A basic scientific tool for chemistry and biology is a colorimeter device used to measure which wavelengths of light a particular sample solution absorbs. Some applications of colorimeters are ...

Colorimetry is, as the name suggests, the study of color. The technique differs from spectroscopy, which measures spectral output across a range of wavelengths, as it is concerned with how color is ...

For anyone dabbling in home chemistry, having access to accurate measurement equipment can mean the difference between success and failure. But with many instruments expensive and hard to find, what’s ...

Just four buttons on the Hach Pocket Colorimeter II allow easy operation. The Read/Enter key is used when measuring sample concentrations or to confirm menu choices. The Menu key provides quick menu ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. Photoelectric colorimetry was a hot topic in the mid-1930s when Arnoldus Goudsmit Jr. and William Henry Summerson ...

CCD-based instruments can provide accurate measurement of spatial colour and luminance information for displays, instrument panels, light sources and luminaires. Sean Skelley, Doug Kreysar and Kevin ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Louis Jules Duboscq, a French ...

Critical design factors in the automotive industry include the quality of lighting and displays. Measuring the colors emitted from the lights and displays accurately allows high-quality, precise ...