The successive projections algorithm (SPA) is a variable-selection technique that has
attracted increasing interest in the analytical-chemistry community in the past 10 years. The …

ATR-FTIR spectroscopy in the combination with chemometrics has been practiced over the
past decades. Works presented in numerous disciplines provide ample empirical evidence …

In order to accurately and conveniently measure temperature and water content in
bioethanol, a dual-function ratiometric luminescence sensor has been fabricated …

ABSTRACT Ultraviolet-visible (UV-Vis) spectral information (190–400 nm) was used to
classify coffee samples into either pure peaberry or pure normal coffee classes using two …

Forensic chemistry is the application of analytical chemistry to forensic analysis and is today
one of the hot topics in the scientific literature as it can provide valuable information …

Improper mixtures of: motor oil with crude oil; and derivatives mixed with other derivatives of
lesser commercial value were identified in Brazil by companies in the energy sector. This …

Fuel quality control has gained interest in many countries owing to the potential damage of
low-quality fuel to engines, the environment, and economy. Thus, the application of …

Fluorescent sensors have been extensively employed in efficient energy utilization and
environment protection. In this work, an amino-decorated metal–organic framework [Cd (3 …

This work proposes an analytical method for cereal bar classification based on the use of
near infrared spectroscopy (NIRS) and supervised pattern recognition techniques. Linear …

Gasoline may contain additives which can minimize the amount of pollutants emitted to the
atmosphere. Detergents and dispersants added to gasoline can reduce gas emissions …