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 ...

Due to the chemical nature of the sensing electrode, every pH probe experiences sensor drift over time. This drift is an ...

A calibration curve has been created in accordance with ASTM D4929 method to show the analysis of chlorine (Cl) in oil. The only difference in method was the use of a rhodium anode tube. The powerful ...

Together with water, foods supply the main part of the total daily intake of trace elements by humans. In the human diet around the world, vegetables and spices are some of the most common foods. In ...

Improved date estimates The Kyrenia Ship hull on the seabed during underwater excavation in the late 1960s. (CC BY 4.0/Kyrenia Ship Excavation team) The Kyrenia Ship is an ancient merchant vessel that ...

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 ...