Comparison of palladium–magnesium nitrate and ammonium dihydrogenphosphate modifiers for cadmium determination in honey samples by electrothermal atomic absorption spectrometry
The occurrence of certain trace elements, such as cadmium, in honey bee can be considered as an indication of environmental pollution. In the present work, two methods for Cd determination in honey by electrothermal atomic absorption spectrometry, using palladium–magnesium nitrate and ammonium dihyd...
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| Veröffentlicht in: | Talanta (Oxford) 2003-11, Vol.61 (4), p.509-517 |
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| creator | Rodrı́guez Garcı́a, J.C Barciela Garcı́a, J Herrero Latorre, C Freire Rodrı́guez, M Garcı́a Martı́n, S Peña Crecente, R.M |
| description | The occurrence of certain trace elements, such as cadmium, in honey bee can be considered as an indication of environmental pollution. In the present work, two methods for Cd determination in honey by electrothermal atomic absorption spectrometry, using palladium–magnesium nitrate and ammonium dihydrogenphosphate as chemical modifiers, have been developed. In none of these cases honey samples required pretreatment. Honey was diluted in water (20% w/v), and hydrogen peroxide, nitric acid, and Triton X-100 were added to minimize the matrix effect. For the first method, 21.6 μg of palladium and 4.5 μg of magnesium were added as chemical modifier; for the second method, 60 μg of ammonium dihydrogenphosphate were employed. The limits of detection obtained were 0.32 ng g
−1 for ammonium dihydrogenphosphate method and 0.54 ng g
−1 for palladium–magnesium nitrate method. The characteristic mass was 0.7 and 1.0 pg for ammonium dihydrogenphosphate and palladium–magnesium nitrate methods, respectively. The relative standard deviation ( |
| doi_str_mv | 10.1016/S0039-9140(03)00312-6 |
| format | Article |
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−1 for ammonium dihydrogenphosphate method and 0.54 ng g
−1 for palladium–magnesium nitrate method. The characteristic mass was 0.7 and 1.0 pg for ammonium dihydrogenphosphate and palladium–magnesium nitrate methods, respectively. The relative standard deviation (<10%) and the analytical recovery (98–105%) were comparable in both methods. The optimised methods were applied to the determination of the cadmium content in unpolluted Galician honey samples. Cd has been detected the analysed samples in the range (n.d.—4.3 ng g
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−1 for ammonium dihydrogenphosphate method and 0.54 ng g
−1 for palladium–magnesium nitrate method. The characteristic mass was 0.7 and 1.0 pg for ammonium dihydrogenphosphate and palladium–magnesium nitrate methods, respectively. The relative standard deviation (<10%) and the analytical recovery (98–105%) were comparable in both methods. The optimised methods were applied to the determination of the cadmium content in unpolluted Galician honey samples. Cd has been detected the analysed samples in the range (n.d.—4.3 ng g
−1).</description><subject>Ammonium dihydrogenphosphate</subject><subject>Biological and medical sciences</subject><subject>Cadmium</subject><subject>Chemical modification</subject><subject>Environmental pollutants toxicology</subject><subject>ETA-AAS</subject><subject>General aspects</subject><subject>Honey</subject><subject>Medical sciences</subject><subject>Palladium–magnesium nitrate</subject><subject>Toxicology</subject><issn>0039-9140</issn><issn>1873-3573</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkU2O1DAQRi0EYnoGjgDyBgGLgB0n6XiFUIs_aSQWwNqq2JWJUWwHOz1SdtyBm3AkToKTbjFLVrZLr1yl7xHyhLNXnPHm9RfGhCwkr9gLJl7mBy-L5h7Z8XYvClHvxX2y-4dckMuUvjPGSsHEQ3LBW9nIkosd-X0IboJoU_A09HSCcQRjj-7Pz18ObjymfKfezhFmpOANBeeCX4vGDouJ4Qb9NIQ0DSvggrG9xZhoHyLVYNxG4ozRWQ-zzVOsp0PwuNAEbhox0W6hOKKeY5iHzMFIYQ7OagpdCnHamtK0AQ7nuDwiD3oYEz4-n1fk2_t3Xw8fi-vPHz4d3l4XWshyLozgldZc8K42DEwju76VUPOS7bu6AQaCyZ6Zui251GUlG8zhNIB9ncNpKi6uyPPTv1MMP46YZuVs0pgD8hiOSe1FxdumljKT9YnUMaQUsVdTtA7iojhTqy212VKrCsWE2mypJvc9PU84dg7NXddZTwaenQFIGsY-gtc23XF1KTir1gXenDjMedxmASppi16jsTEHp0yw_1nlL2BCt9U</recordid><startdate>20031112</startdate><enddate>20031112</enddate><creator>Rodrı́guez Garcı́a, J.C</creator><creator>Barciela Garcı́a, J</creator><creator>Herrero Latorre, C</creator><creator>Freire Rodrı́guez, M</creator><creator>Garcı́a Martı́n, S</creator><creator>Peña Crecente, R.M</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20031112</creationdate><title>Comparison of palladium–magnesium nitrate and ammonium dihydrogenphosphate modifiers for cadmium determination in honey samples by electrothermal atomic absorption spectrometry</title><author>Rodrı́guez Garcı́a, J.C ; Barciela Garcı́a, J ; Herrero Latorre, C ; Freire Rodrı́guez, M ; Garcı́a Martı́n, S ; Peña Crecente, R.M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-d314cc131b5d0ad69bf89a51207b56a0a309f0d58219c2496e2306aef58966413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Ammonium dihydrogenphosphate</topic><topic>Biological and medical sciences</topic><topic>Cadmium</topic><topic>Chemical modification</topic><topic>Environmental pollutants toxicology</topic><topic>ETA-AAS</topic><topic>General aspects</topic><topic>Honey</topic><topic>Medical sciences</topic><topic>Palladium–magnesium nitrate</topic><topic>Toxicology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rodrı́guez Garcı́a, J.C</creatorcontrib><creatorcontrib>Barciela Garcı́a, J</creatorcontrib><creatorcontrib>Herrero Latorre, C</creatorcontrib><creatorcontrib>Freire Rodrı́guez, M</creatorcontrib><creatorcontrib>Garcı́a Martı́n, S</creatorcontrib><creatorcontrib>Peña Crecente, R.M</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Talanta (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rodrı́guez Garcı́a, J.C</au><au>Barciela Garcı́a, J</au><au>Herrero Latorre, C</au><au>Freire Rodrı́guez, M</au><au>Garcı́a Martı́n, S</au><au>Peña Crecente, R.M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of palladium–magnesium nitrate and ammonium dihydrogenphosphate modifiers for cadmium determination in honey samples by electrothermal atomic absorption spectrometry</atitle><jtitle>Talanta (Oxford)</jtitle><addtitle>Talanta</addtitle><date>2003-11-12</date><risdate>2003</risdate><volume>61</volume><issue>4</issue><spage>509</spage><epage>517</epage><pages>509-517</pages><issn>0039-9140</issn><eissn>1873-3573</eissn><coden>TLNTA2</coden><abstract>The occurrence of certain trace elements, such as cadmium, in honey bee can be considered as an indication of environmental pollution. In the present work, two methods for Cd determination in honey by electrothermal atomic absorption spectrometry, using palladium–magnesium nitrate and ammonium dihydrogenphosphate as chemical modifiers, have been developed. In none of these cases honey samples required pretreatment. Honey was diluted in water (20% w/v), and hydrogen peroxide, nitric acid, and Triton X-100 were added to minimize the matrix effect. For the first method, 21.6 μg of palladium and 4.5 μg of magnesium were added as chemical modifier; for the second method, 60 μg of ammonium dihydrogenphosphate were employed. The limits of detection obtained were 0.32 ng g
−1 for ammonium dihydrogenphosphate method and 0.54 ng g
−1 for palladium–magnesium nitrate method. The characteristic mass was 0.7 and 1.0 pg for ammonium dihydrogenphosphate and palladium–magnesium nitrate methods, respectively. The relative standard deviation (<10%) and the analytical recovery (98–105%) were comparable in both methods. The optimised methods were applied to the determination of the cadmium content in unpolluted Galician honey samples. Cd has been detected the analysed samples in the range (n.d.—4.3 ng g
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| subjects | Ammonium dihydrogenphosphate Biological and medical sciences Cadmium Chemical modification Environmental pollutants toxicology ETA-AAS General aspects Honey Medical sciences Palladium–magnesium nitrate Toxicology |
| title | Comparison of palladium–magnesium nitrate and ammonium dihydrogenphosphate modifiers for cadmium determination in honey samples by electrothermal atomic absorption spectrometry |
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