This article shows how the absorbance maxima of Ponceau-S is determined over a wavelength range of 220nm to 800nm using the Eppendorf BioSpectromenter ®. The methods of analysis using this ...

Having immediate access to clean freshwater is often taken for granted. The different stages of treatment that raw water from streams, rivers and lakes experiences to make sure a plentiful supply of ...

Measuring light-emitting devices and displays for design and quality control relies on accurate, scientific measurements of brightness (luminance), color (chromaticity), and other visual qualities.

Admesy has introduced the new, improved Hyperion colorimeter which has precise and fast color measurement capabilities integrated into a compact and robust package. When compared to the earlier models ...

Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan ...

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 ...

The ProMetric ® I-SC Solution combines the functions of an enhanced ProMetric I Imaging Colorimeter with a high-end spectrometer to provide a single platform for spectral data capture and accurate, ...