Article(id=1149784680343495535, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1149784670012928436, 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=1752059629759, onlineDateStr=2025-07-09, pubDate=1746633600000, pubDateStr=2025-05-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752059629759, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752059629759, creator=13701087609, updateTime=1752059629759, updator=13701087609, issue=Issue{id=1149784670012928436, tenantId=1146029695717560320, journalId=1146119944283992078, year='2025', volume='3', issue='9', pageStart='1', pageEnd='168', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752059627297, creator=13701087609, updateTime=1753700552029, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156667207221367489, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1149784670012928436, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156667207221367490, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1149784670012928436, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=3, ext={CN=ArticleExt(id=1151930166952947929, articleId=1149784680343495535, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=基于高效液相色谱-电喷雾检测器联用技术的注射用头孢地嗪钠中钠离子含量测定方法研究, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=
目的 采用高效液相色谱电喷雾检测器联用技术测定注射用头孢地嗪钠中钠含量。方法 通过紫外检测器与电喷雾检测器的联用技术,采用阀切换的方式将有紫外吸收的头孢地嗪色谱峰切除,选择需要采集的钠离子部分,采用电喷雾检测器进行有效分析。色谱柱:SeQuant ZICHILIC (4.6 mm×150mm,5 µm);流动相A为醋酸盐缓冲液(称取乙酸铵1.54 g,加水适量及冰醋酸5mL 使溶解,再加水稀释至1000mL,加冰醋酸调节pH至4.0),流动相B为乙腈,A相与B相的比例为40:60;载气为氮气;柱温为40℃;蒸发器温度为70℃;进样量为5µL;流速为0.7 mL/min;运行时间8min。结果 钠含量的线性回归方程为y=158.44x+3.8048(r=0.997),线性浓度范围为0.0874~0.1312 mg/mL,精密度相对标准差(RSD)为1.3%,各浓度水平的平均回收率分别为102%、100%、98%,回收率的RSD为1.5%。结论 本研究所建立的方法准确度高、精密度良好,可用于注射用头孢地嗪钠中钠含量的测定。
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| 时间 /min | 下阀位置 | 上阀位置 |
| 0 | 1_2 | 6_1 |
| 1.5 | 1_2 | 1_2 |
| 3 | 1_2 | 6_1 |
), ArticleFig(id=1154351883259994200, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149784680343495535, language=CN, label=表 1, caption=
阀切换程序, figureFileSmall=null, figureFileBig=null, tableContent=
| 时间 /min | 下阀位置 | 上阀位置 |
| 0 | 1_2 | 6_1 |
| 1.5 | 1_2 | 1_2 |
| 3 | 1_2 | 6_1 |
), ArticleFig(id=1154351883331297373, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149784680343495535, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度水平 | 浓度/(mg/mL) | 峰面积 |
| 80% | 0.0874 | 17.5102 |
| 90% | 0.0984 | 19.3634 |
| 100% | 0.1093 | 21.3930 |
| 110% | 0.1202 | 22.9755 |
| 120% | 0.1312 | 24.3714 |
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线性试验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度水平 | 浓度/(mg/mL) | 峰面积 |
| 80% | 0.0874 | 17.5102 |
| 90% | 0.0984 | 19.3634 |
| 100% | 0.1093 | 21.3930 |
| 110% | 0.1202 | 22.9755 |
| 120% | 0.1312 | 24.3714 |
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| 浓度水平 | | 回收率/% | | 回收率均值1% | 回收率RSD/% |
| 90% | 101.28 | 102.11 | 101.42 | 102 | 1.5 |
| 100% | 100.17 | 99.94 | 99.22 | 100 | 1.5 |
| 110% | 98.31 | 98.26 | 98.28 | 98 |
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准确度试验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度水平 | | 回收率/% | | 回收率均值1% | 回收率RSD/% |
| 90% | 101.28 | 102.11 | 101.42 | 102 | 1.5 |
| 100% | 100.17 | 99.94 | 99.22 | 100 | 1.5 |
| 110% | 98.31 | 98.26 | 98.28 | 98 |
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| 项目 | 序号 | RSD |
| 1 | 2 | 3 | 4 | 5 | 6 |
| 钠含量1% | 6.66 | 6.60 | 6.57 | 6.66 | 6.70 | 6.62 | 0.8% |
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重复性试验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 序号 | RSD |
| 1 | 2 | 3 | 4 | 5 | 6 |
| 钠含量1% | 6.66 | 6.60 | 6.57 | 6.66 | 6.70 | 6.62 | 0.8% |
), ArticleFig(id=1154351884040134771, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149784680343495535, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 序号 | RSD (n=6) | RSD (n=12) |
| 1 | 2 | 3 | 4 | 5 | 6 |
| 钠含量 /% | 6.63 | 6.54 | 6.61 | 6.80 | 6.82 | 6.70 | 1.7% | 1.3% |
), ArticleFig(id=1154351884103049333, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149784680343495535, language=CN, label=表 5, caption=
中间精密度试验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 序号 | RSD (n=6) | RSD (n=12) |
| 1 | 2 | 3 | 4 | 5 | 6 |
| 钠含量 /% | 6.63 | 6.54 | 6.61 | 6.80 | 6.82 | 6.70 | 1.7% | 1.3% |
), ArticleFig(id=1154351884182741113, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149784680343495535, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 结果 | 时间 /h |
| 4 | 8 | 16 | 24 |
| 对照品回收率 /% | 98.9 | 98.4 | 99.1 | 98.7 |
| 供试品回收率 /% | 98.0 | 96.4 | 96.9 | 98.3 |
), ArticleFig(id=1154351884262432892, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149784680343495535, language=CN, label=表 6, caption=
溶液稳定性测定结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 结果 | 时间 /h |
| 4 | 8 | 16 | 24 |
| 对照品回收率 /% | 98.9 | 98.4 | 99.1 | 98.7 |
| 供试品回收率 /% | 98.0 | 96.4 | 96.9 | 98.3 |
), ArticleFig(id=1154351884329541759, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149784680343495535, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 对照品 RSD/% | 钠含量1% | 回收率 /% |
| 未调整参数 | 1.7 | 6.63 | - |
| 流速${0.6}\mathrm{\;{mL}}/\mathrm{{min}}$ | 0.6 | 6.44 | 97.1 |
| 流速${0.8}\mathrm{\;{mL}}/\mathrm{{min}}$ | 0.3 | 6.41 | 96.7 |
| 柱温 35℃ | 0.3 | 6.41 | 96.7 |
| 柱温 45${}^{ \circ }\mathrm{C}$ | 0.4 | 6.48 | 97.7 |
| 流动相$\mathrm{{pH}}$值 3.8 | 0.5 | 6.56 | 98.9 |
| 流动相 pH 值 4.2 | 1.0 | 6.54 | 98.6 |
| 流动相比例${35} : {65}$ | 1.0 | 6.50 | 98.0 |
| 流动相比例${45} : {55}$ | 0.3 | 6.36 | 95.9 |
), ArticleFig(id=1154351884413427843, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149784680343495535, language=CN, label=表 7, caption=
耐用性试验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 对照品 RSD/% | 钠含量1% | 回收率 /% |
| 未调整参数 | 1.7 | 6.63 | - |
| 流速${0.6}\mathrm{\;{mL}}/\mathrm{{min}}$ | 0.6 | 6.44 | 97.1 |
| 流速${0.8}\mathrm{\;{mL}}/\mathrm{{min}}$ | 0.3 | 6.41 | 96.7 |
| 柱温 35℃ | 0.3 | 6.41 | 96.7 |
| 柱温 45${}^{ \circ }\mathrm{C}$ | 0.4 | 6.48 | 97.7 |
| 流动相$\mathrm{{pH}}$值 3.8 | 0.5 | 6.56 | 98.9 |
| 流动相 pH 值 4.2 | 1.0 | 6.54 | 98.6 |
| 流动相比例${35} : {65}$ | 1.0 | 6.50 | 98.0 |
| 流动相比例${45} : {55}$ | 0.3 | 6.36 | 95.9 |
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