Growing demand for quicker and more accurate ways to identify unknown chemical compounds in a wide variety of industries, including drug testing, food and beverage safety and petrochemical analysis ...

Equipment for gas chromatography, liquid chromatography and mass spectrometry is complex, with multiple subsystems that control the flow of sample analyte, carrier gas and solvent fluids. The ...

Long-term instrumental data drift is a critical challenge for ensuring process reliability and product stability. In this study, we conducted 20 repeated tests on the smoke of six commercial tobacco ...

Forensic techniques are used to investigate and help solve many different crimes, including theft, drug trafficking and use, murder, and terrorism. Forensic scientists, therefore, need to use the most ...