Azo dyes, compounds having double bond linkage between two nitrogen atoms, are widely
found as a main scaffold in a massive library of organic species that exhibit promising …

Colour plays a decisive role in the marketing of a cosmetic product. Among thousands of
substances used to colour, synthetic dyes are the most widespread in the industry. Their …

Herein, trisodium citrate based magnetite nanocomposite (Fe3O4–TSC) was used for
malachite green (MG) dye expulsion from aqueous medium. The adsorption tests were …

The use of cosmetics and personal care products is increasing worldwide. Their high matrix
complexity, together with the wide range of products currently marketed under different forms …

The aim of this paper was to present the diversity of analytical challenges in which the
MSPD technique is useful and the variety of sorbents that are currently applied to meet these …

Matrix solid phase dispersion (MSPD) has proven to be an efficient sample preparation
method for solid, semi-solid, and viscous samples. Applications of MSPD have covered …

Deep eutectic solvents (DES), which have low toxicity and are low cost, biodegradable, and
easily synthesized, were used for the extraction of neutral red (NR) dye before its …

Abstract Tartrazine (E102, FD&C Yellow 5) is a vibrant yellow azo dye added to many
processed foods. The safety of this ubiquitous chemical has not been fully elucidated, and it …

Microextraction techniques have gained special relevance since their appearance in the
90s, and the analysis of cosmetic products has not been immune to this trend. The first …

Micro matrix solid phase dispersion (micro-MSPD) was optimized by response surface
methodology for the extraction of polyphenols from the peel of twelve traditional and eight …