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  • 拉曼光谱(Raman spectra),是一种散射光谱。 拉曼光谱分析法是基于印度科学家C.V.拉曼(Raman)所发现的拉曼散射效应,对与入射光频率不同的散射光谱进行分析以得到分子振动、转动方面信息,并应用于分子结构研究的一种分析方法。

  • 变压器是电力系统重要设备之一,为了确保其安全可靠运行,及时发现运行中变压器内部的早期故障极为重要。

  • 光子在光谱仪内部与内部器件发生碰撞,经历一段奇妙的旅程与转换到达显示器,并被我们所读,这其中发生了些什么?光谱仪又对光子做了什么转换?读完光子历程,您就会有一个大概的了解。
  • In 2008, an estimated 300,000 babies became ill in China after being fed milk powder adulterated with melamine. Melamine is a flame-retardant plastic most often used in industrial products like plastics, adhesives, countertops, dishware and whiteboards. Though the addition of melamine to food is not approved by the World Health Organization’s food commission, it was nevertheless added to watered-down milk to boost the nitrogen content. In doing so, manufacturers were able to fool tests designed to detect natural amino acids – tests to ensure that the protein content of milk products meets minimum acceptable levels for human consumption.
  • 食物中农药残留及非法添加剂已经越来越被消费者关注,科学家们也开发出越来越多的测试方法来保证食品的安全,从而确保消费者的安全。

  • 加工处理过的食品,比如粉末和液体,常常被掺入杂质;一些色素和香料等添加剂用来调制仿冒食品,或者被稀释、被替换等等,这些都很难检测出来。

  • In this application note, we investigate how spectroscopy can be used to distinguish real from artificial gemstones such as rubies and diamonds. Discover how the minerals and organic materials that comprise gems have remarkable and often intriguing optical properties.
  • By some estimates, 10% of the world's food supply is adulterated or counterfeited in some fashion. Using UV-Vis, NIR and Raman spectroscopy techniques, product authenticators are helping to stem the flow of substandard and potentially harmful edible foods.
  • 进行拉曼分析的仪器品类丰富,包括适合手持式、实验室和教育用途的拉曼系统。 拉曼分析系统一般包括光谱仪、激光光源、操作软件和采样配件,客户可以根据自身要求选择模块化组件进行配置,也可以选择不同波长范围和分辨率要求的拉曼光谱仪。
  • 拉曼光谱通过分子的指纹图谱鉴别化合物,由于能够穿透玻璃塑料包材,做到快速无损检测,因此非常适合用于制药行业原辅料的确认。对原辅料的无损检测特点是不开封就可对包装瓶或袋内的样品进行鉴别,避免药品的污染和气体泄漏,同时提高了检测速度。

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