阿魏酸

    分析标准品,标准物质,见证书

Ferulic acid

源叶
BW10001
537-98-4
C10H10O4
194.18
MFCD00004400
反式阿魏酸;反式4-羟基-3-甲氧基肉桂酸;4-羟基-3-甲氧基苯丙烯酸;咖啡酸-3-甲醚
品牌 货号 产品规格 价格(RMB) 库存(上海) 北京 武汉 南京 购买数量
源叶 BW10001-50mg 分析标准品,标准物质,见证书 ¥180.00元 >10 - - -
产品介绍 参考文献(58篇) 质检证书(COA) 摩尔浓度计算器 相关产品

产品介绍

   本标准物质主要用于测量仪器校准,分析方法评价和质量控制,以及药品、食品等相关领域相应成分含量测定。

 

一、样品制备

本标准物质候选物是通过定制相应阿魏酸纯品,采用重结晶、柱层析等方法进一步纯化后制得,经化学结构定性分析和初步理化分析满足要求后,进行干燥分装。

阿魏酸:CAS号 537-98-4

 

 

二、溯源性及定值方法

经方法确认研究,本标准物质采用高效液相色谱法-二极管阵列检测器(HPLC-DAD)和定量核磁两种不同原理方法定值方式测定候选物质纯度。通过使用满足计量学特性要求的制备方法,测量方法和计量器具,保证标准物质的量值溯源性。

 

 

三、特性量值及不确定度(不同批次略有差别,详见证书)

编号

名称

标准值(%)

不确定度(%)(k=2)

BW10001

阿魏酸

99.93

0.02

标准值的不确定度综合考虑了主体纯度定值结果、均匀性、稳定性等引入的不确定度分量。

 

 

四、均匀性检验及稳定性考察

参照国家标准JJG 1006-94《一级标准物质技术规范》,随机抽取分装后的样品,采用高效液相色谱法-二极阵列检测器(HPLC-DAD)对候选物进行均匀性检验、稳定性考察,检验结果表明均匀性和稳定性良好。

本标准物质最小取样量为5mg。

本标准物质有效期2年,研制单位将继续监测该标准物质的稳定性,有效期内如发现量值变化,将及时通知用户。

 

 

五、包装、运输和贮存、使用及注意事项

1.包装: 本标准物质采用硼硅酸盐玻璃安瓿瓶包装,每瓶不少于50mg。

2.运输和贮存: 冰袋运输,运输时应避免挤压,碰撞;冷藏条件下贮存。

3.使用: 标准物质开封后,应尽快使用;二次使用不能再做标准物质使用。

 

 

声明

1.本标准物质仅供实验室研究与分析测试工作使用。因用户使用或存储不当所引起的投诉,不予承担责任。

2.收到后请立即核对品种、数量和包装,相关赔偿只限于标准物质本身,不涉及其他任何损失。

3.仅对加盖“上海源叶生物质检专用章”的完整证书负责。请妥善保管此证书。

4.如需获得更多与使用有关的信息,请与技术部门联系。

 

储存条件: 2-8℃
注意: 部分产品我司仅能提供部分信息,我司不保证所提供信息的权威性,仅供客户参考交流研究之用。

参考文献(58篇)

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批号:JS298415 货号:S20001-25g
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