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甲硝唑注射液中亚硝酸盐的测定

2020版《中国药典》中对于甲硝唑注射液中亚硝酸盐的含量测定使用离子色谱法,采用IonPac AS18,采用抑制电导法测定亚硝酸盐的含量。

高效液相色谱法检测中药材中黄曲霉毒素

世界卫生组织的癌症研究机构已将黄曲霉*素划定为Ⅰ类致癌物,由于黄曲霉*素与环境密切相关,是一种天然的毒素,普通的处理方法不会减少黄曲霉*素的含量,因此,国际上对黄曲霉*素限量有越来越严格的规定。

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高效液相色谱仪

高效液相色谱仪

型号:LC-600A

共挤输液膜袋不挥发物含量的监控方案

不挥发物的含量是共挤输液膜袋的重要性能指标,在很大程度上影响了药液中异物的含量及药液的质量。本文利用Labthink兰光ERT-01蒸发残渣恒重仪对某品牌共挤输液膜袋的不挥发物进行了检测,通过对试验过程、设备参数、适用范围等内容的介绍,为企业监控所用包材的不挥发类物质的含量提供参考。

上海佳航:自动旋光仪法检测 L-半胱氨酸的含量(旋光仪)

L-半胱氨酸是一种氨基酸类解药,它参与细胞的还原过程和肝脏内的磷脂代谢,有保护肝细胞不受损害,促进肝脏功能恢复和旺盛的药理效应。目前国内外检测半胱胺酸含量的方法有很多,电化学法、流动注射化学发光法、催化动力学分光光度法、旋光法、高效液相色谱法等,本文采用用旋光度法测定其含量简单易行、快速准确。

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全自动数字旋光计

全自动数字旋光计

型号:Digipol-P630

利用RSO流变仪进行膏体样品的流变行为解析及粘弹性测试

凝胶,膏体类物质属于粘弹性物质,表现为兼具粘性和弹性特性的流变学行为。针对这些较为“粘稠”物质,需要同时分析粘性流动行为以及粘弹性行为,才能完整地表征其流变特性。RSO震荡流变仪配备空气轴承,具备旋转测量和震荡测量功能,是实现流动行为测试和粘弹性测试的理想工具……

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Brookfield博勒飞 震荡流变仪

Brookfield博勒飞 震荡流变仪

型号:RSO

药典方法:HPLC-ELSD检测知母中知母皂苷BII

知母为百合科植物知母的干燥根茎,具有清热泻火、生津润燥的功效,主要用于外感热病、高热烦渴、肺热燥咳、骨蒸潮热、内热消渴、肠燥便秘。其药用活性成分主要为甾体皂苷类物质,如芒果苷、知母皂苷BII。其中知母皂苷BII的化学结构中没有共轭体系等能产生紫外吸收的官能团,仅有较弱的紫外末端吸收,用传统紫外检测器检测的干扰较严重,而采用通用型的质量型检测器ELSD则可有效避免上述问题。

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新品-UM5800Plus蒸发光散射检测器

新品-UM5800Plus蒸发光散射检测器

型号:UM5800Plus
EasySep®3030 HPLC高效液相色谱

EasySep®3030 HPLC高效液相色谱

型号:EasySep®3030

新型离子交换色谱柱在pH梯度下检测 不同类型的双特异性抗体

本文使用新型离子交换色谱柱ProPac Elite WCX 5 μm 4.0mmX150 mm色谱柱和CX- 1Buffer缓冲液,进行pH梯度高分辨率分析非对称型双特异性抗体和对称型的IgG类抗体,使用MAbPac SCX-10 RS 5um 4.6 mmX50 mm色谱柱和CX-1 Buffer缓冲液。

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赛默飞液相色谱分析仪

赛默飞液相色谱分析仪

型号:Vanquish Core HPLC

ICP-MS 2000E测定黄芪中铜、砷、镉、汞、铅五种重金属元素

本文参考中华人民共和国药典(2015)版四部通则(2321)铜、砷、镉、汞、铅测定法,使用ICP-MS 2000E电感耦合等离子体质谱仪,测定GBW10028(GSB-19)黄芪中五种重金属元素含量。

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电感耦合等离子体质谱仪

电感耦合等离子体质谱仪

型号:ICP-MS 2000系列

原子吸收分光光度计检验药品中金属元素方法

依据2020版中国药典使用上海光谱3803AA原子吸收光谱仪检测中药药材及饮品中重金属元素。

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双光束原子吸收分光光度计

双光束原子吸收分光光度计

型号:SP-3803AA
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