A quantitative analysis of a trace amount of hydrogen in high temperature heat-treated carbons
A technique to determine a trace amount of hydrogen in carbon materials heat-treated above 1000°C was developed. Three types of carbons prepared from poly(furfulyl alcohol), poly(vinyl chloride) and mesophase carbon microbeads were heat-treated at various temperatures ranging from 1000 to 1800°C. Th...
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| Veröffentlicht in: | Carbon (New York) 2012-08, Vol.50 (9), p.3310-3314 |
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| container_title | Carbon (New York) |
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| creator | Kashihara, Susumu Otani, Shoji Orikasa, Hironori Hoshikawa, Yasuto Ozaki, Jun-ichi Kyotani, Takashi |
| description | A technique to determine a trace amount of hydrogen in carbon materials heat-treated above 1000°C was developed. Three types of carbons prepared from poly(furfulyl alcohol), poly(vinyl chloride) and mesophase carbon microbeads were heat-treated at various temperatures ranging from 1000 to 1800°C. Then they were gasified by O2 in a fixed bed flow reactor, and the H2O gases formed during the gasification processes were carefully monitored with a Karl Fischer moisture analyzer. As a result, this method makes it possible to determine the hydrogen contents in the carbons down to three places of decimals as a weight percent and can detect even a trace amount of hydrogen as low as 0.002wt.%. A possible chemical structure of carbon edge sites was also discussed based on the experimentally determined hydrogen contents. |
| doi_str_mv | 10.1016/j.carbon.2011.12.029 |
| format | Article |
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Three types of carbons prepared from poly(furfulyl alcohol), poly(vinyl chloride) and mesophase carbon microbeads were heat-treated at various temperatures ranging from 1000 to 1800°C. Then they were gasified by O2 in a fixed bed flow reactor, and the H2O gases formed during the gasification processes were carefully monitored with a Karl Fischer moisture analyzer. As a result, this method makes it possible to determine the hydrogen contents in the carbons down to three places of decimals as a weight percent and can detect even a trace amount of hydrogen as low as 0.002wt.%. 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A possible chemical structure of carbon edge sites was also discussed based on the experimentally determined hydrogen contents.</description><subject>Carbon</subject><subject>Chlorides</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Fullerenes and related materials; diamonds, graphite</subject><subject>Heat treatment</subject><subject>Materials science</subject><subject>Mesophase</subject><subject>Microorganisms</subject><subject>Moisture</subject><subject>Physics</subject><subject>Quantitative analysis</subject><subject>Reactors</subject><subject>Specific materials</subject><issn>0008-6223</issn><issn>1873-3891</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp9kE2L2zAQhkVpoWm6_6AHXQp7sasv2_JlIYRttxDopb2ukKVRouDIWUkO5N9Xwcsel4EZZnjm60XoGyU1JbT9cayNjsMUakYorSmrCes_oBWVHa-47OlHtCKEyKpljH9GX1I6llRIKlboeYNfZh2yzzr7C2Ad9HhNPuHJYY1z1KbUTtMc8q1yuNo47SFgH_DB7w84w-kMUec5Aj6AzlWOxYPFy0HpK_rk9Jjg7jWu0b-fj3-3T9Xuz6_f282uMqJjuTIAPWOOSCBSWNrKhpjGOd0PEmAYqKWitw13tpfOtg0XfChGaOfaoSOG8TW6X-ae4_QyQ8rq5JOBcdQBpjkpSrhkom9JW1CxoCZOKUVw6hz9ScdrgdRNTnVUy_XqJqeiTBU5S9v31w06GT26qIPx6a2XNbLnregK97BwUN69eIgqGQ_BgPURTFZ28u8v-g8l2I35</recordid><startdate>20120801</startdate><enddate>20120801</enddate><creator>Kashihara, Susumu</creator><creator>Otani, Shoji</creator><creator>Orikasa, Hironori</creator><creator>Hoshikawa, Yasuto</creator><creator>Ozaki, Jun-ichi</creator><creator>Kyotani, Takashi</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20120801</creationdate><title>A quantitative analysis of a trace amount of hydrogen in high temperature heat-treated carbons</title><author>Kashihara, Susumu ; Otani, Shoji ; Orikasa, Hironori ; Hoshikawa, Yasuto ; Ozaki, Jun-ichi ; Kyotani, Takashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c472t-cee922f08e084d16850c5ffa9b8eebb1d149d53fd98fd65343b3b3017f6b70c23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Carbon</topic><topic>Chlorides</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Fullerenes and related materials; diamonds, graphite</topic><topic>Heat treatment</topic><topic>Materials science</topic><topic>Mesophase</topic><topic>Microorganisms</topic><topic>Moisture</topic><topic>Physics</topic><topic>Quantitative analysis</topic><topic>Reactors</topic><topic>Specific materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kashihara, Susumu</creatorcontrib><creatorcontrib>Otani, Shoji</creatorcontrib><creatorcontrib>Orikasa, Hironori</creatorcontrib><creatorcontrib>Hoshikawa, Yasuto</creatorcontrib><creatorcontrib>Ozaki, Jun-ichi</creatorcontrib><creatorcontrib>Kyotani, Takashi</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Carbon (New York)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kashihara, Susumu</au><au>Otani, Shoji</au><au>Orikasa, Hironori</au><au>Hoshikawa, Yasuto</au><au>Ozaki, Jun-ichi</au><au>Kyotani, Takashi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A quantitative analysis of a trace amount of hydrogen in high temperature heat-treated carbons</atitle><jtitle>Carbon (New York)</jtitle><date>2012-08-01</date><risdate>2012</risdate><volume>50</volume><issue>9</issue><spage>3310</spage><epage>3314</epage><pages>3310-3314</pages><issn>0008-6223</issn><eissn>1873-3891</eissn><coden>CRBNAH</coden><abstract>A technique to determine a trace amount of hydrogen in carbon materials heat-treated above 1000°C was developed. 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| source | Access via ScienceDirect (Elsevier) |
| subjects | Carbon Chlorides Cross-disciplinary physics: materials science rheology Exact sciences and technology Fullerenes and related materials diamonds, graphite Heat treatment Materials science Mesophase Microorganisms Moisture Physics Quantitative analysis Reactors Specific materials |
| title | A quantitative analysis of a trace amount of hydrogen in high temperature heat-treated carbons |
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