A novel method based on laser induced breakdown spectroscopy (LIBS) and random forest
regression (RFR) was proposed for the quantitative analysis of multiple elements in fourteen …

Aiming to mitigate disposal and water pollution problems, biochars were prepared from
cocoa pod husk (CPH) waste for application in artificial wastewater simulating real …

In recent years, LIBS quantitative analysis based on multivariate regression has received
considerable attention, and variable selection is critical for improving accuracy of …

Vanadium (V) is widely used industrially, and plays an important role in the biosphere.
Sensitive and reliable analytical methods to determine V in various kinds of samples are of …

A new binary liquid-liquid extraction technique incorporating 3-hydroxy-2-[1'-phenyl-3'-(p-
methoxyphenyl)-4'-pyrazolyl]-4 H-chromen-4-one (HPMPC) has been developed for the …

Two novel methods, first derivative spectrophotometric method (1 D) and first derivative ratio
spectrophotometric method (1 DR), have been developed for the simultaneous trace …

This study presents a comprehensive research to determine zirconium ions using an
electrochemical approach, employing 1-(2-hydroxy-1-naphthoyazo)-2-naphthol-4-sulphonic …

This study demonstrates the design, synthesis and sensing applications of a simple and
efficient chemosensor, 2-(1, 3-dioxo-1H-inden-2 (3H)-ylidene) hydrazinecarbothioamide (R) …

Laser-induced breakdown spectroscopy (LIBS) combined with random forest (RF) was
proposed for the quantitative analysis of sulfur (S) and phosphorus (P) in steel samples. The …

This paper discusses a general method for the use of orthogonal polynomials for unequal
intervals (OPUI) to eliminate interferences in two-component spectrophotometric analysis. In …