CN108020621A - Hplc测定湿巾中醋酸氯己定含量的方法 - Google Patents

Hplc测定湿巾中醋酸氯己定含量的方法 Download PDF

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CN108020621A
CN108020621A CN201711369845.8A CN201711369845A CN108020621A CN 108020621 A CN108020621 A CN 108020621A CN 201711369845 A CN201711369845 A CN 201711369845A CN 108020621 A CN108020621 A CN 108020621A
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chlorhexidine acetate
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wet tissue
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张云平
陈启钊
梁剑锋
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Wuzhou Institutes for Food and Drug Control
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/04Preparation or injection of sample to be analysed
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/62Detectors specially adapted therefor
    • G01N30/74Optical detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/86Signal analysis
    • G01N30/8624Detection of slopes or peaks; baseline correction
    • G01N30/8631Peaks
    • G01N30/8634Peak quality criteria

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Abstract

本发明公开了一种HPLC测定湿巾中醋酸氯己定含量的方法,包括以下步骤:(1)制备对照品溶液:取醋酸氯己定对照品与水制成对照品溶液;(2)制备待测样品溶液:精密取湿巾样品拧出的液体加水稀释,制得待测样品溶液;(3)取对照品溶液注入高效液相色谱仪测定,建立醋酸氯己定标准曲线;(4)取待测样品溶液注入高效液相色谱仪测定,获得醋酸氯己定的峰面积,从而根据标准曲线获得醋酸氯己定含量;所述步骤(3)和(4)的色谱条件:5μm,100A,250mm×4.6mm,Kromasil C18色谱柱;流动相:乙腈‑水=35∶65;柱温为40℃;检测波长258nm;进样量10μl。本发明提供的方法操作简单,高效省时,鉴定结果客观准确。

Description

HPLC测定湿巾中醋酸氯己定含量的方法
技术领域
本发明涉及测定湿巾中醋酸氯己定含量的方法,尤其涉及一种HPLC测定湿巾中醋酸氯己定含量的方法。
背景技术
醋酸氯己定,又名醋酸洗必泰,纯品为白色晶体,可溶于乙醇,是一种常用的皮肤黏膜消毒剂,因其杀菌范围广、性质稳定,广泛应用于各类产品中。洁阴呵护卫生湿巾是梧州奥奇丽集团生产的产品,其主要成分为醋酸氯己定。
发明内容
本发明的目的旨在提供一种HPLC测定湿巾中醋酸氯己定含量的方法。
本发明的目的通过以下技术方案来实现:一种HPLC测定湿巾中醋酸氯己定含量的方法,包括以下步骤:
(1)制备对照品溶液:取醋酸氯己定对照品与水制成对照品溶液;
(2)制备待测样品溶液:精密取湿巾样品拧出的液体加水稀释,制得待测样品溶液;
(3)取对照品溶液注入高效液相色谱仪测定,建立醋酸氯己定标准曲线;
(4)取待测样品溶液注入高效液相色谱仪测定,获得醋酸氯己定的峰面积,从而根据标准曲线获得醋酸氯己定含量;
所述步骤(3)和(4)的色谱条件:5μm,100A,250mm×4.6mm,Kromasil C18色谱柱;流动相:体积比为35∶65的乙腈-水;柱温为40℃;检测波长258nm;进样量10μl。
所述步骤(1)中,精密称取醋酸氯己定对照品适量,加水溶解并定量稀释成0.45mg/ml的溶液,作为对照品溶液。
所述步骤(2)中,精密量取湿巾直接拧出的液体1ml,用水定容至200ml,用水50ml超声提取10min,提取3次,合并提取液定容至200ml,即得待测样品溶液。
与现有技术相比,本发明具有以下有益效果:
与现有技术相比,本发明提供的方法操作简单,高效省时,鉴定结果客观准确。
具体实施方式
实施例1
(1)制备对照品溶液:精密称取醋酸氯己定对照品适量,加水溶解并定量稀释成0.45mg/ml的溶液,作为对照品溶液。
(2)制备待测样品溶液:精密量取湿巾直接拧出的液体1ml,用水定容至200ml,用水50ml超声提取10min,提取3次,合并提取液定容至200ml,即得待测样品溶液。
(3)分别精密量取1、3、5、7、9ml分别置于50ml量瓶中,加1%醋酸至刻度,摇匀。分别取20μl注入高效液相色谱仪,测定醋酸氯己定峰面积,取峰面积A为纵坐标,浓度C为横坐标,回归方程:A=23.8022C+9.9769,r=0.9999。
5μm,100A,250mm×4.6mm,Kromasil C18色谱柱;流动相:体积比为35∶65的乙腈-水;柱温为40℃;检测波长258nm;进样量10μl。
(4)取待测样品溶液注入高效液相色谱仪进行测定,获得醋酸氯己定峰面积,根据回归方程计算得到醋酸氯己定的含量。取不同批号的湿巾样品3批分别进行测定,醋酸氯己定含量均为0.2%。
本发明可用其他的不违背本发明的精神或主要特征的具体形式来概述。本发明的上述实施方案都只能认为是对本发明的说明而不是限制,因此凡是依据本发明的实质技术对以上实施例所作的任何细微修改、等同变化与修饰,均属于本发明技术方案的范围内。

Claims (3)

1.一种HPLC测定湿巾中醋酸氯己定含量的方法,其特征是,包括以下步骤:
(1)制备对照品溶液:取醋酸氯己定对照品与水制成对照品溶液;
(2)制备待测样品溶液:精密取湿巾样品拧出的液体加水稀释,制得待测样品溶液;
(3)取对照品溶液注入高效液相色谱仪测定,建立醋酸氯己定标准曲线;
(4)取待测样品溶液注入高效液相色谱仪测定,获得醋酸氯己定的峰面积,从而根据标准曲线获得醋酸氯己定含量;
所述步骤(3)和(4)的色谱条件:5μm,100A,250mm×4.6mm,Kromasil C18色谱柱;流动相:乙腈-水=35∶65;柱温为40℃;检测波长258nm;进样量10μl。
2.根据权利要求1所述的HPLC测定湿巾中醋酸氯己定含量的方法,其特征是,所述步骤(1)中,精密称取醋酸氯己定对照品适量,加水溶解并定量稀释成0.45mg/ml的溶液,作为对照品溶液。
3.根据权利要求1所述的HPLC测定湿巾中醋酸氯己定含量的方法,其特征是,所述步骤(2)中,精密量取湿巾直接拧出的液体1ml,用水定容至200ml,用水50ml超声提取10min,提取3次,合并提取液定容至200ml,即得待测样品溶液。
CN201711369845.8A 2017-12-19 2017-12-19 Hplc测定湿巾中醋酸氯己定含量的方法 Pending CN108020621A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110082445A (zh) * 2019-05-07 2019-08-02 广东华润顺峰药业有限公司 一种同时测定葡萄糖酸氯己定和对氯苯胺含量的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110082445A (zh) * 2019-05-07 2019-08-02 广东华润顺峰药业有限公司 一种同时测定葡萄糖酸氯己定和对氯苯胺含量的方法
CN110082445B (zh) * 2019-05-07 2022-04-08 广东华润顺峰药业有限公司 一种同时测定葡萄糖酸氯己定和对氯苯胺含量的方法

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Application publication date: 20180511