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分光光度計

紫外可見分光光度計操作流程及校準方法

發(fā)布日期:2022-10-09 點擊率:44

  紫外分光光度計就是根據(jù)物質(zhì)的吸收光譜研究物質(zhì)的成分、結構和物質(zhì)間相互作用的有效手段。紫外分光光度計可以在紫外可見光區(qū)任意選擇不同波長的光。物質(zhì)的吸收光譜就是物質(zhì)中的分子和原子吸收了入射光中的某些特定波長的光能量,相應地發(fā)生了分子振動能級躍遷和電子能級躍遷的結果。由于各種物質(zhì)具有各自不同的分子、原子和不同的分子空間結構,其吸收光能量的情況也就不會相同,因此,每種物質(zhì)就有其特有的、固定的吸收光譜曲線,可根據(jù)吸收光譜上的某些特征波長處的吸光度的高低判別或測定該物質(zhì)的含量。

紫外可見分光光度計.jpg

  紫外可見分光光度計詳細操作流程及校準方法:
  一、紫外可見分光光度計光度測量
  在模式選擇屏幕中選擇

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