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

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 ...

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 web application is designed to process ICP-MS calibration and sample data from Excel files. To use it, download the template file, fill in your calibration and sample measurements, then upload it ...

In this lab, students will determine the amount of caffeine in a beverage. Students will determine the retention time of pure caffeine. From this information, students will be able to identify the ...

"PD curve calibration" refers to the transformation of a set of rating grade level probabilities of default (PDs) to another average PD level that is determined by a change of the underlying portfolio ...

Can there be good reasons for judging one set of probabilistic assertions more reliable than a second? There are many candidates for measuring "goodness" of probabilistic forecasts. Here, I focus on ...

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 ...