Distinguish between spectrograph spectroscope spectrometer and spectrophotometer
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Answer:
Explanation:
Spectrometer
A spectrometer is a tool that scientists use to gather information about a substance based on the visible, ultraviolet or infrared light that it projects, and can be used in different fields of science. For example, astronomers use spectrometers to find the temperature of an object in space, gauge the speed that it is traveling and even estimate the object's weight. Scientists also use spectrometers to determine the composition of items on Earth or in space. This includes the elemental components of items. Scientists in the medical field often use spectrometers to identify contaminants, toxins in the bloodstream or even diseases.
Spectrophotometer
A spectrophotometer is a device that is used to measure the intensity of electromagnetic radiation at various wavelengths. Spectrophotometers are used to measure the absorbency of a certain wavelength of a solution, reflectance of solutions, transmittance or the transparency of solids. In addition, they also measure the diffusivity of the light ranges in electromagnetic radiation spectrum that covers about 200nm to 2500nm with different calibrations and controls. There are two basic classifications of spectrophotometer. The first type is a double-beam spectrophotometer, which compares the intensity of light between one reference light path, and the substance that is being measured. The second type measures the relative light intensity of the beam prior to and after the test sample is introduced.
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✏ANSWER ✍
In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength.
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