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Various Use of Spectrophotometer on several Fields of Science


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A spectrophotometer can be a scientific instrument widely used in research and industrial laboratories. The instrument is often found in the fields of molecular biology, chemistry and biochemistry as it highly identifies creation of Ultraviolet-Visible Rays. This light energy depends upon wavelengths which can be called lambda that may extend on the specific range. A normal eye would usually answer wavelengths which extend 390 to 750 nanometers.

The spectrum regarding is similar to the colors of rainbow which experts claim defines colors which can be readily interpreted by the brain. An optimum sensitivity for the human eye is around 555 nm which is round the green portion of the optical spectrum. Additionally, there are colors which are not readily comprehended with the brain unless blended with multiple wavelengths. Unsaturated colors for example pink, magenta or purple are good instances of this.

The visible window overlaps a persons visible response spectrum. Even though the near infrared (NIR) spectrum is just outside the human response window along with the medium and long wavelength are way past the human region's response. Other species also have the same function for visualizing colors like humans. Just like the bees and also other insects, they could see ultraviolet rays that assist them find nectars in flowers.

Hence, spectrophotometer is essential in order to investigate the spectrum associated with that objects emit and absorb. Example, when manufacturing computer monitors; NIR companies would blend red, green and blue in their respective color triangles. But blending of colours is difficult advertising seems because they have various wavelength i.e. blue is 450-474 nm.

Where are Spectrophotometer used?

The samples for Ultra violet rays usually are measured in containers called cuvettes. This is often utilized if used in the visible spectrum and ultraviolet ray measurements. NIR spectrophotometer is often employed for industrial coloring specifically in textile and ink manufacturers. Moreover, they're also used in for color-sensitive materials used just for forensics like printers.

Regarding biological and chemical research, solutions may be measured through the level of light absorption in a specific wavelength. Example, molecular biology use NIR spectrometer to measure the energy DNA samples because of its compound mixture. These guys when enzymatic or chemical reactions induce to have materials to alter overtime. Illustration of this can be oxidation among citrus fruits. A spectrophotometer is helpful in identifying how much oxidation accounts for the brownish effect on fruits.

Lastly, NIR reflectance is utilized to confirm the spectroscopic method begin using these materials. Moreover, reflectance is used to signal stretching or bending of chemical molecules like, nitrogen, carbon, hydrogen and oxygen. Such reflectance is highly useful when searching for qc of materials.


Lisun Electronics Inc was found by Lisun Group in 2003. We have sales & service offices in Shanghai, Russia, India and Korea. In 2012, we built a high level products show room & lab center in Shanghai. Lisun Group has set up a new manufactory in China to research and develop the world high-technology CFL & LED Test Instruments. Its quality system has been strictly certified by ISO9001:2008. The Lisun Group products have been authenticated by the third party lab and were awarded by CE certificate. As a CIE Supportive Member, all of the test instruments produced by Lisun Group are designed according to CIE Standards.

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