Overview: This presentation will provide an overview of the rules and assumptions behind the calibration of analytical instruments. We will discuss how external standard, internal standard, and ...

Changes in calibration curves from one time to the next, caused by drift, often require measuring devices to be recalibrated at frequent intervals. In such situations the usual practice is to estimate ...

"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 ...

A Shimadzu LC-20AT pump (Shimadzu Corp., Kyoto, Japan) directed solvent at a flow rate of 1.00 ml min −1 to a Shimadzu SIL-20ACHT autosampler that was connected to a Shimadzu ELSD-LTII evaporative ...

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 ...

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 ...