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spectrophotometer

XDict

n. 分光光度计

PyDict

分光光度计

WordNet (r) 3.0 (2006) (WordNet)

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

The Collaborative International Dictionary of English v.0.48 (gcide)

Spectrophotometer \Spec`tro*pho*tom"e*ter\, n. [Spectrum
photometer.]
1. (Opt.) An instrument for measuring or comparing the
intensities of the colors of the spectrum.
[1913 Webster]

2. (Chem., Physics) An analytical instrument for measuring
the degree of absorption of light at different wavelengths
by a chemical substance. A specific pattern of absorption
intensities at a series of wavelengths is a characteristic
of each different chemical substance.
[PJC]

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英文字典中文字典相关资料:

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
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
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
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
What Is the Function of a Spectrophotometer? - ScienceInsights
A spectrophotometer measures how much light a substance absorbs or transmits at specific wavelengths This single measurement reveals a surprising amount of information: what a substance is, how concentrated it is, and how pure it is
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
Amazon. com: Spectrophotometer
Digital Spectrophotometer,11+5+3mm Apertures,with Built-in Physical Positioning Holes,Suitable for Packaging and Printing Industries,Reflection Densitometer for spot Colors and CMYK Add to cart

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