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药包材标准中预灌封注射器质量要求及测试方法介绍

取样品适量,照玻璃颗粒在121℃耐水性测定法和分级YBB00252003-2015测定,应符合1级。YBB00252003-2015中规定玻璃颗粒制备方式为:将供试品击打成碎块,取适量放入碾钵中,插入杵,用锤子猛击杵,只准击一次,将碾钵中的玻璃转移到套筛上层的O筛上,重复上述操作过程。用振动筛或手工筛5分钟,将通过A筛但留在B筛上的玻璃颗粒转移到称量瓶内。然后依据标准中规定的测定法进行耐水性测试。

人造皮肤透气性能的测试方法

速冻制品是通过急速低温加工出来的速冻食品,低温状态下包装袋封口破损的概率较高。本文利用Labthink兰光XLW(PC)智能电子拉力试验机测试速冻制品包装热封性能,并介绍了试验的基本过程及试验设备的适用范围、试验过程等内容,帮助食品企业有效监控产品热封参数。

布地奈德鼻喷雾剂的直接和加速稳定性

布地奈德吸入后,主要在气道及肺组织通过上述环节的综合作用,抑制致炎致敏介质和细胞因子等活性物质的生成,收缩扩张的黏膜血管,提高支气管平滑肌和炎症细胞对β2激动剂的敏感性等,对外因性及内因性哮喘均可产生良好治疗作用。本文应用LUMiSizer®分散体系分析仪,测试布地奈德鼻喷雾剂悬浮液的直接和加速稳定性。

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LUMiSizer全功能分散体分析仪-沉降粒度仪

LUMiSizer全功能分散体分析仪-沉降粒度仪

型号:LUMi-Sizer

通微 2020 版新药典解决方案: HPLC-ELSD 检测酸枣仁中酸枣仁皂苷 A

酸枣仁为鼠李科植物酸枣的干燥成熟种子,具有养心安神的功效,是较为常用的镇静催眠中药。酸枣仁皂苷 A 为其镇静催眠的有效成分之一。酸枣仁皂苷 A 的含量测定可以有效监测酸枣仁质量。酸枣仁皂苷 A 为三萜皂苷类成分,紫外吸收弱,不宜采用 UV 检测,而采用质量型通用型检测器 ELSD 则可有效避免上述问题,实现酸枣仁中酸枣仁皂苷 A 的含量测定。

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EasySep®3030 HPLC高效液相色谱

EasySep®3030 HPLC高效液相色谱

型号:EasySep®3030

自动熔点仪法检测速效救心丸的熔点

熔点测定是辨认物质本性 的基本手段,也是纯度测定的重要方法之一。本文采用全自动熔点仪法来检测速效救心丸的 熔点,操作简单、快速、结果准确。

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全自动视频熔点仪

全自动视频熔点仪

型号:MP490

金银花中多种禁用农药及相关化学品残留的测定解决方案

本文参照2020版《中国药典》2341通则农药残留量测定法新增第五法《药材及饮片(植物类)中禁用农药多残留测定法》中的固相萃取法,使用乙腈对金银花试样进行均质提取,经盐析和离心后,GC-MS/MS组化合物采用GCB/NH2柱净化,LC-MS/MS组化合物采用HLB柱净化,后上机检测。

枸杞子中甜菜碱的检测

本方案适用于枸杞中甜菜碱的检测。枸杞子:本品为茄科植物宁夏枸杞Lycium barbarum L.的干燥成熟果实。夏、秋二季果实呈红色时采收,热风烘干,除去果梗,或晾至皮皱后,晒干,除去果梗。2020 版《中国药典》一部 枸杞子【含量测定】项下甜菜碱的测定,将之前的薄层色谱法改为高效液相色谱法,前处理采用碱性氧化铝固相萃取柱净化。

基于仿生技术的制川乌炮制过程变化研究

本实验将电子鼻、电子舌仿生技术运用于制川乌炮制过程“气”“味”变化研究,将传统的“气”“味”信息进行了数字量化表征,并与制川乌炮制过程中内在有效成分变化进行了相关性分析,为中药炮制研究提供了一-种新的思路。

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日本INSENT味觉分析系统(电子舌)

日本INSENT味觉分析系统(电子舌)

型号:TS-5000Z

液相色谱法测定伊维菌素浇泼剂中伊维菌素和氮酮的含量

伊维菌素浇泼剂是伊维菌素加适量的皮肤吸收促进剂等配制而成的溶液,是一种用于驱除体内寄生虫(线虫)和体外寄生虫(节肢动物)的药物,对家畜寄生虫有良好的预防和治疗作用。虽然有伊维菌素和氮酮单方制剂检测方法,但均不适合复方制剂中伊维菌素和氮酮的含量测定。液相色谱试验能准确检测复方制剂中伊维菌素和氮酮的含量,检测快速而简便。

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高效液相色谱仪

高效液相色谱仪

型号:LC-600A

自动旋光仪法检测熊去氧胆酸的比旋度

熊去氧胆酸在医学上用于增加胆汁分泌,降低胆固醇,促进胆结石中的胆固醇逐渐溶解, 也用于治疗胆汁淤积性肝病、脂肪肝、各种肝炎、中毒性肝障碍,胆囊炎等疾病。在 2015 版 药典中要求其比旋度范围为+59°~+62°,本文按照药典中的方法进行测定,测得其比旋度为 +59.893°,在其规定范围内。

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全自动数字旋光仪

全自动数字旋光仪

型号:Digipol-P930
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