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Objective To establish a gas-mass spectrometry method for determination of epichlorohydrin in Metoprolol succinate tablets. Methods The chromatographic column is HP-1MS. Injection temperature is${220}^{\circ }\mathrm{C}$; The injection method is split injection, and the split ratio is${10}: 1$. The heating procedure is to keep the initial temperature at${50}^{\circ }\mathrm{C}$for$3\mathrm{\;{min}}$, then raise the temperature to${80}^{\circ }\mathrm{C}$at a rate of${20}^{\circ }\mathrm{C}/\mathrm{{min}}$for$5\mathrm{\;{min}}$, and to${280}^{\circ }\mathrm{C}$at a rate of${40}^{\circ }\mathrm{C}/\mathrm{{min}}$for$8\mathrm{\;{min}}$. The sample intake capacity is${1\mu }\mathrm{L}$. The ion source is electron bombardment source (EI), ion source temperature is${230}^{\circ }\mathrm{C}$. Mass spectrometry interface temperature is${260}^{\circ }\mathrm{C}$; the monitoring mode of mass spectrometry is SIM. The mass to charge ratios (m/z) are 49, 57 and 62. Results The linear range of epichlorohydrin concentration is${30}\sim {120}\mathrm{{ng}}/\mathrm{{mL}}\left({r >{0.99}}\right)$. The detection limit is${32.37}\mathrm{{ng}}/\mathrm{{mL}}$. The limit of quantitation is${107.89}\mathrm{{ng}}/\mathrm{{mL}}$. RSD of precision is${1.8}\%\left({n = 6}\right)$. The average recovery is${103.8}\%$with RSD of${2.5}\%\left({n = 6}\right)$. Epichlorohydrin was not detected in 3 batches of Metoprolol succinate tablets. Conclusion The established gas-mass coupling method is simple, practical, accurate and reliable, and can be used for the determination of epichlorohydrin in Metoprolol succinate tablets.
, correspAuthors=Li-Li HUANG, authorNote=null, correspAuthorsNote=
*HUANG Li-Li, Master, Associate Senior Pharmacist, Guangxi Zhuang Autonomous Region Institute for Drug Control, Nanning 530001, China. E-mail:
88564188@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=Lan-Bo DUAN, Chun-Yan LIANG, Li-Li HUANG), CN=ArticleExt(id=1156667076820459804, articleId=1156667049943360198, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=气相色谱-质谱联用法测定琥珀酸美托洛尔片中环氧氯丙烷的含量, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=
目的 建立气- 质联用法测定琥珀酸美托洛尔片中环氧氯丙烷的含量。方法 色谱柱为HP-1MS;进样口温度为${220}^{\circ }\mathrm{C}$;进样方式为分流进样,分流比为 10 :1 ;升温程序为初始温度${50}^{\circ }\mathrm{C}$保持 3 min,再以${20}^{\circ }\mathrm{C}/\mathrm{{min}}$的速率升温至${80}^{\circ }\mathrm{C}$并保持$5\mathrm{\;{min}}$,最后以${40}^{\circ }\mathrm{C}/\mathrm{{min}}$的速率升温至${280}^{\circ }\mathrm{C}$并保持$8\mathrm{\;{min}}$;进样量为$1\mathrm{{\mu L}}$。离子源为电子轰击源(EI),离子源温度为${230}^{\circ }\mathrm{C}$;质谱传输接口温度为${260}^{\circ }\mathrm{C}$;质谱监测模式为选择离子扫描(SIM);检测特征离子质荷比(m/z)为 49、57、62。结果 环氧氯丙烷检测的质量浓度线性范围为 30~120 ng/mL($r >{0.99}$);检测限为 32.37 ng/mL;定量限为 107.89 ng/mL;进样精密度RSD为 1.8%($n = 6$);准确度为 103.8%, RSD 为 2.5%($n = 6$)。 3 批琥珀酸美托洛尔片, 均未检出环氧氯丙烷。结论 建立的气 - 质联用法简便实用、准确可靠, 适用于测定琥珀酸美托洛尔片中环氧氯丙烷的含量。
, correspAuthors=黄丽丽, authorNote=null, correspAuthorsNote=
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段澜波,执业药师,药学中级,研究方向为药品质量管理。
黄丽丽,硕士,副主任药师,研究方向为药物质量研究与分析。
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Typical TIC diagram of accuracy test, figureFileSmall=j3nIJZJr9esFzL5lz2FJjg==, figureFileBig=vIupKdBw+Dl0z3Lb3C4KdA==, tableContent=null), ArticleFig(id=1156667087947948521, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667049943360198, language=CN, label=图 4, caption=
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Results of precision test $\left({n = 6}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 峰面积 | 平均峰面积 | RSD(%) |
| 1 | 5500 | 5392 | |
| 2 | 5500 | |
| 3 | 5328 | |
| 4 | 5365 | 1.8 |
| 5 | 5399 | |
| 6 | 5262 | |
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精密度试验结果 $\left({n = 6}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 峰面积 | 平均峰面积 | RSD(%) |
| 1 | 5500 | 5392 | |
| 2 | 5500 | |
| 3 | 5328 | |
| 4 | 5365 | 1.8 |
| 5 | 5399 | |
| 6 | 5262 | |
), ArticleFig(id=1156667088237355502, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667049943360198, language=EN, label=Table 2, caption=
Results of accuracy test $\left({n = 6}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 回收率 | 平均回收率 | RSD(%) |
| 1-1 | 104.51 | | |
| 1-2 | 104.69 | | |
| 2-1 | 103.90 | | |
| 2-2 | 107.88 | | |
| 3-1 | 104.06 | | |
| 3-2 | 102.18 | | |
| 4-1 | 104.78 | 103.8 | 2.5 |
| 4-2 | 100.47 | | |
| 5-1 | 100.93 | | |
| 5-2 | 102.51 | | |
| 6-1 | 101.20 | | |
| 6-2 | 108.77 | | |
), ArticleFig(id=1156667088304464367, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667049943360198, language=CN, label=表 2, caption=
准确度试验结果 $\left({n = 6}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 回收率 | 平均回收率 | RSD(%) |
| 1-1 | 104.51 | | |
| 1-2 | 104.69 | | |
| 2-1 | 103.90 | | |
| 2-2 | 107.88 | | |
| 3-1 | 104.06 | | |
| 3-2 | 102.18 | | |
| 4-1 | 104.78 | 103.8 | 2.5 |
| 4-2 | 100.47 | | |
| 5-1 | 100.93 | | |
| 5-2 | 102.51 | | |
| 6-1 | 101.20 | | |
| 6-2 | 108.77 | | |
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