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

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 ...

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 ...

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 ...

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 ...

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 ...