Voltammetric studies of titanium (IV) phosphate modified with copper hexacyanoferrate and electroanalytical determination of N-acetylcysteine
Titanium (IV) Phosphate copper hexacyanoferrate composite (TiPhCuHCF) was prepared using a new methodology for the synthesis. A preliminary characterization of the precursor and resulting materials was defined using spectroscopic and chemical techniques. The cyclic voltammogram of the modified elect...
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| Veröffentlicht in: | Journal of applied electrochemistry 2011-07, Vol.41 (7), p.787-793 |
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| creator | Pipi, Angelo Ricardo Fávaro do Carmo, Devaney Ribeiro |
| description | Titanium (IV) Phosphate copper hexacyanoferrate composite (TiPhCuHCF) was prepared using a new methodology for the synthesis. A preliminary characterization of the precursor and resulting materials was defined using spectroscopic and chemical techniques. The cyclic voltammogram of the modified electrode containing TiPhCuHCF exhibited two redox couples. The first and second redox couples present a formal potential (
E
θ′
) of 0.18 and 0.76 V and were ascribed to the Cu
+/
Cu
2+
(
E
θ′
)
1
and Fe
2+
(CN)
6
/Fe
3+
(CN)
6
(
E
θ′
)
2
processes, respectively. In a preliminary study, the peak located at 0.76 V displays a sensitive response to
N
-acetylcysteine. The modified graphite paste electrode showed a linear range from 1.0 × 10
−5
to 7.0 × 10
−4
mol L
−1
for the determination of
N
-acetylcysteine with a limit detection of 6.96 × 10
−5
mol L
−1
and relative standard deviation of ± 5% (
n
= 3) and amperometric sensitivity of 24.79 × 10
−3
A mol L
−1
. The modified electrode was electrochemically stable and showed good reproducibility. |
| doi_str_mv | 10.1007/s10800-011-0296-x |
| format | Article |
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E
θ′
) of 0.18 and 0.76 V and were ascribed to the Cu
+/
Cu
2+
(
E
θ′
)
1
and Fe
2+
(CN)
6
/Fe
3+
(CN)
6
(
E
θ′
)
2
processes, respectively. In a preliminary study, the peak located at 0.76 V displays a sensitive response to
N
-acetylcysteine. The modified graphite paste electrode showed a linear range from 1.0 × 10
−5
to 7.0 × 10
−4
mol L
−1
for the determination of
N
-acetylcysteine with a limit detection of 6.96 × 10
−5
mol L
−1
and relative standard deviation of ± 5% (
n
= 3) and amperometric sensitivity of 24.79 × 10
−3
A mol L
−1
. The modified electrode was electrochemically stable and showed good reproducibility.</description><identifier>ISSN: 0021-891X</identifier><identifier>EISSN: 1572-8838</identifier><identifier>DOI: 10.1007/s10800-011-0296-x</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>CHEMICAL ANALYSIS ; Chemistry ; Chemistry and Materials Science ; COMPOSITES ; Copper ; Couples ; Displays ; Electrochemistry ; Electrodes ; Graphite ; Industrial Chemistry/Chemical Engineering ; Original Paper ; PHOSPHATES ; Physical Chemistry ; Standard deviation ; Titanium</subject><ispartof>Journal of applied electrochemistry, 2011-07, Vol.41 (7), p.787-793</ispartof><rights>Springer Science+Business Media B.V. 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c321t-f9aff7be6c236e9a68637e01a3f50c7d9d64e7d231fe75b751cb5dbe47659ac53</citedby><cites>FETCH-LOGICAL-c321t-f9aff7be6c236e9a68637e01a3f50c7d9d64e7d231fe75b751cb5dbe47659ac53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10800-011-0296-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10800-011-0296-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Pipi, Angelo Ricardo Fávaro</creatorcontrib><creatorcontrib>do Carmo, Devaney Ribeiro</creatorcontrib><title>Voltammetric studies of titanium (IV) phosphate modified with copper hexacyanoferrate and electroanalytical determination of N-acetylcysteine</title><title>Journal of applied electrochemistry</title><addtitle>J Appl Electrochem</addtitle><description>Titanium (IV) Phosphate copper hexacyanoferrate composite (TiPhCuHCF) was prepared using a new methodology for the synthesis. A preliminary characterization of the precursor and resulting materials was defined using spectroscopic and chemical techniques. The cyclic voltammogram of the modified electrode containing TiPhCuHCF exhibited two redox couples. The first and second redox couples present a formal potential (
E
θ′
) of 0.18 and 0.76 V and were ascribed to the Cu
+/
Cu
2+
(
E
θ′
)
1
and Fe
2+
(CN)
6
/Fe
3+
(CN)
6
(
E
θ′
)
2
processes, respectively. In a preliminary study, the peak located at 0.76 V displays a sensitive response to
N
-acetylcysteine. The modified graphite paste electrode showed a linear range from 1.0 × 10
−5
to 7.0 × 10
−4
mol L
−1
for the determination of
N
-acetylcysteine with a limit detection of 6.96 × 10
−5
mol L
−1
and relative standard deviation of ± 5% (
n
= 3) and amperometric sensitivity of 24.79 × 10
−3
A mol L
−1
. The modified electrode was electrochemically stable and showed good reproducibility.</description><subject>CHEMICAL ANALYSIS</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>COMPOSITES</subject><subject>Copper</subject><subject>Couples</subject><subject>Displays</subject><subject>Electrochemistry</subject><subject>Electrodes</subject><subject>Graphite</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Original Paper</subject><subject>PHOSPHATES</subject><subject>Physical Chemistry</subject><subject>Standard deviation</subject><subject>Titanium</subject><issn>0021-891X</issn><issn>1572-8838</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kMFu3CAURVGVSp2k_YDuWCYLWjBjsJdVlLSRomaTRt2hN_DoENngAFbGH9F_rkfTdVZvc8590iHks-BfBOf6axG845xxIRhvesUO78hGtLphXSe7M7LhvBGs68XvD-S8lGfOed-o7Yb8fUpDhXHEmoOlpc4uYKHJ0xoqxDCP9PLu6YpO-1SmPVSkY3LBB3T0NdQ9tWmaMNM9HsAuEJPHnI8UREdxQFtzggjDUoOFgTqsmMcQoYYUj09-MrBYl8EupWKI-JG89zAU_PT_XpBftzeP1z_Y_cP3u-tv98zKRlTme_Be71DZRirsQXVKauQCpG-51a53aovaNVJ41O1Ot8LuWrfDrVZtD7aVF-TytDvl9DJjqWYMxeIwQMQ0FyOUFrKX7VauqDihNqdSMnoz5TBCXozg5pjenNKbNb05pjeH1WlOTlnZ-AezeU5zXjuUN6R_S8iL5A</recordid><startdate>20110701</startdate><enddate>20110701</enddate><creator>Pipi, Angelo Ricardo Fávaro</creator><creator>do Carmo, Devaney Ribeiro</creator><general>Springer Netherlands</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20110701</creationdate><title>Voltammetric studies of titanium (IV) phosphate modified with copper hexacyanoferrate and electroanalytical determination of N-acetylcysteine</title><author>Pipi, Angelo Ricardo Fávaro ; do Carmo, Devaney Ribeiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c321t-f9aff7be6c236e9a68637e01a3f50c7d9d64e7d231fe75b751cb5dbe47659ac53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>CHEMICAL ANALYSIS</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>COMPOSITES</topic><topic>Copper</topic><topic>Couples</topic><topic>Displays</topic><topic>Electrochemistry</topic><topic>Electrodes</topic><topic>Graphite</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Original Paper</topic><topic>PHOSPHATES</topic><topic>Physical Chemistry</topic><topic>Standard deviation</topic><topic>Titanium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pipi, Angelo Ricardo Fávaro</creatorcontrib><creatorcontrib>do Carmo, Devaney Ribeiro</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied electrochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pipi, Angelo Ricardo Fávaro</au><au>do Carmo, Devaney Ribeiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Voltammetric studies of titanium (IV) phosphate modified with copper hexacyanoferrate and electroanalytical determination of N-acetylcysteine</atitle><jtitle>Journal of applied electrochemistry</jtitle><stitle>J Appl Electrochem</stitle><date>2011-07-01</date><risdate>2011</risdate><volume>41</volume><issue>7</issue><spage>787</spage><epage>793</epage><pages>787-793</pages><issn>0021-891X</issn><eissn>1572-8838</eissn><abstract>Titanium (IV) Phosphate copper hexacyanoferrate composite (TiPhCuHCF) was prepared using a new methodology for the synthesis. A preliminary characterization of the precursor and resulting materials was defined using spectroscopic and chemical techniques. The cyclic voltammogram of the modified electrode containing TiPhCuHCF exhibited two redox couples. The first and second redox couples present a formal potential (
E
θ′
) of 0.18 and 0.76 V and were ascribed to the Cu
+/
Cu
2+
(
E
θ′
)
1
and Fe
2+
(CN)
6
/Fe
3+
(CN)
6
(
E
θ′
)
2
processes, respectively. In a preliminary study, the peak located at 0.76 V displays a sensitive response to
N
-acetylcysteine. The modified graphite paste electrode showed a linear range from 1.0 × 10
−5
to 7.0 × 10
−4
mol L
−1
for the determination of
N
-acetylcysteine with a limit detection of 6.96 × 10
−5
mol L
−1
and relative standard deviation of ± 5% (
n
= 3) and amperometric sensitivity of 24.79 × 10
−3
A mol L
−1
. The modified electrode was electrochemically stable and showed good reproducibility.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10800-011-0296-x</doi><tpages>7</tpages></addata></record> |
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| subjects | CHEMICAL ANALYSIS Chemistry Chemistry and Materials Science COMPOSITES Copper Couples Displays Electrochemistry Electrodes Graphite Industrial Chemistry/Chemical Engineering Original Paper PHOSPHATES Physical Chemistry Standard deviation Titanium |
| title | Voltammetric studies of titanium (IV) phosphate modified with copper hexacyanoferrate and electroanalytical determination of N-acetylcysteine |
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