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In the paper, it is introduced the content of silicon carbide in warming agent was determined with the combustion gas volumetric method by burning the sample at about 800 ℃ to remove the free carbon, dissolving carbonate with acid, filtration and washing. The determination conditions such as the temperatures of starting decomposition and complete decomposition for silicon carbide, preheating time and selection of sample weights are discussed as well as the optimum working conditions are found out. The measurement range of content of silicon carbide with this method was 1.00%~45.00%. 11 times of determination were carried out with 4 types of warming agent samples and the relative standard deviation (RSD) were 0.952%, 0.446%, 0.590% and 0.490% respectively. Compared with other methods, the results were the same.

, authors=Yan-rong Lu, Su-lan Zhang, Chun-ling Zhou, authorsList=Yan-rong Lu, Su-lan Zhang, Chun-ling Zhou, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319265384696496819, articleId=1319265384188986033, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=酸溶-燃烧气体容量法测定提温剂中碳化硅, columnId=1185887584472417142, journalTitle=包钢科技, columnName=品种质量与试验研究, runingTitle=null, highlight=null, articleAbstract=

将试样在800℃左右灼烧除去游离碳,经酸溶解碳酸盐,过滤、洗涤后以燃烧-气体容量法测定提温剂中碳化硅含量w(SiC)。对测定条件如碳化硅开始分解温度、碳化硅完全分解温度、预热时间及称样量的选择进行了探讨,并选出最佳工作条件。确定本方法的测定范围:w(SiC)在1.00%~45.00%。用本方法分别对4类提温剂样品进行11次测定,其相对标准偏差(RSD)分别为0.952%、0.446%、0.590%、0.490%。本方法与其它方法对照,结果一致。

, authors=卢艳蓉, 张素兰, 周春玲, authorsList=卢艳蓉, 张素兰, 周春玲, authorCompany=null, correspAuthors=null, authorNote=

卢艳蓉(1972-),女,内蒙古包头市人,高级工程师,主要从事钢铁及原辅料中元素分析工作。

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卢艳蓉(1972-),女,内蒙古包头市人,高级工程师,主要从事钢铁及原辅料中元素分析工作。

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卢艳蓉(1972-),女,内蒙古包头市人,高级工程师,主要从事钢铁及原辅料中元素分析工作。

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酸溶-燃烧气体容量法测定提温剂中碳化硅
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卢艳蓉 , 张素兰 , 周春玲
包钢科技 | 品种质量与试验研究 2018,44(5): 75-78
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包钢科技 |品种质量与试验研究 2018 , 44 (5) : 75 -78
酸溶-燃烧气体容量法测定提温剂中碳化硅
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卢艳蓉, 张素兰, 周春玲
作者信息
  • 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
作者简介:

卢艳蓉(1972-),女,内蒙古包头市人,高级工程师,主要从事钢铁及原辅料中元素分析工作。

Determine Silicon Carbide in Warming Agent with Acid Dissolution-Combustion Gas Volumetric Method
Yan-rong Lu, Su-lan Zhang, Chun-ling Zhou
Affiliations
  • Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2018-10-25 doi: 10.13647/j.cnki.btgkj.2018.05.021
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将试样在800℃左右灼烧除去游离碳,经酸溶解碳酸盐,过滤、洗涤后以燃烧-气体容量法测定提温剂中碳化硅含量w(SiC)。对测定条件如碳化硅开始分解温度、碳化硅完全分解温度、预热时间及称样量的选择进行了探讨,并选出最佳工作条件。确定本方法的测定范围:w(SiC)在1.00%~45.00%。用本方法分别对4类提温剂样品进行11次测定,其相对标准偏差(RSD)分别为0.952%、0.446%、0.590%、0.490%。本方法与其它方法对照,结果一致。

燃烧气体容量法  /  提温剂  /  碳化硅  /  分解温度  /  测定

In the paper, it is introduced the content of silicon carbide in warming agent was determined with the combustion gas volumetric method by burning the sample at about 800 ℃ to remove the free carbon, dissolving carbonate with acid, filtration and washing. The determination conditions such as the temperatures of starting decomposition and complete decomposition for silicon carbide, preheating time and selection of sample weights are discussed as well as the optimum working conditions are found out. The measurement range of content of silicon carbide with this method was 1.00%~45.00%. 11 times of determination were carried out with 4 types of warming agent samples and the relative standard deviation (RSD) were 0.952%, 0.446%, 0.590% and 0.490% respectively. Compared with other methods, the results were the same.

combustion gas volumetric method  /  warming agent  /  silicon carbide  /  decomposition temperature  /  determine
卢艳蓉, 张素兰, 周春玲. 酸溶-燃烧气体容量法测定提温剂中碳化硅. 包钢科技, 2018 , 44 (5) : 75 -78 . DOI: 10.13647/j.cnki.btgkj.2018.05.021
Yan-rong Lu, Su-lan Zhang, Chun-ling Zhou. Determine Silicon Carbide in Warming Agent with Acid Dissolution-Combustion Gas Volumetric Method[J]. Science & Technology of Baotou Steel, 2018 , 44 (5) : 75 -78 . DOI: 10.13647/j.cnki.btgkj.2018.05.021

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doi: 10.13647/j.cnki.btgkj.2018.05.021
  • 接收时间:2018-01-12
  • 首发时间:2026-10-20
  • 出版时间:2018-10-25
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  • 收稿日期:2018-01-12
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    内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
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2种不同金属材料的力学参数
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Percentage of
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属
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species
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Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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