Detection method for content of sulfur element in silicon-steel grade magnesium oxide
The invention discloses a detection method for the content of a sulfur element in silicon-steel grade magnesium oxide, and belongs to the field of method for analysis of the element content in steel. The detection method comprises the following steps of porcelain crucible drying, instrument paramete...
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| creator | JIA LIHUI CUI JUN YANG HONG CHEN GAOLI LIU LIRONG SHEN KE GU BINGPING HU TAO LIU KAI |
| description | The invention discloses a detection method for the content of a sulfur element in silicon-steel grade magnesium oxide, and belongs to the field of method for analysis of the element content in steel. The detection method comprises the following steps of porcelain crucible drying, instrument parameter setting, instrument calibration, sample processing and sample measurement, wherein the key step process comprises that the high frequency combustion power of an infrared sulfur carbon instrument is set to be 1.5-5.0 kW, the oxygen purity is more than or equal to 99.5%, the oxygen flow rate is 2-5 L/min, the analysis time is 30-50 s, the sweeping time interval is 3-7 times, and the comparison level is 0.01-0.03. At the same time, after a nickel capsule is adopted for wrapping a sample, the sample is placed in an analysis chamber and combusted, the sample can be guaranteed to be combusted fully, and thus the measurement error is reduced. The detection method is used for determination and analysis on the sulfur elem |
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The detection method comprises the following steps of porcelain crucible drying, instrument parameter setting, instrument calibration, sample processing and sample measurement, wherein the key step process comprises that the high frequency combustion power of an infrared sulfur carbon instrument is set to be 1.5-5.0 kW, the oxygen purity is more than or equal to 99.5%, the oxygen flow rate is 2-5 L/min, the analysis time is 30-50 s, the sweeping time interval is 3-7 times, and the comparison level is 0.01-0.03. At the same time, after a nickel capsule is adopted for wrapping a sample, the sample is placed in an analysis chamber and combusted, the sample can be guaranteed to be combusted fully, and thus the measurement error is reduced. The detection method is used for determination and analysis on the sulfur elem</description><language>chi ; eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170118&DB=EPODOC&CC=CN&NR=106338485A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170118&DB=EPODOC&CC=CN&NR=106338485A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JIA LIHUI</creatorcontrib><creatorcontrib>CUI JUN</creatorcontrib><creatorcontrib>YANG HONG</creatorcontrib><creatorcontrib>CHEN GAOLI</creatorcontrib><creatorcontrib>LIU LIRONG</creatorcontrib><creatorcontrib>SHEN KE</creatorcontrib><creatorcontrib>GU BINGPING</creatorcontrib><creatorcontrib>HU TAO</creatorcontrib><creatorcontrib>LIU KAI</creatorcontrib><title>Detection method for content of sulfur element in silicon-steel grade magnesium oxide</title><description>The invention discloses a detection method for the content of a sulfur element in silicon-steel grade magnesium oxide, and belongs to the field of method for analysis of the element content in steel. The detection method comprises the following steps of porcelain crucible drying, instrument parameter setting, instrument calibration, sample processing and sample measurement, wherein the key step process comprises that the high frequency combustion power of an infrared sulfur carbon instrument is set to be 1.5-5.0 kW, the oxygen purity is more than or equal to 99.5%, the oxygen flow rate is 2-5 L/min, the analysis time is 30-50 s, the sweeping time interval is 3-7 times, and the comparison level is 0.01-0.03. At the same time, after a nickel capsule is adopted for wrapping a sample, the sample is placed in an analysis chamber and combusted, the sample can be guaranteed to be combusted fully, and thus the measurement error is reduced. 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The detection method comprises the following steps of porcelain crucible drying, instrument parameter setting, instrument calibration, sample processing and sample measurement, wherein the key step process comprises that the high frequency combustion power of an infrared sulfur carbon instrument is set to be 1.5-5.0 kW, the oxygen purity is more than or equal to 99.5%, the oxygen flow rate is 2-5 L/min, the analysis time is 30-50 s, the sweeping time interval is 3-7 times, and the comparison level is 0.01-0.03. At the same time, after a nickel capsule is adopted for wrapping a sample, the sample is placed in an analysis chamber and combusted, the sample can be guaranteed to be combusted fully, and thus the measurement error is reduced. The detection method is used for determination and analysis on the sulfur elem</abstract><oa>free_for_read</oa></addata></record> |
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| title | Detection method for content of sulfur element in silicon-steel grade magnesium oxide |
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