Determination of Zn in Dry Feeds for Cats and Dogs by Energy-Dispersive X-Ray Fluorescence Spectrometry
This work describes an analytical method for Zn determination in dry feeds for cats and dogs by energy-dispersive X-ray fluorescence (EDXRF). Samples of dry feed were powdered and prepared in the form of pellets for direct analysis by EDXRF. The LOQ (10σ) was 0.4 mg/kg. The samples were also analyze...
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| Veröffentlicht in: | Journal of AOAC International 2016-11, Vol.99 (6), p.1572-1575 |
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| container_title | Journal of AOAC International |
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| creator | Ávila, Dayara Virgnía L Souza, Sidnei O Costa, Silvânio Silvério L Araujo, Rennan Geovanny O Garcia, Carlos Alexandre B Alves, José do Patrocínio H Passos, Elisangela A |
| description | This work describes an analytical method for Zn determination in dry feeds for cats and dogs by energy-dispersive X-ray fluorescence (EDXRF). Samples of dry feed were powdered and prepared in the form of pellets for direct analysis by EDXRF. The LOQ (10σ) was 0.4 mg/kg. The samples were also analyzed by inductively coupled plasma-optical emission spectrometry (ICP-OES) as an independent comparative method. Application of a paired t-test showed no significant differences between Zn concentrations obtained by EDXRF and ICP-OES (at a 95% confidence level). Analysis of variance was also applied to the results and revealed no significant differences between the two techniques (at a 95% confidence level). The precision, expressed as the RSD (n = 3), was RSD < 4.55%. This analytical method provides a simple, rapid, accurate, and precise determination of Zn in dry feeds for cats and dogs by EDXRF as direct, solid-sample analysis. |
| doi_str_mv | 10.5740/jaoacint.16-0105 |
| format | Article |
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Samples of dry feed were powdered and prepared in the form of pellets for direct analysis by EDXRF. The LOQ (10σ) was 0.4 mg/kg. The samples were also analyzed by inductively coupled plasma-optical emission spectrometry (ICP-OES) as an independent comparative method. Application of a paired t-test showed no significant differences between Zn concentrations obtained by EDXRF and ICP-OES (at a 95% confidence level). Analysis of variance was also applied to the results and revealed no significant differences between the two techniques (at a 95% confidence level). The precision, expressed as the RSD (n = 3), was RSD < 4.55%. This analytical method provides a simple, rapid, accurate, and precise determination of Zn in dry feeds for cats and dogs by EDXRF as direct, solid-sample analysis.</description><identifier>ISSN: 1060-3271</identifier><identifier>EISSN: 1944-7922</identifier><identifier>DOI: 10.5740/jaoacint.16-0105</identifier><identifier>PMID: 28206880</identifier><language>eng</language><publisher>England: Oxford University Press</publisher><subject>Animal Feed - analysis ; Animal feeding and feeds ; Animals ; Cats ; Chemical properties ; Dietary Fiber - analysis ; Dogs ; Fluorescence spectroscopy ; Identification and classification ; Methods ; Nutritional aspects ; Spectrometry, X-Ray Emission ; X-ray spectroscopy ; Zinc (Nutrient) ; Zinc - analysis</subject><ispartof>Journal of AOAC International, 2016-11, Vol.99 (6), p.1572-1575</ispartof><rights>COPYRIGHT 2016 Oxford University Press</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-d002e07cedf80b8b8b4739a8817266857f21a086d7fbbf03c085cc0c4b569e3a3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28206880$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ávila, Dayara Virgnía L</creatorcontrib><creatorcontrib>Souza, Sidnei O</creatorcontrib><creatorcontrib>Costa, Silvânio Silvério L</creatorcontrib><creatorcontrib>Araujo, Rennan Geovanny O</creatorcontrib><creatorcontrib>Garcia, Carlos Alexandre B</creatorcontrib><creatorcontrib>Alves, José do Patrocínio H</creatorcontrib><creatorcontrib>Passos, Elisangela A</creatorcontrib><title>Determination of Zn in Dry Feeds for Cats and Dogs by Energy-Dispersive X-Ray Fluorescence Spectrometry</title><title>Journal of AOAC International</title><addtitle>J AOAC Int</addtitle><description>This work describes an analytical method for Zn determination in dry feeds for cats and dogs by energy-dispersive X-ray fluorescence (EDXRF). Samples of dry feed were powdered and prepared in the form of pellets for direct analysis by EDXRF. The LOQ (10σ) was 0.4 mg/kg. The samples were also analyzed by inductively coupled plasma-optical emission spectrometry (ICP-OES) as an independent comparative method. Application of a paired t-test showed no significant differences between Zn concentrations obtained by EDXRF and ICP-OES (at a 95% confidence level). Analysis of variance was also applied to the results and revealed no significant differences between the two techniques (at a 95% confidence level). The precision, expressed as the RSD (n = 3), was RSD < 4.55%. This analytical method provides a simple, rapid, accurate, and precise determination of Zn in dry feeds for cats and dogs by EDXRF as direct, solid-sample analysis.</description><subject>Animal Feed - analysis</subject><subject>Animal feeding and feeds</subject><subject>Animals</subject><subject>Cats</subject><subject>Chemical properties</subject><subject>Dietary Fiber - analysis</subject><subject>Dogs</subject><subject>Fluorescence spectroscopy</subject><subject>Identification and classification</subject><subject>Methods</subject><subject>Nutritional aspects</subject><subject>Spectrometry, X-Ray Emission</subject><subject>X-ray spectroscopy</subject><subject>Zinc (Nutrient)</subject><subject>Zinc - analysis</subject><issn>1060-3271</issn><issn>1944-7922</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkU2LFDEQhoMo7rp69yQBL156rKS7k_RxmdlVYUHwA8RLSKcrQ5buZEwyQv97M8yuIEgdKhTPkyp4CXnNYNPLDt7fm2isD2XDRAMM-ifkkg1d18iB86f1DQKalkt2QV7kfA_QMQH8ObngioNQCi7JfocF0-KDKT4GGh39GagPdJdWeos4ZepioltTMjVhoru4z3Rc6U3AtF-bnc8HTNn_Rvqj-WKqMh9jwmwxWKRfD2hLiguWtL4kz5yZM7566Ffk--3Nt-3H5u7zh0_b67vGtkKUZgLgCNLi5BSMqlYn28EoxSQXQvXScWZAiUm6cXTQWlC9tWC7sRcDtqa9Iu_O_x5S_HXEXPTi6znzbALGY9ZMiQEGCRIq-vaM7s2M2gcXSzL2hOvrTvK6TwyqUpv_ULUmXLyNAZ2v838EOAs2xZwTOn1IfjFp1Qz0KTX9mJpmQp9Sq8qbh6OP44LTX-ExpvYPGfmTTQ</recordid><startdate>20161101</startdate><enddate>20161101</enddate><creator>Ávila, Dayara Virgnía L</creator><creator>Souza, Sidnei O</creator><creator>Costa, Silvânio Silvério L</creator><creator>Araujo, Rennan Geovanny O</creator><creator>Garcia, Carlos Alexandre B</creator><creator>Alves, José do Patrocínio H</creator><creator>Passos, Elisangela A</creator><general>Oxford University Press</general><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>20161101</creationdate><title>Determination of Zn in Dry Feeds for Cats and Dogs by Energy-Dispersive X-Ray Fluorescence Spectrometry</title><author>Ávila, Dayara Virgnía L ; Souza, Sidnei O ; Costa, Silvânio Silvério L ; Araujo, Rennan Geovanny O ; Garcia, Carlos Alexandre B ; Alves, José do Patrocínio H ; Passos, Elisangela A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-d002e07cedf80b8b8b4739a8817266857f21a086d7fbbf03c085cc0c4b569e3a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Animal Feed - analysis</topic><topic>Animal feeding and feeds</topic><topic>Animals</topic><topic>Cats</topic><topic>Chemical properties</topic><topic>Dietary Fiber - analysis</topic><topic>Dogs</topic><topic>Fluorescence spectroscopy</topic><topic>Identification and classification</topic><topic>Methods</topic><topic>Nutritional aspects</topic><topic>Spectrometry, X-Ray Emission</topic><topic>X-ray spectroscopy</topic><topic>Zinc (Nutrient)</topic><topic>Zinc - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ávila, Dayara Virgnía L</creatorcontrib><creatorcontrib>Souza, Sidnei O</creatorcontrib><creatorcontrib>Costa, Silvânio Silvério L</creatorcontrib><creatorcontrib>Araujo, Rennan Geovanny O</creatorcontrib><creatorcontrib>Garcia, Carlos Alexandre B</creatorcontrib><creatorcontrib>Alves, José do Patrocínio H</creatorcontrib><creatorcontrib>Passos, Elisangela A</creatorcontrib><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 AOAC International</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ávila, Dayara Virgnía L</au><au>Souza, Sidnei O</au><au>Costa, Silvânio Silvério L</au><au>Araujo, Rennan Geovanny O</au><au>Garcia, Carlos Alexandre B</au><au>Alves, José do Patrocínio H</au><au>Passos, Elisangela A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determination of Zn in Dry Feeds for Cats and Dogs by Energy-Dispersive X-Ray Fluorescence Spectrometry</atitle><jtitle>Journal of AOAC International</jtitle><addtitle>J AOAC Int</addtitle><date>2016-11-01</date><risdate>2016</risdate><volume>99</volume><issue>6</issue><spage>1572</spage><epage>1575</epage><pages>1572-1575</pages><issn>1060-3271</issn><eissn>1944-7922</eissn><abstract>This work describes an analytical method for Zn determination in dry feeds for cats and dogs by energy-dispersive X-ray fluorescence (EDXRF). Samples of dry feed were powdered and prepared in the form of pellets for direct analysis by EDXRF. The LOQ (10σ) was 0.4 mg/kg. The samples were also analyzed by inductively coupled plasma-optical emission spectrometry (ICP-OES) as an independent comparative method. Application of a paired t-test showed no significant differences between Zn concentrations obtained by EDXRF and ICP-OES (at a 95% confidence level). Analysis of variance was also applied to the results and revealed no significant differences between the two techniques (at a 95% confidence level). The precision, expressed as the RSD (n = 3), was RSD < 4.55%. This analytical method provides a simple, rapid, accurate, and precise determination of Zn in dry feeds for cats and dogs by EDXRF as direct, solid-sample analysis.</abstract><cop>England</cop><pub>Oxford University Press</pub><pmid>28206880</pmid><doi>10.5740/jaoacint.16-0105</doi><tpages>4</tpages></addata></record> |
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| source | Oxford University Press Journals All Titles (1996-Current); MEDLINE |
| subjects | Animal Feed - analysis Animal feeding and feeds Animals Cats Chemical properties Dietary Fiber - analysis Dogs Fluorescence spectroscopy Identification and classification Methods Nutritional aspects Spectrometry, X-Ray Emission X-ray spectroscopy Zinc (Nutrient) Zinc - analysis |
| title | Determination of Zn in Dry Feeds for Cats and Dogs by Energy-Dispersive X-Ray Fluorescence Spectrometry |
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