The wavelengths are between 40 and 400 nanometers, which is the unit of measurement. When looking at the Electromagnetic ...

It involves measuring the absorption of light by molecules across a wavelength range from the mid and near UV (200 nm–400 nm) to visible light (400 nm–900 nm). The shape of absorption spectra, ...

What is UV-Vis Spectroscopy? UV-Vis spectroscopy, short for ultraviolet-visible spectroscopy, is an analytical technique that measures the absorption or reflectance of light by a sample in the ...

Leading into World War II, American scientists scrambled for a way to determine what vitamins, particularly vitamin A, were in food in order to keep US soldiers well-nourished. But state-of-the-art ...

There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light, ultraviolet radiation, and X-rays.

Higher frequencies, which are those above the visible spectrum, make up ultraviolet (beyond violet) light. Having the most energetic frequencies, UV light can wrinkle your skin, give you sunburn ...

Protein aggregates can irreversibly form in solution through a number of processes and are common within unstable samples. This results in a lower concentration of non-aggregated materials which can ...

Keep learning. Excel in your career. Choose from more than 200 courses in seven different categories, taught by experts in the chemistry community, online and in person.

The next partial solar eclipse is not one you want to miss — but view it safely with these solar eclipse glasses that are $17 ...

A PMT detector is provided for the UV/VIS region and a Peltier-cooled PbS ... with a color LCD touch screen and Spectra Manager™ II software, the latest version of JASCO's innovative cross ...

Two graphical user interfaces are available including a newly redesigned intelligent remote module (iRM) with a color LCD touch screen and Spectra Manager™ II software, the latest version of ...