verfasserin aut In سلامت و محیط Tehran University of Medical Sciences, 2021 9(2016), 2, Seite 289-298 (DE-627)DOAJ078612497 20083718 nnns volume:9 year:2016 number:2 pages:289-298 https://doaj.org/article/a53c02fe0c6145d886c03f2a934cb187 kostenfrei http://ijhe.tums.ac.ir/browse.php?a_code=A-10-836-2&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2008-2029 Journal toc kostenfrei https://doaj.org/toc/2008-3718 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 9 2016 2 289-298 |
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(DE-627)DOAJ002866226 (DE-599)DOAJa53c02fe0c6145d886c03f2a934cb187 DE-627 ger DE-627 rakwb per GE1-350 V Past verfasserin aut Determination of Toxic Metals Pollution using Extraction (TCLP) in Six Brands of Vermicompost Produced from Bio-Wastes in Tehran 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. Toxic metals TCLP Vermicompost Environmental sciences AR Mesdaghinia verfasserin aut M Naderi verfasserin aut In سلامت و محیط Tehran University of Medical Sciences, 2021 9(2016), 2, Seite 289-298 (DE-627)DOAJ078612497 20083718 nnns volume:9 year:2016 number:2 pages:289-298 https://doaj.org/article/a53c02fe0c6145d886c03f2a934cb187 kostenfrei http://ijhe.tums.ac.ir/browse.php?a_code=A-10-836-2&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2008-2029 Journal toc kostenfrei https://doaj.org/toc/2008-3718 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 9 2016 2 289-298 |
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(DE-627)DOAJ002866226 (DE-599)DOAJa53c02fe0c6145d886c03f2a934cb187 DE-627 ger DE-627 rakwb per GE1-350 V Past verfasserin aut Determination of Toxic Metals Pollution using Extraction (TCLP) in Six Brands of Vermicompost Produced from Bio-Wastes in Tehran 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. Toxic metals TCLP Vermicompost Environmental sciences AR Mesdaghinia verfasserin aut M Naderi verfasserin aut In سلامت و محیط Tehran University of Medical Sciences, 2021 9(2016), 2, Seite 289-298 (DE-627)DOAJ078612497 20083718 nnns volume:9 year:2016 number:2 pages:289-298 https://doaj.org/article/a53c02fe0c6145d886c03f2a934cb187 kostenfrei http://ijhe.tums.ac.ir/browse.php?a_code=A-10-836-2&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2008-2029 Journal toc kostenfrei https://doaj.org/toc/2008-3718 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 9 2016 2 289-298 |
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Determination of Toxic Metals Pollution using Extraction (TCLP) in Six Brands of Vermicompost Produced from Bio-Wastes in Tehran |
abstract |
Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. |
abstractGer |
Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. |
abstract_unstemmed |
Background and objective: Compost is beneficial for conditioning the structure and nutrient content of soil. Toxic metals are the most important contaminants that can enter the food chain through the compost products and affect human health. The aim of this study was to assess the arsenic, mercury, cadmium, and lead levels in six brands of vermicompost produced from the organic solid wastes in Tehran and to compare the amounts with the international and national standard levels. Materials and Methods: This was a descriptive - analytical study in which samples of six brands of vermicompost products were randomly selected from the distribution centers in Tehran, and from each brand four samples were prepared (24 samples). Then the samples were extracted using the TCLP (Toxicity Characteristic Leaching Procedure) method and after filtration the metal concentrations were measured by Inductively Coupled Plasma (ICP). All data were analyzed using Excel software. Results: The means and standard deviations of the toxic metals concentrations (arsenic, mercury, cadmium, and lead) in the collected samples of each brand were reported in terms of mg/kg. The maximum concentrations of these toxic metals were 7.45, 0.15, 0.19, and 79.95 mg/kg, respectively. Conclusion: The results indicated that the levels of toxic metals in the vermicompost samples derived from the municipal solid waste in Tehran were lower than the permissible limits of the national and international standards. |
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title_short |
Determination of Toxic Metals Pollution using Extraction (TCLP) in Six Brands of Vermicompost Produced from Bio-Wastes in Tehran |
url |
https://doaj.org/article/a53c02fe0c6145d886c03f2a934cb187 http://ijhe.tums.ac.ir/browse.php?a_code=A-10-836-2&slc_lang=en&sid=1 https://doaj.org/toc/2008-2029 https://doaj.org/toc/2008-3718 |
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AR Mesdaghinia M Naderi |
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AR Mesdaghinia M Naderi |
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DOAJ078612497 |
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GE - Environmental Sciences |
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up_date |
2024-07-03T14:33:49.694Z |
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