Background Calibration is a critical component for the reliability, accuracy, and precision of
mass spectrometry measurements. Optimal practice in the construction, evaluation, and …

The reliable determination of arsine (AsH 3) and phosphine (PH 3) in hydrogen (H 2),
nitrogen (N 2) and liquefied petroleum gas (LPG) is of great importance because of its …

Detection of new psychoactive substances and synthetic opioids is generally performed by
means of targeted methods in mass spectrometry, as they generally provide adequate …

This research developed a new methodology using a gas chromatograph, a pulsed
discharge helium ionization detector (PDHID), and two mass spectrometric (MSD) detectors …

Economically motivated milk powder adulteration is an emerging and serious food safety
problem in China. An effective method for detecting fraudulent addition of cow milk to camel …

Water is a fundamental resource for living things, which is why its control is necessary. The
widespread use of pesticides for agricultural and non-agricultural purposes has resulted in …

Abstract Arsine (AsH 3) and phosphine (PH 3) in industrial emissions in the purification of
liquefied petroleum gas (LPG) in two petrochemical plants, one in Colombia, the other in …

Abstract Dried Blood Spots (DBS) represents a promising micro-sampling technique in the
field of forensic toxicology to carry out minimally invasive blood sample collection. In DBS …

Answer: No. Most goodness-of-fit (GOF) tests attempt to discern a preferred weighting using
either absolute or relative errors in the back-calculated calibration x values. However, the …

The detection of nitazenes in biological fluids is increasingly needed as they are repeatedly
reported in intoxication and overdose cases. A simple method for the quantification of low …