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spectrophotometer    
n. 分光光度计

分光光度计

spectrophotometer
n 1: a photometer for comparing two light radiations wavelength
by wavelength


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  • Spectrophotometry - Wikipedia
    A spectrophotometer is commonly used for the measurement of transmittance or reflectance of solutions, transparent or opaque solids, such as polished glass, or gases
  • Spectrophotometry – Definition, Principles, and Applications
    The device used in spectroscopy is called a spectrophotometer It is an instrument used to measure the intensity of light absorbed by a sample at specific wavelengths, allowing for the analysis of the sample’s concentration and composition
  • 2. 1. 5: Spectrophotometry - Chemistry LibreTexts
    Spectrophotometry is a method to measure how much a chemical substance absorbs light by measuring the intensity of light as a beam of light passes through sample solution The basic principle is that each compound absorbs or transmits light over a certain range of wavelength
  • Spectrophotometer – Principle, Types, Uses and Applications . . .
    It is done with the use of a spectrophotometer, a device that measures the intensity of light as a beam of light passes through a sample solution Light is a versatile element It can be reflected, scattered, transmitted, and absorbed
  • What Is a Spectrophotometer and How Does It Work? - HunterLab
    Spectrophotometers are used to measure the color of materials Materials can be solid, liquid, opaque, translucent, or transparent Different methods are used to measure these materials, depending on their form and transparency
  • What is a Spectrophotometer? - ChemTalk
    A spectrophotometer measures the amount of light that can pass through a sample It consists of a light source, a sample holder, a diffraction grating or prism to separate the light into its different wavelengths, and a detector to measure the amount of light absorbed at each wavelength
  • Spectrophotometry: Uses, Advantages Applications - Danaher Life Sciences
    In spectrophotometry, light interacts with matter as it passes through a sample ¹ The amount of light absorbed, emitted, or transmitted is measured at different wavelengths, providing valuable information about the substance's concentration and characteristics
  • Spectrophotometer – Principle, Parts, Types, Mechanism, Uses
    A spectrophotometer is a laboratory instrument that measures the amount of light absorbed by a sample and is used to determine properties such as concentration or absorption patterns of substances
  • Spectrophotometers - Idaho State University
    Since different compounds absorb light at different wavelengths, a spectrophotometer can be used to distinguish compounds by analyzing the pattern of wavelengths absorbed by a given sample





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