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 ...
Our view of the ancient past is set to become a bit clearer after an international team of scientists completed a major recalibration of radiocarbon dating. The seven-year global effort used almost 15 ...
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 ...
Compared to simple laboratory tests, instrumental methods of analysis may give improved: A solution containing sodium ions gives a reading of four units on the flame photometer. Use the calibration ...
The Use of EDX Fluorescence Spectrometry for Pharmaceutical Elemental Impurity Analysis Based on USP
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 ...
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