scispace - formally typeset
Search or ask a question

What does A spectrophotometer generally consists of? 


Best insight from top research papers

A spectrophotometer generally consists of a light emitter that emits light to a measurement target, a light disperser that disperses the reflected light, a light receiver that receives the dispersed light and outputs a light intensity measurement, and a calculator that calculates the reflection spectrum based on the received light intensities . It also includes an electronics compartment with a light source and an optical detector, and a testing compartment with an optical block, fluid connection ports, and light pipes that connect the light source and the optical block, and the optical block and the optical detector . Additionally, it includes a light source, a diffraction grating, a spatial filter unit, a detection unit, and an analysis unit . Furthermore, it includes an optical detecting unit, a circuit unit with gain amplifiers and analog-to-digital converters, a saturation criterion unit, and a measuring result computation unit . Lastly, it comprises a white light source, condenser lenses, a slit, a concave diffraction grating, and a multiwavelength detector with photo detection elements .

Answers from top 5 papers

More filters
Papers (5)Insight
A spectrophotometer generally consists of a white light source, condenser lenses, a slit, a concave diffraction grating, and a multiwavelength detector with photo detection elements.
A spectrophotometer generally consists of an optical detecting unit, a circuit unit with gain amplifiers and analog-to-digital converters, a saturation criterion unit, and a measuring result computation unit.
Patent
18 Apr 2016
1 Citations
The provided paper is about a spectroscopic measurement apparatus, not a spectrophotometer. Therefore, the paper does not provide information about what a spectrophotometer generally consists of.
The paper does not explicitly mention what a spectrophotometer generally consists of.
The provided paper is about a spectroscopic measurement apparatus, not a spectrophotometer. Therefore, the paper does not provide information about what a spectrophotometer generally consists of.

Related Questions

WHAT IS spectrophotometer?4 answersA spectrophotometer is an analytical instrument used to measure the interaction of electromagnetic radiation with matter. It involves emitting light onto a sample and analyzing the intensity of the light that is either absorbed or reflected by the sample. Spectrophotometry is crucial for identifying and quantifying substances in various fields like raw materials and pharmaceutical products. Modern spectrophotometers can even correct concentration changes due to temperature variations during measurements without altering the calibration curve, enhancing their flexibility and accuracy. Additionally, advancements in spectrophotometry have led to the development of systems that can detect sample concentration, color, purity, and wavelength information using LED and color sensors, making the process more cost-effective and accessible to a wider range of users.
What is spectrophotometry?5 answersSpectrophotometry is a technique used to identify and quantify the amount of a known substance in an unknown medium by measuring the interaction of electromagnetic radiation with matter. It is based on the principle that the amount of specific radiation absorbed or reflected by a sample is relative to the intensity of the incident radiation at a particular wavelength. Spectrophotometry has various applications, including analyzing the optical properties of human skin for diagnosing skin diseases, identifying and quantifying raw materials and pharmaceutical products, and measuring intermediate product properties in lithium-ion battery production. Recently, there have been developments in low-cost spectrophotometric methods, such as using a smartphone's ambient light sensor in conjunction with a 3D-printed cuvette holder and interchangeable LED block.
What is the difference between a spectrometer and a spectrophotometer?4 answersA spectrometer and a spectrophotometer are both tools used to measure the wavelength and amplitude of light. However, there are some differences between the two. A spectrometer is used to capture the entire spectrum of light in a single acquisition by identifying wavelengths based on where the light hits the detector array. On the other hand, a spectrophotometer is used to measure the concentration of components in a test sample by analyzing the optical spectrum obtained from the sample. While both instruments have similar functions, a spectrometer is more focused on capturing the entire spectrum of light, while a spectrophotometer is more focused on analyzing the concentration of components in a sample.
What are the main advantages and disadvantages of using a UV-vis spectrophotometer?5 answersUV-vis spectrophotometers have several advantages and disadvantages. One of the main advantages is their ability to measure the concentration of analytes by detecting their absorbance of light at specific wavelengths. This makes them a valuable tool for quantitative analysis and kinetic studies. UV-vis spectrophotometers are also widely used for assaying concentrations and characterizing chemical processes. Another advantage is their ability to probe the electronic states of molecules, making them useful for detailed physical studies. However, there are also some disadvantages to using UV-vis spectrophotometers. One disadvantage is their cost, which can limit their widespread use. Another disadvantage is their lack of portability and requirement of constant power, which can affect their use in time-sensitive field tests. Additionally, UV-vis spectrophotometers may not be the first choice for structural analysis compared to other spectroscopies like nuclear magnetic resonance.
What are the advantages and disadvantages of using a UV-Vis spectrophotometer?5 answersUV-Vis spectrophotometers have several advantages and disadvantages. One advantage is that they allow for multi-parameter measurement of water quality in real-time, without the need for reagents, and at a low cost. Another advantage is their portability and low cost, making them accessible for field tests and increasing mobility. UV-Vis spectrophotometers are also useful for high-throughput analysis, offering cost and time savings compared to other methods. However, there are also disadvantages. Conventional benchtop UV-Vis spectrophotometers are large in size and have extreme performance, making them unsuitable for in-situ water quality detection. Additionally, the use of synthetic dyes in food products, such as rhodamine b in shrimp paste, can be harmful to health, and UV-Vis spectrophotometers are used to detect these additives. Overall, UV-Vis spectrophotometers offer advantages in terms of cost, portability, and high-throughput analysis, but their limitations include size and performance constraints, as well as the need for detection of harmful additives in food products.
How do you read a spectrophotometer absorbance?7 answers