Extraction and Analysis of Lead in Sweeteners by Flow-Injection Donnan Dialysis with Flame Atomic Absorption Spectroscopy
Flow-injection Donnan dialysis is demonstrated for the extraction of lead in sweeteners using flame atomic absorption spectroscopy (FAAS). For spiked concentrations in the low microgram per gram range, recoveries were greater than 90%, and the relative standard deviation was typically less than 10%...
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| Veröffentlicht in: | Journal of agricultural and food chemistry 2001-10, Vol.49 (10), p.4615-4618 |
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| container_issue | 10 |
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| container_title | Journal of agricultural and food chemistry |
| container_volume | 49 |
| creator | Antonia, Amber Allen, Lori B |
| description | Flow-injection Donnan dialysis is demonstrated for the extraction of lead in sweeteners using flame atomic absorption spectroscopy (FAAS). For spiked concentrations in the low microgram per gram range, recoveries were greater than 90%, and the relative standard deviation was typically less than 10% for a 15-min dialysis procedure. The method detection limit is 350 ng/g. Donnan dialysis is shown to be successful for the extraction of lead in sucrose, corn syrup, and honey but limited in performance for molasses and artificial syrup. This paper also includes a comparison to other procedures for the determination of lead in sweeteners and presents options for realizing improved method performance with Donnan dialysis. Keywords: Donnan dialysis; flame atomic absorption spectroscopy; corn; honey; sweeteners; syrup |
| doi_str_mv | 10.1021/jf010504w |
| format | Article |
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For spiked concentrations in the low microgram per gram range, recoveries were greater than 90%, and the relative standard deviation was typically less than 10% for a 15-min dialysis procedure. The method detection limit is 350 ng/g. Donnan dialysis is shown to be successful for the extraction of lead in sucrose, corn syrup, and honey but limited in performance for molasses and artificial syrup. This paper also includes a comparison to other procedures for the determination of lead in sweeteners and presents options for realizing improved method performance with Donnan dialysis. 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Agric. Food Chem</addtitle><description>Flow-injection Donnan dialysis is demonstrated for the extraction of lead in sweeteners using flame atomic absorption spectroscopy (FAAS). For spiked concentrations in the low microgram per gram range, recoveries were greater than 90%, and the relative standard deviation was typically less than 10% for a 15-min dialysis procedure. The method detection limit is 350 ng/g. Donnan dialysis is shown to be successful for the extraction of lead in sucrose, corn syrup, and honey but limited in performance for molasses and artificial syrup. This paper also includes a comparison to other procedures for the determination of lead in sweeteners and presents options for realizing improved method performance with Donnan dialysis. Keywords: Donnan dialysis; flame atomic absorption spectroscopy; corn; honey; sweeteners; syrup</description><subject>Biological and medical sciences</subject><subject>Dialysis - methods</subject><subject>Dietary Sucrose - analysis</subject><subject>Flow Injection Analysis - methods</subject><subject>Food additives</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Honey - analysis</subject><subject>Lead - analysis</subject><subject>Methods of analysis, processing and quality control, regulation, standards</subject><subject>Molasses - analysis</subject><subject>Spectrophotometry, Atomic - methods</subject><subject>Sucrose - chemistry</subject><subject>Sweetening Agents - chemistry</subject><issn>0021-8561</issn><issn>1520-5118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkUFv1DAQhS0EapfSA38A-QISh9BxEsfJcbVt2UpBRdpythxnIrwkdrCz2ubfY9ioe2EuM9J872n0hpD3DL4wSNnNvgMGHPLjK7JiPIWEM1a-JiuIy6TkBbskb0PYA0DJBVyQS8Z4FUusyHz3PHmlJ-MsVbala6v6OZhAXUdrVC01lu6OiBNa9IE2M73v3TF5sHs8iW6dtSo2s-iOZvoZGTUgXU9uMJqum-D8-A_ejVHlXdBunN-RN53qA14v_Yr8uL972myT-vHrw2ZdJyoT1ZQUZZtjVfJKc90pjroE0BUIUbS8yXjepFxluss1pFpXLM6FQt60JQrGOiizK_Lp5Dt69_uAYZKDCRr7Xll0hyBFyqoKWBrBzydQxwuDx06O3gzKz5KB_JuzfMk5sh8W00MzYHsml2Aj8HEBVNCq77yy2oQzl0OVZzmPXHLiTJjw-WWv_C9ZiExw-fR9J2u2_ZbW2UZuz75KB7l3Bx__Ff5z4B-hLaGl</recordid><startdate>20011001</startdate><enddate>20011001</enddate><creator>Antonia, Amber</creator><creator>Allen, Lori B</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20011001</creationdate><title>Extraction and Analysis of Lead in Sweeteners by Flow-Injection Donnan Dialysis with Flame Atomic Absorption Spectroscopy</title><author>Antonia, Amber ; Allen, Lori B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a379t-68d4e9859c5cfa5ec800c90776d5b354b25a3cf4c02cc91a3c6ae5bd8e711f083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Biological and medical sciences</topic><topic>Dialysis - methods</topic><topic>Dietary Sucrose - analysis</topic><topic>Flow Injection Analysis - methods</topic><topic>Food additives</topic><topic>Food industries</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Honey - analysis</topic><topic>Lead - analysis</topic><topic>Methods of analysis, processing and quality control, regulation, standards</topic><topic>Molasses - analysis</topic><topic>Spectrophotometry, Atomic - methods</topic><topic>Sucrose - chemistry</topic><topic>Sweetening Agents - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Antonia, Amber</creatorcontrib><creatorcontrib>Allen, Lori B</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of agricultural and food chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Antonia, Amber</au><au>Allen, Lori B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extraction and Analysis of Lead in Sweeteners by Flow-Injection Donnan Dialysis with Flame Atomic Absorption Spectroscopy</atitle><jtitle>Journal of agricultural and food chemistry</jtitle><addtitle>J. Agric. Food Chem</addtitle><date>2001-10-01</date><risdate>2001</risdate><volume>49</volume><issue>10</issue><spage>4615</spage><epage>4618</epage><pages>4615-4618</pages><issn>0021-8561</issn><eissn>1520-5118</eissn><coden>JAFCAU</coden><abstract>Flow-injection Donnan dialysis is demonstrated for the extraction of lead in sweeteners using flame atomic absorption spectroscopy (FAAS). For spiked concentrations in the low microgram per gram range, recoveries were greater than 90%, and the relative standard deviation was typically less than 10% for a 15-min dialysis procedure. The method detection limit is 350 ng/g. Donnan dialysis is shown to be successful for the extraction of lead in sucrose, corn syrup, and honey but limited in performance for molasses and artificial syrup. This paper also includes a comparison to other procedures for the determination of lead in sweeteners and presents options for realizing improved method performance with Donnan dialysis. Keywords: Donnan dialysis; flame atomic absorption spectroscopy; corn; honey; sweeteners; syrup</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>11599997</pmid><doi>10.1021/jf010504w</doi><tpages>4</tpages></addata></record> |
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| ispartof | Journal of agricultural and food chemistry, 2001-10, Vol.49 (10), p.4615-4618 |
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| language | eng |
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| source | MEDLINE; American Chemical Society Journals |
| subjects | Biological and medical sciences Dialysis - methods Dietary Sucrose - analysis Flow Injection Analysis - methods Food additives Food industries Fundamental and applied biological sciences. Psychology General aspects Honey - analysis Lead - analysis Methods of analysis, processing and quality control, regulation, standards Molasses - analysis Spectrophotometry, Atomic - methods Sucrose - chemistry Sweetening Agents - chemistry |
| title | Extraction and Analysis of Lead in Sweeteners by Flow-Injection Donnan Dialysis with Flame Atomic Absorption Spectroscopy |
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