Determination of halogens and sulfur in high-purity polyimide by IC after digestion by MIC
In this work, a method for sample preparation of high-purity polyimide was proposed for halogens and sulfur determination by ion chromatography (IC) with conductivity detection and, alternatively, by inductively coupled plasma mass spectrometry (ICP-MS). A relatively high polyimide mass (600mg) was...
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| Veröffentlicht in: | Talanta (Oxford) 2016-09, Vol.158, p.193-197 |
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| creator | Krzyzaniak, Sindy R. Santos, Rafael F. Dalla Nora, Flavia M. Cruz, Sandra M. Flores, Erico M.M. Mello, Paola A. |
| description | In this work, a method for sample preparation of high-purity polyimide was proposed for halogens and sulfur determination by ion chromatography (IC) with conductivity detection and, alternatively, by inductively coupled plasma mass spectrometry (ICP-MS). A relatively high polyimide mass (600mg) was completely digested by microwave-induced combustion (MIC) using 20bar of O2 and 50mmolL−1 NH4OH as absorbing solution. These conditions allowed final solutions with low carbon content ( |
| doi_str_mv | 10.1016/j.talanta.2016.05.032 |
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[Display omitted]
•Digestion of polyimide for halogens and sulfur determination is proposed for the first time.•Microwave-induced combustion (MIC) was feasible for determination of halogens and sulfur by IC with conductivity detection.•MIC allowed efficient digestion of a high polyimide mass (600mg).•A single sample preparation method for halogens and S was used with a diluted alkaline solution for analytes absorption.•Digests by MIC presented very low carbon content and suitable pH for IC and ICP-MS.</description><identifier>ISSN: 0039-9140</identifier><identifier>EISSN: 1873-3573</identifier><identifier>DOI: 10.1016/j.talanta.2016.05.032</identifier><identifier>PMID: 27343595</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Combustion ; Confidence intervals ; Decomposition ; Halogens ; ICP-MS ; Microwave-induced combustion ; Polyimide ; Polyimide resins ; Recovery ; Sample preparation ; Spikes ; Sulfur</subject><ispartof>Talanta (Oxford), 2016-09, Vol.158, p.193-197</ispartof><rights>2016 The Authors</rights><rights>Copyright © 2016 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c445t-9520fb5be8e65285ca8a607edf768a9854128929ad97590c3af58fc2ea53b9023</citedby><cites>FETCH-LOGICAL-c445t-9520fb5be8e65285ca8a607edf768a9854128929ad97590c3af58fc2ea53b9023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0039914016303460$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27343595$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Krzyzaniak, Sindy R.</creatorcontrib><creatorcontrib>Santos, Rafael F.</creatorcontrib><creatorcontrib>Dalla Nora, Flavia M.</creatorcontrib><creatorcontrib>Cruz, Sandra M.</creatorcontrib><creatorcontrib>Flores, Erico M.M.</creatorcontrib><creatorcontrib>Mello, Paola A.</creatorcontrib><title>Determination of halogens and sulfur in high-purity polyimide by IC after digestion by MIC</title><title>Talanta (Oxford)</title><addtitle>Talanta</addtitle><description>In this work, a method for sample preparation of high-purity polyimide was proposed for halogens and sulfur determination by ion chromatography (IC) with conductivity detection and, alternatively, by inductively coupled plasma mass spectrometry (ICP-MS). A relatively high polyimide mass (600mg) was completely digested by microwave-induced combustion (MIC) using 20bar of O2 and 50mmolL−1 NH4OH as absorbing solution. These conditions allowed final solutions with low carbon content (<10mgL−1) and suitable pH for analysis by both IC and ICP-MS. The accuracy was evaluated using a certified reference material of polymer for Cl, Br and S and spike recovery experiments for all analytes. No statistical difference (t-test, 95% of confidence level) was observed between the results obtained for Cl, Br and S by IC after MIC and the certified values. In addition, spike recoveries obtained for F, Cl, Br, I and S ranged from 94% to 101%. The proposed method was suitable for polyimide decomposition for further determination of halogens and sulfur by IC and by ICP-MS (Br and I only). Taking into account the lack of methods and the difficulty of bringing this material into solution, MIC can be considered as a suitable alternative for the decomposition of polyimide for routine quality control of halogens and sulfur using IC or ICP-MS.
[Display omitted]
•Digestion of polyimide for halogens and sulfur determination is proposed for the first time.•Microwave-induced combustion (MIC) was feasible for determination of halogens and sulfur by IC with conductivity detection.•MIC allowed efficient digestion of a high polyimide mass (600mg).•A single sample preparation method for halogens and S was used with a diluted alkaline solution for analytes absorption.•Digests by MIC presented very low carbon content and suitable pH for IC and ICP-MS.</description><subject>Combustion</subject><subject>Confidence intervals</subject><subject>Decomposition</subject><subject>Halogens</subject><subject>ICP-MS</subject><subject>Microwave-induced combustion</subject><subject>Polyimide</subject><subject>Polyimide resins</subject><subject>Recovery</subject><subject>Sample preparation</subject><subject>Spikes</subject><subject>Sulfur</subject><issn>0039-9140</issn><issn>1873-3573</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkU2P0zAQhi0EYsvCTwD5yCVhYmcS-4RQl49Ki7jAhYvlOOPWVT6KnSD13-OlheueRh498874fRl7XUFZQdW8O5aLHey02FLkZwlYghRP2KZSrSwktvIp2wBIXeiqhhv2IqUjAAgJ8jm7Ea2sJWrcsJ93tFAcw2SXME989vxgh3lPU-J26nlaB79GHiZ-CPtDcVpjWM78NA_nMIaeeHfmuy23PmvwPuwp_VXJ3a-77Uv2zNsh0atrvWU_Pn38vv1S3H_7vNt-uC9cXeNSaBTgO-xIUYNCobPKNtBS79tGWa2wroTSQttet6jBSetReSfIoux0_tEte3vRPcX515pPMGNIjobsDs1rMpWS2ABKgY-jrdZKtqAho3hBXZxTiuTNKYbRxrOpwDwkYI7mmoB5SMAAmpxAnntzXbF2I_X_p_5ZnoH3F4CyJ78DRZNcoMlRHyK5xfRzeGTFH_b2mPU</recordid><startdate>20160901</startdate><enddate>20160901</enddate><creator>Krzyzaniak, Sindy R.</creator><creator>Santos, Rafael F.</creator><creator>Dalla Nora, Flavia M.</creator><creator>Cruz, Sandra M.</creator><creator>Flores, Erico M.M.</creator><creator>Mello, Paola A.</creator><general>Elsevier B.V</general><scope>6I.</scope><scope>AAFTH</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QQ</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20160901</creationdate><title>Determination of halogens and sulfur in high-purity polyimide by IC after digestion by MIC</title><author>Krzyzaniak, Sindy R. ; Santos, Rafael F. ; Dalla Nora, Flavia M. ; Cruz, Sandra M. ; Flores, Erico M.M. ; Mello, Paola A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c445t-9520fb5be8e65285ca8a607edf768a9854128929ad97590c3af58fc2ea53b9023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Combustion</topic><topic>Confidence intervals</topic><topic>Decomposition</topic><topic>Halogens</topic><topic>ICP-MS</topic><topic>Microwave-induced combustion</topic><topic>Polyimide</topic><topic>Polyimide resins</topic><topic>Recovery</topic><topic>Sample preparation</topic><topic>Spikes</topic><topic>Sulfur</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Krzyzaniak, Sindy R.</creatorcontrib><creatorcontrib>Santos, Rafael F.</creatorcontrib><creatorcontrib>Dalla Nora, Flavia M.</creatorcontrib><creatorcontrib>Cruz, Sandra M.</creatorcontrib><creatorcontrib>Flores, Erico M.M.</creatorcontrib><creatorcontrib>Mello, Paola A.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Talanta (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Krzyzaniak, Sindy R.</au><au>Santos, Rafael F.</au><au>Dalla Nora, Flavia M.</au><au>Cruz, Sandra M.</au><au>Flores, Erico M.M.</au><au>Mello, Paola A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determination of halogens and sulfur in high-purity polyimide by IC after digestion by MIC</atitle><jtitle>Talanta (Oxford)</jtitle><addtitle>Talanta</addtitle><date>2016-09-01</date><risdate>2016</risdate><volume>158</volume><spage>193</spage><epage>197</epage><pages>193-197</pages><issn>0039-9140</issn><eissn>1873-3573</eissn><abstract>In this work, a method for sample preparation of high-purity polyimide was proposed for halogens and sulfur determination by ion chromatography (IC) with conductivity detection and, alternatively, by inductively coupled plasma mass spectrometry (ICP-MS). A relatively high polyimide mass (600mg) was completely digested by microwave-induced combustion (MIC) using 20bar of O2 and 50mmolL−1 NH4OH as absorbing solution. These conditions allowed final solutions with low carbon content (<10mgL−1) and suitable pH for analysis by both IC and ICP-MS. The accuracy was evaluated using a certified reference material of polymer for Cl, Br and S and spike recovery experiments for all analytes. No statistical difference (t-test, 95% of confidence level) was observed between the results obtained for Cl, Br and S by IC after MIC and the certified values. In addition, spike recoveries obtained for F, Cl, Br, I and S ranged from 94% to 101%. The proposed method was suitable for polyimide decomposition for further determination of halogens and sulfur by IC and by ICP-MS (Br and I only). Taking into account the lack of methods and the difficulty of bringing this material into solution, MIC can be considered as a suitable alternative for the decomposition of polyimide for routine quality control of halogens and sulfur using IC or ICP-MS.
[Display omitted]
•Digestion of polyimide for halogens and sulfur determination is proposed for the first time.•Microwave-induced combustion (MIC) was feasible for determination of halogens and sulfur by IC with conductivity detection.•MIC allowed efficient digestion of a high polyimide mass (600mg).•A single sample preparation method for halogens and S was used with a diluted alkaline solution for analytes absorption.•Digests by MIC presented very low carbon content and suitable pH for IC and ICP-MS.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>27343595</pmid><doi>10.1016/j.talanta.2016.05.032</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Combustion Confidence intervals Decomposition Halogens ICP-MS Microwave-induced combustion Polyimide Polyimide resins Recovery Sample preparation Spikes Sulfur |
| title | Determination of halogens and sulfur in high-purity polyimide by IC after digestion by MIC |
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