Article(id=1157016316952535301, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1157016315505500417, 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=1753783786284, onlineDateStr=2025-07-29, pubDate=1704643200000, pubDateStr=2024-01-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753783786284, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753783786284, creator=13701087609, updateTime=1753783786284, updator=13701087609, issue=Issue{id=1157016315505500417, tenantId=1146029695717560320, journalId=1146119944283992078, year='2024', volume='2', issue='1', pageStart='1', pageEnd='144', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=0, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753783785940, creator=13701087609, updateTime=1753783966923, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157017074661941313, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1157016315505500417, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157017074661941314, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1157016315505500417, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=17, endPage=22, ext={EN=ArticleExt(id=1157016317606846728, articleId=1157016316952535301, tenantId=1146029695717560320, journalId=1146119944283992078, language=EN, title=Determination of acetic acid and hexanoic acid in Chinese liquor by gas chromatography, columnId=1156641065621906129, journalTitle=Laboratory Testing, columnName=Innovative Applications, runingTitle=null, highlight=null, articleAbstract=
Objective This study aims to accurately quantify two key components in Baijiu (Chinese liquor) production and quality control: acetic acid and hexanoic acid. Methods A direct injection-gas chromatography (GC) technique was used for the rapid and precise simultaneous determination of acetic acid and hexanoic acid in Baijiu. Results Using this method, the detection limit for acetic acid reached 0.012 g/L and for hexanoic acid, 0.0050 g/L. All correlation coefficients exceeded 0.999. The relative standard deviations (RSD) were 0.32% for acetic acid and 0.33% for hexanoic acid, with spiked recovery rates of 96.15% for acetic acid and 96.69% for hexanoic acid, respectively. Conclusion The new detection method proposed in this study not only overcomes the limitations of traditional detection methods and gas chromatography in many aspects but also demonstrates high efficiency, sensitivity, and excellent selectivity. This method has significant practical implications for improving the production process of Baijiu, ensuring the consistency of product flavor, and safety.
, correspAuthors=Xiao-Kun PENG, authorNote=null, correspAuthorsNote=
*PENG Xiaokun, Assistant Engineer, Ganzhou Comprehensive Inspection and Testing Institute, Ganzhou, 341000, China. E-mail:
240802163@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, authorCompany=null, fund=null, authors=null, authorsList=Xiao-Kun PENG, Xiao-Fang HUANG, Hui XIAO, Hong-Xiang XU), CN=ArticleExt(id=1157016335583633958, articleId=1157016316952535301, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=气相色谱法测定白酒中的乙酸、己酸含量, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=
目的 准确测量在白酒生产和质量控制中的两个关键成分:乙酸和己酸。方法 采用直接进样-气相色谱技术(GC),快速且准确地同时测定了白酒中的乙酸和己酸含量。结果 利用本方法,乙酸的检出限达到了0.012 g/L,己酸的检出限为0.0050 g/L。所有相关系数均超过0.999。相对标准偏差(RSD)分别为0.32%(乙酸)和0.33%(己酸),加标回收率分别为96.15%(乙酸)和96.69%(己酸)。结论 本研究提出的新检测方法,不仅克服了传统检测方法和气相色谱在诸多方面的限制,而且展示了高效率、高灵敏度和优良选择性。这一方法对于提升白酒的生产工艺、确保产品风味的一致性和安全性具有重要的实际意义。
, correspAuthors=彭晓鲲, authorNote=null, correspAuthorsNote=
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彭晓鲲,本科,助理工程师,研究方向为检验检测. |
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6 ( 4 ): 61 - 63 ., articleTitle=气相色谱检测白酒中乙酸乙酯内标法和外标法的比较研究, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1157033191845531901, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, xref=null, ext=[AuthorCompanyExt(id=1157033191866503422, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, companyId=1157033191845531901, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Ganzhou Comprehensive Inspection and Testing Institute Ganzhou 341000 China), AuthorCompanyExt(id=1157033191925223683, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, companyId=1157033191845531901, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=赣州市综合检验检测院 赣州 341000)])], figs=[ArticleFig(id=1157033197386207684, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=EN, label=Figure 1., caption=
Gas chromatographic separation of acetic acid and hexanoic acid, figureFileSmall=nuVEufU7NgwLAi/Iw3EWBg==, figureFileBig=66XL1RDfd+QFTexzdybM9Q==, tableContent=null), ArticleFig(id=1157033197465899463, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=CN, label=图 1, caption=
混合样品的气相图谱中的乙酸和己酸分离图, figureFileSmall=nuVEufU7NgwLAi/Iw3EWBg==, figureFileBig=66XL1RDfd+QFTexzdybM9Q==, tableContent=null), ArticleFig(id=1157033197566562761, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=EN, label=Figure 2., caption=
Blank chromatogram of a 50% ethanol solution (2-Ethylbutyric acid as the internal standard), figureFileSmall=wgekdrAaZ9HWp12SXxxzdg==, figureFileBig=vKNbc654VQdz+xrohhMwCQ==, tableContent=null), ArticleFig(id=1157033197629477323, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=CN, label=图 2, caption=
50%乙醇水溶液空白图谱(2-乙基丁酸为内标), figureFileSmall=wgekdrAaZ9HWp12SXxxzdg==, figureFileBig=vKNbc654VQdz+xrohhMwCQ==, tableContent=null), ArticleFig(id=1157033197688197582, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=EN, label=Table 1, caption=
. Concentration ratios and peak area ratios of acetic acid, hexanoic acid, and 2-Ethylbutyric acid, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 浓度 1 | 浓度 2 | 浓度 3 | 浓度 4 | 浓度 5 |
| 乙酸与内标浓度比值 | 2.0195 | 4.0391 | 6.0586 | 8.0781 | 10.0977 |
| 乙酸与内标峰面积比值 | 0.5688 | 1.4627 | 2.2095 | 3.0785 | 3.8738 |
| 己酸与内标浓度比值 | 0.9883 | 1.9766 | 2.9648 | 3.9531 | 4.9414 |
| 己酸与内标峰面积比值 | 0.9943 | 2.0400 | 2.9213 | 4.0006 | 4.9769 |
), ArticleFig(id=1157033197780472273, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=CN, label=表 1, caption=
乙酸、己酸与 2-乙基丁酸内标的浓度比、峰面积比值, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 浓度 1 | 浓度 2 | 浓度 3 | 浓度 4 | 浓度 5 |
| 乙酸与内标浓度比值 | 2.0195 | 4.0391 | 6.0586 | 8.0781 | 10.0977 |
| 乙酸与内标峰面积比值 | 0.5688 | 1.4627 | 2.2095 | 3.0785 | 3.8738 |
| 己酸与内标浓度比值 | 0.9883 | 1.9766 | 2.9648 | 3.9531 | 4.9414 |
| 己酸与内标峰面积比值 | 0.9943 | 2.0400 | 2.9213 | 4.0006 | 4.9769 |
), ArticleFig(id=1157033198069879251, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=EN, label=Table 2, caption=
. Regression equations, correlation coefficients, mean signal-to-noise ratios, detection limits, and quantification limits for acetic acid and hexanoic acid, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 回归方程 | 相关系数 $\mathrm{r}$ | 信噪比均值 | 检出限 $\mathrm{g}/\mathrm{L}$ | 定量限 $\mathrm{g}/\mathrm{L}$ |
| 乙酸 | y=0.40731x -0.22909 | 0.99940 | 405.6 | 0.012 | 0.036 |
| 己酸 | y=1.00435x+0.00890 | 0.99930 | 495.9 | 0.005 | 0.015 |
), ArticleFig(id=1157033198220874197, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=CN, label=表 2, caption=
乙酸、己酸回归方程、相关系数、信噪比均值、检出限及定量限, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 回归方程 | 相关系数 $\mathrm{r}$ | 信噪比均值 | 检出限 $\mathrm{g}/\mathrm{L}$ | 定量限 $\mathrm{g}/\mathrm{L}$ |
| 乙酸 | y=0.40731x -0.22909 | 0.99940 | 405.6 | 0.012 | 0.036 |
| 己酸 | y=1.00435x+0.00890 | 0.99930 | 495.9 | 0.005 | 0.015 |
), ArticleFig(id=1157033198300565975, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=EN, label=Table 3, caption=
. Precision and recovery test results for acetic acid and hexanoic acid $\left({\mathrm{n}= 7}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 加入值 (mg/L) | 检测值 (mg/L) | 检测平均值 (mg/L) | 回收率/% | RSD/% |
| 乙酸 | 837.2 | 823.60-830.65 | 827.69 | 98.38-99.22 | 0.32 |
| 己酸 | 424.8 | 410.45-414.70 | 412.79 | 96.62-97.62 | 0.33 |
), ArticleFig(id=1157033198405423577, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1157016316952535301, language=CN, label=表 3, caption=
乙酸、己酸精密度和回收率实验结果(n=7), figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 加入值 (mg/L) | 检测值 (mg/L) | 检测平均值 (mg/L) | 回收率/% | RSD/% |
| 乙酸 | 837.2 | 823.60-830.65 | 827.69 | 98.38-99.22 | 0.32 |
| 己酸 | 424.8 | 410.45-414.70 | 412.79 | 96.62-97.62 | 0.33 |
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