Article(id=1321834229172912224, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321834228648624224, articleNumber=null, orderNo=null, doi=10.3724/SP.J.1123.2025.11005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1762704000000, receivedDateStr=2025-11-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793079438726, onlineDateStr=2026-10-27, pubDate=1783440000000, pubDateStr=2026-07-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793079438726, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793079438726, creator=13701087609, updateTime=1793079438726, updator=13701087609, issue=Issue{id=1321834228648624224, tenantId=1146029695717560320, journalId=1283840372199657495, year='2026', volume='44', issue='7', pageStart='731', pageEnd='842', issueExtLink='null', onlineDate='null', pubDate='1783440000000', pubDateStr='2026-07-08', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1793079438602, creator='13701087609', updateTime=1793079811822, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321835794122261376, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321834228648624224, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321835794122261377, tenantId=1146029695717560320, journalId=1283840372199657495, issueId=1321834228648624224, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=827, endPage=833, ext={EN=ArticleExt(id=1321834229386821729, articleId=1321834229172912224, tenantId=1146029695717560320, journalId=1283840372199657495, language=EN, title=Innovative undergraduate teaching practice integrating MassWorks mass spectrometry analysis technology with gas chromatography-low resolution mass spectrometry, columnId=1284557520073110421, journalTitle=Chinese Journal of Chromatography, columnName=Teaching Research, runingTitle=null, highlight=null, articleAbstract=
Mass spectrometry professionals are in short supply industry-wide. Undergraduate teaching has bottlenecks: limited instrumentation, weak qualitative skills and abstract theoretical concepts. We report an innovative pedagogy coupling conventional gas chromatography-mass spectrometry (GC-MS) with the MassWorksTM software suite. A 14-component fragrance standard mixture was employed to design an experiment spanning the entire workflow separation, detection, exact-mass measurement, isotopic-pattern matching, molecular-formula assignment, structural elucidation. By exploiting the software’s dual-calibration algorithms for exact-mass and isotopic-profile refinement, the mass accuracy and qualitative reliability of GC-low resolution MS data were dramatically enhanced. The practical results show that this method improves the quality accuracy of MS data by 100 times, controls the mass deviation within |Δm|≤10 mDa, achieves an accuracy of over 98% in isotope spectra, and provides accurate and reliable qualitative results. The teaching effect is significant. Through the closed-loop training of theoretical analysis, software application, and practical verification, students’ scientific research thinking, data analysis ability, and innovative ability to solve complex problems have been effectively improved. This provides a replicable and scalable effective paradigm for improving the quality of instrument analysis teaching under limited resource conditions.
, authors=Zhenxing LI
1, 2, Yu’an SUN
1, *, Bin LI
3, Wenhao YU
2, Weimin OUYANG
3, Yachang XU
1, Kuan TIAN
1, Jianbo ZHAO
1, authorsList=Zhenxing LI, Yu’an SUN, Bin LI, Wenhao YU, Weimin OUYANG, Yachang XU, Kuan TIAN, Jianbo ZHAO, authorCompany=null, correspAuthors=Yu’an SUN, 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=1321834232188616810, articleId=1321834229172912224, tenantId=1146029695717560320, journalId=1283840372199657495, language=CN, title=融合MassWorks质谱解析技术与气相色谱-低分辨质谱法的本科教学创新实践, columnId=1284557520232493975, journalTitle=色谱, columnName=教学研究, runingTitle=null, highlight=null, articleAbstract=
针对质谱应用人才短缺的行业现状与本科教学中仪器资源有限、学生定性能力薄弱、原理理解困难等瓶颈,开展了一项基于常规气相色谱-质谱法与MassWorks专业质谱解析软件相结合的教学改革实践。以14种香料混合标准品为分析对象,实验设计覆盖分离、检测、精确质量测定、同位素分布匹配、分子式识别、结构解析全流程,借助软件的精确质量校准与同位素峰形校准双校正技术,显著提升了低分辨质谱数据的质量精度与定性可靠性。实践结果显示,该方法使质谱数据质量精度提升100倍,质量偏差控制在|Δm|≤10 mDa,同位素谱图准确度达98%以上,定性结果准确可靠,教学成效显著。通过理论解析、软件应用、实践验证的闭环训练,有效培养了学生的科研思维、数据分析能力及解决复杂问题的创新能力,为在有限资源条件下提升仪器分析教学质量提供了可复制、可推广的有效范式。
, authors=李振兴
1, 2, 孙雨安
1, *, 李斌
3, 于文浩
2, 欧阳伟民
3, 徐雅畅
1, 田宽
1, 赵建波
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1Zhengzhou University of Light Industry, Zhengzhou 450001, China), AuthorCompanyExt(id=1321834232566104173, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232524161131, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1郑州轻工业大学, 河南 郑州 450001)])]), Author(id=1321834236848488601, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, orderNo=7, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321834237007872155, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, authorId=1321834236848488601, language=EN, stringName=Jianbo ZHAO, firstName=Jianbo, middleName=null, lastName=ZHAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1Zhengzhou University of Light Industry, Zhengzhou 450001, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321834237125312668, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, authorId=1321834236848488601, language=CN, stringName=赵建波, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1郑州轻工业大学, 河南 郑州 450001, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1321834232524161131, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, xref=1, ext=[AuthorCompanyExt(id=1321834232540938348, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232524161131, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Zhengzhou University of Light Industry, Zhengzhou 450001, China), AuthorCompanyExt(id=1321834232566104173, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232524161131, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1郑州轻工业大学, 河南 郑州 450001)])])], keywords=[Keyword(id=1321834237343416477, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, orderNo=1, keyword=MassWorks), Keyword(id=1321834237473439902, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, orderNo=2, keyword=gas chromatography-low resolution mass spectrometry), Keyword(id=1321834237561520287, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, orderNo=3, keyword=teaching reform), Keyword(id=1321834237716709536, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, orderNo=4, keyword=molecular formula identification), Keyword(id=1321834237859315873, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, orderNo=5, keyword=accuracy of isotopic spectrum), Keyword(id=1321834237976756386, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, orderNo=1, keyword=MassWorks), Keyword(id=1321834238110974115, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, orderNo=2, keyword=气相色谱-低分辨质谱法), Keyword(id=1321834238278746276, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, orderNo=3, keyword=教学改革), Keyword(id=1321834239990022310, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, orderNo=4, keyword=分子式识别), Keyword(id=1321834240073908391, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, orderNo=5, keyword=同位素谱图准确度)], refs=[Reference(id=1321834241512554679, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2025, volume=43, issue=6, pageStart=650, pageEnd=null, url=null, language=null, rfNumber=1, rfOrder=0, authorNames=Gu C S, Liu Z Z, Jin H L, journalName=Chinese Journal of Chromatography, refType=null, unstructuredReference=
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https://fxxh.cis.org.cn/news/2498.html, articleTitle=2020-2023年中国质谱仪器市场调研简报, refAbstract=null), Reference(id=1321834241957150909, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2023, volume=42, issue=1, pageStart=235, pageEnd=null, url=null, language=null, rfNumber=4, rfOrder=6, authorNames=Zhou L, Li M, Huang Z Q, journalName=Laboratory Research and Exploration, refType=null, unstructuredReference=
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等. 实验室研究与探索,
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42(1): 235, articleTitle=实验室研究与探索, refAbstract=null), Reference(id=1321834242108145855, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2025, volume=15, issue=1, pageStart=1332, pageEnd=null, url=null, language=null, rfNumber=5, rfOrder=8, authorNames=Wei Q, Zhao L, Liu S R, journalName=Advances in Education, refType=null, unstructuredReference=
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等. 教育进展,
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Chinese Journal of Chromatography,
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43(11): 1268, articleTitle=null, refAbstract=null), Reference(id=1321834242334638274, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2025, volume=43, issue=11, pageStart=1268, pageEnd=null, url=null, language=null, rfNumber=6, rfOrder=11, authorNames=徐阳, 姜丽艳, 杨莎莎, journalName=色谱, refType=null, unstructuredReference=徐阳, 姜丽艳, 杨莎莎.
色谱,
2025,
43(11): 1268, articleTitle=null, refAbstract=null), Reference(id=1321834242410135747, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2024, volume=39, issue=11, pageStart=327, pageEnd=null, url=null, language=null, rfNumber=7, rfOrder=12, authorNames=Lin Z A, Jin Y S, journalName=University Chemistry, refType=null, unstructuredReference=
Lin Z A,
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University Chemistry,
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39(11): 327, articleTitle=null, refAbstract=null), Reference(id=1321834242494021828, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2024, volume=39, issue=11, pageStart=327, pageEnd=null, url=null, language=null, rfNumber=7, rfOrder=13, authorNames=林子俺, 靳迎雪, journalName=大学化学, refType=null, unstructuredReference=林子俺, 靳迎雪.
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2024,
39(11): 327, articleTitle=null, refAbstract=null), Reference(id=1321834242561130693, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2025, volume=40, issue=2, pageStart=97, pageEnd=null, url=null, language=null, rfNumber=8, rfOrder=14, authorNames=Shao W, Zhang W Q, Hu W Q, journalName=University Chemistry, refType=null, unstructuredReference=
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等. 大学化学,
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40(2): 97, articleTitle=大学化学, refAbstract=null), Reference(id=1321834242712125639, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2019, volume=6, issue=53, pageStart=62, pageEnd=null, url=null, language=null, rfNumber=9, rfOrder=16, authorNames=Shen Y Q, Sun S X, Chi Q, journalName=Modernization of Education, refType=null, unstructuredReference=
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Modernization of Education,
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等. 教育现代化,
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等. 广东化工,
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51(18): 195, articleTitle=广东化工, refAbstract=null), Reference(id=1321834245140627661, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2025, volume=null, issue=null, pageStart=474, pageEnd=null, url=null, language=null, rfNumber=12, rfOrder=22, authorNames=Adam G, Wang Y D, journalName=Proceedings of the 73rd Annual Conference on Mass Spectrometry in the United States, refType=null, unstructuredReference=
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89(18): 9805, articleTitle=null, refAbstract=null), Reference(id=1321834245539086543, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2010, volume=82, issue=null, pageStart=7055, pageEnd=null, url=null, language=null, rfNumber=14, rfOrder=24, authorNames=Wang Y D, Gu M, journalName=Anal Chem, refType=null, unstructuredReference=
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等. 质谱学报,
2014,
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Modern Instruments,
2010,
16(5): 11, articleTitle=null, refAbstract=null), Reference(id=1321834246331810007, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, doi=null, pmid=null, pmcid=null, year=2010, volume=16, issue=5, pageStart=11, pageEnd=null, url=null, language=null, rfNumber=18, rfOrder=32, authorNames=李卫建, 袁有容, 欧阳伟民, journalName=null, refType=null, unstructuredReference=李卫建, 袁有容, 欧阳伟民,
等. 现代仪器,
2010,
16(5): 11, articleTitle=现代仪器, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1321834232524161131, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, xref=1, ext=[AuthorCompanyExt(id=1321834232540938348, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232524161131, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Zhengzhou University of Light Industry, Zhengzhou 450001, China), AuthorCompanyExt(id=1321834232566104173, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232524161131, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1郑州轻工业大学, 河南 郑州 450001)]), AuthorCompany(id=1321834232704516206, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, xref=2, ext=[AuthorCompanyExt(id=1321834232742264943, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232704516206, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Zhengzhou Qingda Industrial Technology Research Institute Co., Ltd., Zhengzhou 450001, China), AuthorCompanyExt(id=1321834232775819376, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232704516206, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2郑州轻大产业技术研究院有限公司, 河南 郑州 450001)]), AuthorCompany(id=1321834232922620017, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, xref=3, ext=[AuthorCompanyExt(id=1321834232943591538, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232922620017, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Beijing Green Cotton Technology Co., Ltd., Beijing 100080, China), AuthorCompanyExt(id=1321834232977145971, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, companyId=1321834232922620017, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3北京绿绵科技有限公司, 北京 100080)])], figs=[ArticleFig(id=1321834240224903338, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, label=Fig. 1, caption=
Calibration results for selected characteristic fragment ions of perfluorotributylamine, figureFileSmall=cGHltB68m3gBspbXTJXoig==, figureFileBig=ZVlhOU9MGSQGlEIyxMnPUA==, tableContent=null), ArticleFig(id=1321834240443007147, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, label=图1, caption=
全氟三丁胺部分特征碎片离子校正结果a. raw mass spectrum; b. calibrate the mass spectrum; c. centroid plot.
, figureFileSmall=cGHltB68m3gBspbXTJXoig==, figureFileBig=ZVlhOU9MGSQGlEIyxMnPUA==, tableContent=null), ArticleFig(id=1321834240644333741, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, label=Fig.2, caption=
Total ion chromatogram of spice mixture, figureFileSmall=qHFo2HOXcY/5w8e1UpMjDQ==, figureFileBig=YnB+wK6RZi468Gkytg/Gmg==, tableContent=null), ArticleFig(id=1321834240757579950, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, label=图2, caption=
香料混合物的总离子流图Peak identifications:1. isovaleraldehyde; 2. cyclohexanone; 3. ethylvalerate; 4. benzaldehyde; 5. β-pinene; 6. n-decane; 7. D-limonene; 8. linalool; 9. benzyl acetate; 10. menthol; 11. citronellol; 12. geraniol; 13. α-ionone; 14. coumarin.
, figureFileSmall=qHFo2HOXcY/5w8e1UpMjDQ==, figureFileBig=YnB+wK6RZi468Gkytg/Gmg==, tableContent=null), ArticleFig(id=1321834240824688815, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, label=Fig.3, caption=
Accuracy of isotopic spectra for the predicted molecular formula of α-ionone, figureFileSmall=QJZPQA+22mhrHNWzPurv5w==, figureFileBig=P1pNc/X3fLgZhndGTnTTCA==, tableContent=null), ArticleFig(id=1321834240921157808, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, label=图3, caption=
α-紫罗酮对应预测分子式同位素谱图准确度a. mass spectrum of the actual sample; b. predict molecular mass spectrum.
, figureFileSmall=QJZPQA+22mhrHNWzPurv5w==, figureFileBig=P1pNc/X3fLgZhndGTnTTCA==, tableContent=null), ArticleFig(id=1321834240988266673, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, label=Table 1, caption=
Calibration data for the characteristic fragment ions of perfluorotributylamine (PFTBA)
, figureFileSmall=null, figureFileBig=null, tableContent=
| No. | Net formula | Mono isotopic mass | Closest centroid | Δm/mDa | Δm/M (10-6) | Spectral accuracy/% |
|---|
| 1 | CF3+ | 68.9947 | 68.9947 | 0.0057 | 0.1 | 99.8 |
| 2 | C2F5+ | 118.9915 | 118.9915 | 0.0137 | 0.1 | 99.9 |
| 3 | C3F5+ | 130.9915 | 130.9921 | 0.6733 | 5.1 | 99.9 |
| 4 | C3F7+ | 168.9883 | 168.9890 | 0.7392 | 4.4 | 99.8 |
| 5 | C4F9+ | 218.9851 | 218.9869 | 1.7779 | 8.1 | 99.9 |
| 6 | C5F10N+ | 263.9866 | 263.9883 | 1.7355 | 6.6 | 99.9 |
| 7 | C8F16N+ | 413.9770 | 413.9761 | -0.8562 | -2.1 | 99.8 |
), ArticleFig(id=1321834241076347058, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, label=表1, caption=
全氟三丁胺的特征碎片离子校正信息
, figureFileSmall=null, figureFileBig=null, tableContent=
| No. | Net formula | Mono isotopic mass | Closest centroid | Δm/mDa | Δm/M (10-6) | Spectral accuracy/% |
|---|
| 1 | CF3+ | 68.9947 | 68.9947 | 0.0057 | 0.1 | 99.8 |
| 2 | C2F5+ | 118.9915 | 118.9915 | 0.0137 | 0.1 | 99.9 |
| 3 | C3F5+ | 130.9915 | 130.9921 | 0.6733 | 5.1 | 99.9 |
| 4 | C3F7+ | 168.9883 | 168.9890 | 0.7392 | 4.4 | 99.8 |
| 5 | C4F9+ | 218.9851 | 218.9869 | 1.7779 | 8.1 | 99.9 |
| 6 | C5F10N+ | 263.9866 | 263.9883 | 1.7355 | 6.6 | 99.9 |
| 7 | C8F16N+ | 413.9770 | 413.9761 | -0.8562 | -2.1 | 99.8 |
), ArticleFig(id=1321834241189593267, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, label=Table 2, caption=
Molecular formula identification results for fragrance samples after MassWorks calibration
, figureFileSmall=null, figureFileBig=null, tableContent=
| No. | t/min | Compound | Molecular formula | Theoretical quality | Calibration quality | Δm/mDa | Spectral accuracy/% |
|---|
| 1 | 5.95 | isovaleraldehyde | C₅H₁₀O | 86.0726 | 86.0639 | -8.72 | 98.48 |
| 2 | 7.45 | cyclohexanone | C₆H₁₀O | 98.0726 | 98.0793 | 6.68 | 99.43 |
| 3 | 7.62 | ethyl valerate | C₇H₁₄O₂ | 130.0998 | 130.0898 | -9.03 | 98.97 |
| 4 | 9.13 | benzaldehyde | C₇H₆O | 106.0413 | 106.0357 | -5.62 | 98.87 |
| 5 | 9.53 | β-pinene | C₁₀H₁₆ | 136.1247 | 136.1239 | -0.75 | 99.81 |
| 6 | 10.03 | n-decane | C₁₀H₂₂ | 142.1716 | 142.1698 | -1.8 | 99.73 |
| 7 | 10.72 | D-limonene | C₁₀H₁₆ | 136.1247 | 136.1222 | -2.45 | 99.79 |
| 8 | 12.26 | linalool | C₁₀H₁₈O | 154.1352 | 154.1299 | -5.32 | 99.33 |
| 9 | 13.58 | benzyl acetate | C₉H₁₀O₂ | 150.0675 | 150.0758 | 8.27 | 99.66 |
| 10 | 13.78 | menthol | C₁₀H₂₀O | 156.1509 | 156.1282 | -22.67 | 98.43 |
| 11 | 14.74 | citronellol | C₁₀H₂₀O | 156.1509 | 156.1414 | -9.64 | 99.88 |
| 12 | 15.22 | geraniol | C₁₀H₁₈O | 154.1352 | 154.1274 | -7.82 | 99.74 |
| 13 | 18.3 | α-ionone | C₁₃H₂₀O | 192.1509 | 192.1522 | 1.33 | 99.61 |
| 14 | 18.59 | coumarin | C₉H₆O₂ | 146.0362 | 146.0322 | -4.03 | 99.26 |
), ArticleFig(id=1321834241277673652, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, label=表2, caption=
香料样品经MassWorks软件校正后的分子式识别结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| No. | t/min | Compound | Molecular formula | Theoretical quality | Calibration quality | Δm/mDa | Spectral accuracy/% |
|---|
| 1 | 5.95 | isovaleraldehyde | C₅H₁₀O | 86.0726 | 86.0639 | -8.72 | 98.48 |
| 2 | 7.45 | cyclohexanone | C₆H₁₀O | 98.0726 | 98.0793 | 6.68 | 99.43 |
| 3 | 7.62 | ethyl valerate | C₇H₁₄O₂ | 130.0998 | 130.0898 | -9.03 | 98.97 |
| 4 | 9.13 | benzaldehyde | C₇H₆O | 106.0413 | 106.0357 | -5.62 | 98.87 |
| 5 | 9.53 | β-pinene | C₁₀H₁₆ | 136.1247 | 136.1239 | -0.75 | 99.81 |
| 6 | 10.03 | n-decane | C₁₀H₂₂ | 142.1716 | 142.1698 | -1.8 | 99.73 |
| 7 | 10.72 | D-limonene | C₁₀H₁₆ | 136.1247 | 136.1222 | -2.45 | 99.79 |
| 8 | 12.26 | linalool | C₁₀H₁₈O | 154.1352 | 154.1299 | -5.32 | 99.33 |
| 9 | 13.58 | benzyl acetate | C₉H₁₀O₂ | 150.0675 | 150.0758 | 8.27 | 99.66 |
| 10 | 13.78 | menthol | C₁₀H₂₀O | 156.1509 | 156.1282 | -22.67 | 98.43 |
| 11 | 14.74 | citronellol | C₁₀H₂₀O | 156.1509 | 156.1414 | -9.64 | 99.88 |
| 12 | 15.22 | geraniol | C₁₀H₁₈O | 154.1352 | 154.1274 | -7.82 | 99.74 |
| 13 | 18.3 | α-ionone | C₁₃H₂₀O | 192.1509 | 192.1522 | 1.33 | 99.61 |
| 14 | 18.59 | coumarin | C₉H₆O₂ | 146.0362 | 146.0322 | -4.03 | 99.26 |
), ArticleFig(id=1321834241344782517, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=EN, label=Table 3, caption=
Molecular formula results based on precise mass identification of linalool fragment ions
, figureFileSmall=null, figureFileBig=null, tableContent=
| No. | Molecular formula | Precision accuracy | Δm/mDa | Spectral accuracy | Degree of unsaturation | Fragmented relationship |
|---|
| 1 | C₁₀H₁₈O | 154.1274 | -7.82 | 99.74 | 2 | M+ |
| 2 | C₉H₁₅O | 139.1091 | -2.64 | 99.61 | 2.5 | [M-CH₃]⁺ |
| 3 | C₁₀H₁₆ | 136.1220 | -2.65 | 99.54 | 3.0 | [M-H₂O]⁺ |
| 4 | C₉H₁₃ | 121.1027 | 1.52 | 99.83 | 3.5 | [M-CH₃-H₂O]⁺ |
| 5 | C₇H₉ | 93.0828 | 12.92 | 99.17 | 3.5 | [M-C₃H₇-H₂O]⁺ |
| 6 | C₆H₁₁ | 83.0881 | 2.57 | 99.36 | 1.5 | [M-C₄H₇O]⁺ |
| 7 | C₄H₇O | 71.0703 | 21.16 | 99.23 | 1.5 | [M-C₆H₁₁]⁺ |
), ArticleFig(id=1321834241411891382, tenantId=1146029695717560320, journalId=1283840372199657495, articleId=1321834229172912224, language=CN, label=表3, caption=
基于芳樟醇碎片离子精确质量识别分子式结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| No. | Molecular formula | Precision accuracy | Δm/mDa | Spectral accuracy | Degree of unsaturation | Fragmented relationship |
|---|
| 1 | C₁₀H₁₈O | 154.1274 | -7.82 | 99.74 | 2 | M+ |
| 2 | C₉H₁₅O | 139.1091 | -2.64 | 99.61 | 2.5 | [M-CH₃]⁺ |
| 3 | C₁₀H₁₆ | 136.1220 | -2.65 | 99.54 | 3.0 | [M-H₂O]⁺ |
| 4 | C₉H₁₃ | 121.1027 | 1.52 | 99.83 | 3.5 | [M-CH₃-H₂O]⁺ |
| 5 | C₇H₉ | 93.0828 | 12.92 | 99.17 | 3.5 | [M-C₃H₇-H₂O]⁺ |
| 6 | C₆H₁₁ | 83.0881 | 2.57 | 99.36 | 1.5 | [M-C₄H₇O]⁺ |
| 7 | C₄H₇O | 71.0703 | 21.16 | 99.23 | 1.5 | [M-C₆H₁₁]⁺ |
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