A small team of chemists, having learned the secrets of light absorption from chlorophylls a and b, can now tune molecules to absorb anywhere in the solar spectrum. They are using this facility to ...

UV-Vis spectroscopy is an analytical technique that measures the amount of discrete wavelengths of UV or visible light that are absorbed by or transmitted through a sample in comparison to a reference ...

New Tools Bridge Gap between Single and Multiple Sample Absorbance Instruments For generations after Gustav Kirchhoff and Robert Bunsen deduced that almost all molecules in nature absorb and emit ...

Thermo Scientific™ Evolution™ UV-Visible Spectrophotometers with Thermo Scientific™ INSIGHT™ Software provide a reliable, simple-to-use solution for pharmacopeia compliance support. The EP and USP ...

The basic principles of AAS can be expressed as follows. Firstly, all atoms or ions can absorb light at specific, unique wavelengths. When a sample containing copper (Cu) and nickel (Ni), for example, ...