Calibration in analytical chemistry is fundamental to quantifying substances and ensuring the metrological integrity of measurement systems. By establishing a reliable relationship between the ...

Light scattering methods are often called ‘'absolute’ because the addition of a light scattering detector to an SEC system enables direct molecular weight measurement without creating a calibration ...

Researchers have produced a new archaeological tool which could answer key questions in human evolution. The new calibration curve, which extends back 50,000 years, is a major landmark in radiocarbon ...

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 ...

Fundamentals of LC-MS method development and easier approaches,Overview of method validation and transferStandard operating procedures for LC-MS modules, and troubleshooting strategies. Theory of ...

New guidelines governing the analysis of elemental impurities in pharmaceuticals are being implemented. Toxic heavy metals and residual metal catalysts may exist in the raw materials of Active ...