Article(id=1156668076386018173, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156668069717070592, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753700759263, onlineDateStr=2025-07-28, pubDate=1730995200000, pubDateStr=2024-11-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753700759263, onlineIssueDateStr=2025-07-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753700759263, creator=13701087609, updateTime=1753700759263, updator=13701087609, issue=Issue{id=1156668069717070592, tenantId=1146029695717560320, journalId=1146119944283992078, year='2024', volume='2', issue='11', pageStart='1', pageEnd='172', issueExtLink='null', onlineDate='null', pubDate='1730995200000', pubDateStr='2024-11-08', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1753700757674, creator='13701087609', updateTime=1753750130111, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1156875152794411009, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156668069717070592, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156875152798605314, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156668069717070592, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=42, endPage=43, ext={EN=ArticleExt(id=1156668077732389766, articleId=1156668076386018173, tenantId=1146029695717560320, journalId=1146119944283992078, language=EN, title=Improvement of the method for determining free silicon dioxide content in dust by silicon carbide constant temperature heating pyrophosphoric acid method, columnId=1156641065621906129, journalTitle=Laboratory Testing, columnName=Innovative Applications, runingTitle=null, highlight=null, articleAbstract=
Objective To improve the determination of free silica content in dust by pyrophosphoric acid heated by silicon carbide in order to ensure the accuracy of detection. Methods Analyze the influencing factors and controls during the experimental process, including the determination of dust sample composition, sample processing, preparation of pyrophosphate, control of heating temperature, hot filtration, ashing and weighing. Results By controlling and improving the influencing factors during the experimental process, measurement errors can be effectively avoided. Conclusion The importance of determining the characteristics of dust samples during the measurement process lies not only in the preparation of pyrophosphate and strict temperature control, but also in the accuracy of data analysis for quality control sample analysis.
, authors=null, authorsList=Ye XUN, authorCompany=null, correspAuthors=Ye XUN, authorNote=null, correspAuthorsNote=
*XUN Ye, Deputy Chief Technician, Jianhu County Center for Disease Control and Prevention, Yancheng 224700, China. E-mail:
402665617@qq.com , 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=1156668077979853703, articleId=1156668076386018173, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=碳化硅恒温加热焦磷酸法测定粉尘中游离二氧化硅含量的方法改进, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=
目的 改进碳化硅加热焦磷酸法测定粉尘中游离二氧化硅含量的方法,以保障检测的准确性。方法 对实验过程中的影响因素和控制,掌握好粉尘样品成分判定、样品处理、焦磷酸制备、加热温度的控制、趁热过滤、灰化称重等环节进行分析。结果 通过对实验过程中影响因素的控制和改进,可以有效避免测定误差。结论 在测定过程中对粉尘样品的性状判定的重要性同时在焦磷酸的制备和严格的温度控制,对质量控制样品分析得到数据分析的准确性。
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*, address=建湖县疾病预防控制中心 盐城 224700, bio={"content":"
荀晔,副主任技师,主要研究方向为卫生理化检验。
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荀晔,副主任技师,主要研究方向为卫生理化检验。
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Silicon carbide constant temperature heating plate heating and temperature control, figureFileSmall=null, figureFileBig=null, tableContent=
| 电热板显示读数 $\left({{}^{\circ }\mathrm{C}}\right)$ | 100 | 150 | 200 | 250 | 270 | 300 | 320 | 325 | 329 | 336 | 339 | 339 | 339 | 340 | 340 | 340 | 340 |
| 焦磷酸溶液测量值(℃) | 38 | 44 | 68 | 104 | 110 | 166 | 176 | 190 | 220 | 220 | 230 | 236 | 240 | 246 | 248 | 250 | 252 |
| 升温时间(min) | 7 | 10 | 14 | 20 | 23 | 26 | 33 | 38 | 40 | 45 | 49 | 51 | 54 | 57 | 58 | 61 | 63 |
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| 电热板显示读数 $\left({{}^{\circ }\mathrm{C}}\right)$ | 100 | 150 | 200 | 250 | 270 | 300 | 320 | 325 | 329 | 336 | 339 | 339 | 339 | 340 | 340 | 340 | 340 |
| 焦磷酸溶液测量值(℃) | 38 | 44 | 68 | 104 | 110 | 166 | 176 | 190 | 220 | 220 | 230 | 236 | 240 | 246 | 248 | 250 | 252 |
| 升温时间(min) | 7 | 10 | 14 | 20 | 23 | 26 | 33 | 38 | 40 | 45 | 49 | 51 | 54 | 57 | 58 | 61 | 63 |
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