Microwave-assisted digestion procedure for the determination of palladium in road dust
The present publication describes a microwave-assisted digestion procedure for the subsequent trace and ultra-trace analysis of palladium in road dust of varying origin. Digestion reagents are nitric acid, hydrogen peroxide and hydrofluoric acid. Boric acid is used as masking agent for fluoride ions...
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| Veröffentlicht in: | Analytica chimica acta 2002-05, Vol.459 (2), p.257-265 |
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| container_title | Analytica chimica acta |
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| creator | Boch, K. Schuster, M. Risse, G. Schwarzer, M. |
| description | The present publication describes a microwave-assisted digestion procedure for the subsequent trace and ultra-trace analysis of palladium in road dust of varying origin. Digestion reagents are nitric acid, hydrogen peroxide and hydrofluoric acid. Boric acid is used as masking agent for fluoride ions to avoid removal of excess hydrofluoric acid by vaporization. After the three-step digestion procedure, a colorless and residue-free solution is obtained in which the determination of palladium can be directly performed using a recently developed highly selective on-line pre-concentration system, coupled with graphite furnace atomic absorption spectrometry (GF-AAS). Dust samples of varying origin (tunnel dust, road dust, filter dust from Frankfurt, Munich and Japan) and sampling dates (1987–2001) were investigated and characterized in detail with respect to matrix composition and palladium content. Validation of the analytical results was performed by recovery experiments. |
| doi_str_mv | 10.1016/S0003-2670(02)00123-X |
| format | Article |
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Digestion reagents are nitric acid, hydrogen peroxide and hydrofluoric acid. Boric acid is used as masking agent for fluoride ions to avoid removal of excess hydrofluoric acid by vaporization. After the three-step digestion procedure, a colorless and residue-free solution is obtained in which the determination of palladium can be directly performed using a recently developed highly selective on-line pre-concentration system, coupled with graphite furnace atomic absorption spectrometry (GF-AAS). Dust samples of varying origin (tunnel dust, road dust, filter dust from Frankfurt, Munich and Japan) and sampling dates (1987–2001) were investigated and characterized in detail with respect to matrix composition and palladium content. 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Digestion reagents are nitric acid, hydrogen peroxide and hydrofluoric acid. Boric acid is used as masking agent for fluoride ions to avoid removal of excess hydrofluoric acid by vaporization. After the three-step digestion procedure, a colorless and residue-free solution is obtained in which the determination of palladium can be directly performed using a recently developed highly selective on-line pre-concentration system, coupled with graphite furnace atomic absorption spectrometry (GF-AAS). Dust samples of varying origin (tunnel dust, road dust, filter dust from Frankfurt, Munich and Japan) and sampling dates (1987–2001) were investigated and characterized in detail with respect to matrix composition and palladium content. Validation of the analytical results was performed by recovery experiments.</description><subject>Graphite furnace atomic absorption spectrometry</subject><subject>hydrofluoric acid</subject><subject>hydrogen peroxide</subject><subject>Microwave-assisted digestion</subject><subject>Palladium</subject><subject>Road dust samples</subject><issn>0003-2670</issn><issn>1873-4324</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWKs_QchJ9LA6SfbzJFL8gooHP-gtTDezGuluarJb8d-btuLVywzDvO_wzsPYsYBzASK_eAIAlci8gFOQZwBCqmS2w0aiLFSSKpnustGfZJ8dhPARRykgHbHXB1t794UrSjAEG3oy3Ng3Cr11HV96V5MZPPHGed6_EzfUk29th5u9a_gSFws0dmi57bh3GO1D6A_ZXoOLQEe_fcxebq6fJ3fJ9PH2fnI1TeoU0j5WI2VGTQkFmlqUSlag1Bxl1lQZlKVQlZyXqsAiQ5Vhkc9FrKpCIU0OFaoxO9nejUk_h5hatzbUFCN15IagRS4ypfI8CrOtMH4bgqdGL71t0X9rAXpNUW8o6jUiDVJvKOpZ9F1ufRS_WFnyOtSWukjFeqp7bZz958IPyHJ5tQ</recordid><startdate>20020501</startdate><enddate>20020501</enddate><creator>Boch, K.</creator><creator>Schuster, M.</creator><creator>Risse, G.</creator><creator>Schwarzer, M.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TV</scope><scope>C1K</scope></search><sort><creationdate>20020501</creationdate><title>Microwave-assisted digestion procedure for the determination of palladium in road dust</title><author>Boch, K. ; Schuster, M. ; Risse, G. ; Schwarzer, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c404t-c4d225ef807adc18329033ba25f950881392b837a75a35a76b15a739a12d609a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Graphite furnace atomic absorption spectrometry</topic><topic>hydrofluoric acid</topic><topic>hydrogen peroxide</topic><topic>Microwave-assisted digestion</topic><topic>Palladium</topic><topic>Road dust samples</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Boch, K.</creatorcontrib><creatorcontrib>Schuster, M.</creatorcontrib><creatorcontrib>Risse, G.</creatorcontrib><creatorcontrib>Schwarzer, M.</creatorcontrib><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Analytica chimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Boch, K.</au><au>Schuster, M.</au><au>Risse, G.</au><au>Schwarzer, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microwave-assisted digestion procedure for the determination of palladium in road dust</atitle><jtitle>Analytica chimica acta</jtitle><date>2002-05-01</date><risdate>2002</risdate><volume>459</volume><issue>2</issue><spage>257</spage><epage>265</epage><pages>257-265</pages><issn>0003-2670</issn><eissn>1873-4324</eissn><abstract>The present publication describes a microwave-assisted digestion procedure for the subsequent trace and ultra-trace analysis of palladium in road dust of varying origin. Digestion reagents are nitric acid, hydrogen peroxide and hydrofluoric acid. Boric acid is used as masking agent for fluoride ions to avoid removal of excess hydrofluoric acid by vaporization. After the three-step digestion procedure, a colorless and residue-free solution is obtained in which the determination of palladium can be directly performed using a recently developed highly selective on-line pre-concentration system, coupled with graphite furnace atomic absorption spectrometry (GF-AAS). Dust samples of varying origin (tunnel dust, road dust, filter dust from Frankfurt, Munich and Japan) and sampling dates (1987–2001) were investigated and characterized in detail with respect to matrix composition and palladium content. Validation of the analytical results was performed by recovery experiments.</abstract><pub>Elsevier B.V</pub><doi>10.1016/S0003-2670(02)00123-X</doi><tpages>9</tpages></addata></record> |
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| ispartof | Analytica chimica acta, 2002-05, Vol.459 (2), p.257-265 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Graphite furnace atomic absorption spectrometry hydrofluoric acid hydrogen peroxide Microwave-assisted digestion Palladium Road dust samples |
| title | Microwave-assisted digestion procedure for the determination of palladium in road dust |
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