Novel Method for Indirect Determination of Iodine in Marine Products by Atomic Fluorescence Spectrometry
A method for the determination of iodine based upon compound H2HgI4, formed between I- and Hg1＋ in nitric acid and extracted in methyl isobutyl ketone（MIBK）, was developed via atomic fluorescence spectrometry（AFS）. After the compound is reduced with potassium borohydrid（KBH4）, the resultant mercury...
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| Veröffentlicht in: | Chemical research in Chinese universities 2013-02, Vol.29 (1), p.26-29 |
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| creator | Lu, Jian-ping Tan, Fang-wei Tang, Qiong Jiang, Tian-cheng |
| description | A method for the determination of iodine based upon compound H2HgI4, formed between I- and Hg1＋ in nitric acid and extracted in methyl isobutyl ketone（MIBK）, was developed via atomic fluorescence spectrometry（AFS）. After the compound is reduced with potassium borohydrid（KBH4）, the resultant mercury vapor was injected into the instrument and iodine was, therefore, indirectly determined. Experimental parameters such as the conditions of extraction reagents, aqueous phase acidity, elemental mercury diffusion temperature in a vial and other factors were investigated and optimized. Under the optimum experimental conditions, this method shows a detection limit of 0.038μg/L iodine and a linear relationship between 0.04-20 p.g/L. The method was applied to determining the iodine content in marine duck eggs, kelps, laver and Ganoderma lucidum spirulina, showing a relative standard deviation（RSD） of 2.15% and the recoveries in the range of 98.1%-102.5%. |
| doi_str_mv | 10.1007/s40242-013-2171-2 |
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After the compound is reduced with potassium borohydrid（KBH4）, the resultant mercury vapor was injected into the instrument and iodine was, therefore, indirectly determined. Experimental parameters such as the conditions of extraction reagents, aqueous phase acidity, elemental mercury diffusion temperature in a vial and other factors were investigated and optimized. Under the optimum experimental conditions, this method shows a detection limit of 0.038μg/L iodine and a linear relationship between 0.04-20 p.g/L. The method was applied to determining the iodine content in marine duck eggs, kelps, laver and Ganoderma lucidum spirulina, showing a relative standard deviation（RSD） of 2.15% and the recoveries in the range of 98.1%-102.5%.</description><identifier>ISSN: 1005-9040</identifier><identifier>EISSN: 2210-3171</identifier><identifier>DOI: 10.1007/s40242-013-2171-2</identifier><language>eng</language><publisher>Heidelberg: Jilin University and The Editorial Department of Chemical Research in Chinese Universities</publisher><subject>Analytical Chemistry ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Inorganic Chemistry ; Organic Chemistry ; Physical Chemistry ; 原子荧光光谱法 ; 最佳实验条件 ; 海产品 ; 甲基异丁基酮 ; 相对标准偏差 ; 硼氢化钾 ; 碘含量 ; 间接测定</subject><ispartof>Chemical research in Chinese universities, 2013-02, Vol.29 (1), p.26-29</ispartof><rights>Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2013</rights><rights>Copyright © Wanfang Data Co. 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Res. Chin. Univ</addtitle><addtitle>Chemical Research in Chinese University</addtitle><description>A method for the determination of iodine based upon compound H2HgI4, formed between I- and Hg1＋ in nitric acid and extracted in methyl isobutyl ketone（MIBK）, was developed via atomic fluorescence spectrometry（AFS）. After the compound is reduced with potassium borohydrid（KBH4）, the resultant mercury vapor was injected into the instrument and iodine was, therefore, indirectly determined. Experimental parameters such as the conditions of extraction reagents, aqueous phase acidity, elemental mercury diffusion temperature in a vial and other factors were investigated and optimized. Under the optimum experimental conditions, this method shows a detection limit of 0.038μg/L iodine and a linear relationship between 0.04-20 p.g/L. The method was applied to determining the iodine content in marine duck eggs, kelps, laver and Ganoderma lucidum spirulina, showing a relative standard deviation（RSD） of 2.15% and the recoveries in the range of 98.1%-102.5%.</description><subject>Analytical Chemistry</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Inorganic Chemistry</subject><subject>Organic Chemistry</subject><subject>Physical Chemistry</subject><subject>原子荧光光谱法</subject><subject>最佳实验条件</subject><subject>海产品</subject><subject>甲基异丁基酮</subject><subject>相对标准偏差</subject><subject>硼氢化钾</subject><subject>碘含量</subject><subject>间接测定</subject><issn>1005-9040</issn><issn>2210-3171</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kEFPwjAYhhujiYj-AG_16GHafi3rdiQoSgJqop6brfsGI9BiO5T9e0swevPUr8nzvm_yEHLJ2Q1nTN0GyUBCwrhIgCuewBHpAXCWiPg7Jr0IDZKcSXZKzkJYMibyNJU9snhyn7iiM2wXrqK183Riq8ajaekdtujXjS3axlnqajpxVWORNpbOCr-_XryrtqYNtOzosHXrxtDxaus8BoPWIH3dxB7v1tj67pyc1MUq4MXP2yfv4_u30WMyfX6YjIbTxEgu2wQBipwzYWQuleKIZSmVFJnIcVAaFKbO1AAA0hIHKctAFLICVaOqcwYZB9En14fer8LWhZ3rpdt6Gxf1vNrtFrtuCVESiz7SyPIDa7wLwWOtN75ZF77TnOm9Vn3QqmNC77XqfT8cMiGydo7-b-C_0NXP0MLZ-UfM_S5JqdIsF0x8AzA1hdc</recordid><startdate>20130201</startdate><enddate>20130201</enddate><creator>Lu, Jian-ping</creator><creator>Tan, Fang-wei</creator><creator>Tang, Qiong</creator><creator>Jiang, Tian-cheng</creator><general>Jilin University and The Editorial Department of Chemical Research in Chinese Universities</general><general>College of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P.R.China%Guangxi Center of Analysis and Test Research, Nanning 530022, P.R.China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20130201</creationdate><title>Novel Method for Indirect Determination of Iodine in Marine Products by Atomic Fluorescence Spectrometry</title><author>Lu, Jian-ping ; Tan, Fang-wei ; Tang, Qiong ; Jiang, Tian-cheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c414t-e22a9103c494771eebb4743839e5bce3cf8752226be560823a4d27fe7f9028123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Analytical Chemistry</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Chemistry/Food Science</topic><topic>Inorganic Chemistry</topic><topic>Organic Chemistry</topic><topic>Physical Chemistry</topic><topic>原子荧光光谱法</topic><topic>最佳实验条件</topic><topic>海产品</topic><topic>甲基异丁基酮</topic><topic>相对标准偏差</topic><topic>硼氢化钾</topic><topic>碘含量</topic><topic>间接测定</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lu, Jian-ping</creatorcontrib><creatorcontrib>Tan, Fang-wei</creatorcontrib><creatorcontrib>Tang, Qiong</creatorcontrib><creatorcontrib>Jiang, Tian-cheng</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Chemical research in Chinese universities</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lu, Jian-ping</au><au>Tan, Fang-wei</au><au>Tang, Qiong</au><au>Jiang, Tian-cheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel Method for Indirect Determination of Iodine in Marine Products by Atomic Fluorescence Spectrometry</atitle><jtitle>Chemical research in Chinese universities</jtitle><stitle>Chem. Res. Chin. Univ</stitle><addtitle>Chemical Research in Chinese University</addtitle><date>2013-02-01</date><risdate>2013</risdate><volume>29</volume><issue>1</issue><spage>26</spage><epage>29</epage><pages>26-29</pages><issn>1005-9040</issn><eissn>2210-3171</eissn><abstract>A method for the determination of iodine based upon compound H2HgI4, formed between I- and Hg1＋ in nitric acid and extracted in methyl isobutyl ketone（MIBK）, was developed via atomic fluorescence spectrometry（AFS）. After the compound is reduced with potassium borohydrid（KBH4）, the resultant mercury vapor was injected into the instrument and iodine was, therefore, indirectly determined. Experimental parameters such as the conditions of extraction reagents, aqueous phase acidity, elemental mercury diffusion temperature in a vial and other factors were investigated and optimized. 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| subjects | Analytical Chemistry Chemistry Chemistry and Materials Science Chemistry/Food Science Inorganic Chemistry Organic Chemistry Physical Chemistry 原子荧光光谱法 最佳实验条件 海产品 甲基异丁基酮 相对标准偏差 硼氢化钾 碘含量 间接测定 |
| title | Novel Method for Indirect Determination of Iodine in Marine Products by Atomic Fluorescence Spectrometry |
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