Showing papers in "Microchemical Journal in 2016"

TL;DR: Pigments Checker is a collection of swatches of historical and modern pigments that offers art professionals, conservation scientists, conservators and fine art photographers, a tool to evaluate and test their imaging and spectroscopic methodologies for pigment identification as discussed by the authors.

TL;DR: The present review aims at describing the main characteristics of the analytical methods recently used for E2 and EE2 determination in environmental and biological samples and the instrumental based analytical techniques are compared.

TL;DR: In this paper, the photocatalytic degradation of an organic dye, acid blue 9, in an aqueous solution containing titanium dioxide, is followed over time by means of UV-Vis spectrophotometry.

TL;DR: In this paper, the application of multivariate designs and mathematical-statistical techniques to establish optimal conditions of analytical methods for elemental analysis using inductively coupled plasma optical emission spectrometry (ICP OES) as a detection technique is discussed.

TL;DR: In this paper, the authors explored the possibilities for application of 1H Time Domain Nuclear Magnetic Resonance (1H TD-NMR) as a rapid method for assessment of milk quality.

TL;DR: In this paper, a combination of dispersive micro solid-phase extraction (DMSPE) with high-resolution continuum source graphite furnace atomic absorption spectrometry (HR-CS GFAAS) was developed for the sequential determination of cadmium and lead in water samples.

TL;DR: In this article, the stability of two types of acrylic binding media, alkyd and polyvinyl acetate (PVAc), to UV light also including the UV-B range (315-280nm, middle UV) for simulating sunlight outdoor conditions was studied and compared by double-shot and single-shot Py-GC/MS, FTIR-ATR, and colour measurements.

TL;DR: In this paper, an analytical methodology based on the combination of electronic and vibrational spectroscopies was developed for the non destructive identification of different forms of yellow Cd 1−−x Zn x S solid solutions.

TL;DR: In this paper, the analytical suitability of two different hyperspectral imaging systems of Goya's paintings kept in the Museum of Zaragoza (Spain) was evaluated and the main pigments used were identified by imaging reflection spectroscopy.

TL;DR: In this paper, a new method for the determination of bisphenol A (BPA) in milk samples is presented, which comprises a precipitation process, bearing in mind that the analyte has a high tendency to interact with the fatty compounds of the milk, and a magnetic micro-solid phase extraction prior to the determination by high-performance liquid chromatography with UV detection.

TL;DR: In this article, a new cross-linked Chitosan-based heterogeneous Fenton catalyst (Chitosans/Hydroxyapatite/Fe3O4 magnetic composite) was developed for metal-complex dyes removal.

TL;DR: In this article, a low solvent consumption method was developed to determine 27 different classes of pesticides (including organochlorine pesticide, organophosphorus pesticide, pyrethroid pesticide, fungicide, herbicide and acaricide) in wine using dispersive liquid-liquid microextraction (DLLME).

TL;DR: In this article, the effect of roasting conditions on the NIR and HPLC profiles of coffee samples was systematically evaluated by ANOVA-simultaneous component analysis (ASCA), also as a function of the varietal origin (Arabica or Robusta) of the beans.

TL;DR: In this article, a liquid cathode glow discharge-atomic emission spectrometry (LCGD-AES) was constructed for simultaneously determination of K, Na, Ca, Mg and Zn in water samples (tap water, mineral water, Yellow River water and waste water).

TL;DR: Interference studies showed no significant reduction in the binding of either Cu2 or Pb2+ to the Fe3O4 or Fe2O3 nanomaterials in the presence of solutions containing the individual ions Na+, K+, Mg2+ and Ca2+ or a solution consisting of a combination of all the aforementioned cations in one solution.

TL;DR: In this article, the potential of reflection infrared spectroscopy in discriminating among different binding media in 20th century painting, with relation to distortion effects due to the mixing of surface and volume reflection and potential overlaps by pigment absorption bands, was evaluated.

TL;DR: In this paper, a hybrid nanomaterial was synthesized to be used in dispersive solid phase microextraction, which was evaluated for the isolation of 11 endocrine disrupting compounds (benzophenones, bisphenol A and parabens) from water samples.

TL;DR: In this article, the authors evaluated the Myriophyllum aquaticum and Potamogeton pusillus macrophytes as indicator organisms of heavy metal pollution in biomonitoring studies of the aquatic ecosystem.

TL;DR: In this paper, a self-cleaning nano-TiO2 treatment based on dispersion of solar-light activated TiO2 nanocrystals was proposed for the preservation of cultural heritage.

TL;DR: In this paper, magnetic Fe3O4@ZIF-8 core-shell nanoparticles (MNPs) were employed for effective adsorption of inorganic arsenic for preconcentration.

TL;DR: In this article, a simple and highly sensitive plasmonic colorimetric method is developed for the detection of Pb2 + in aqueous samples, which is based on the aggregation of gold nanoparticles (AuNPs) or SiO2core-Aushell nanocomposites (SiO2@Au NCs) in the presence of pb2+ ions.

TL;DR: In this paper, the results from a comparative evaluation of the global cleaning effectiveness of four graffiti colours (red, blue, black and silver) applied on two granites with different textures and compositions were evaluated.

TL;DR: In this paper, the adaptation of classical proteomic strategies in the analysis of ancient samples to meet the different aims in the cultural heritage field is discussed, and some examples of the adaptation are presented.

TL;DR: In this paper, the Fourier transform infrared (FTIR) reflectance spectroscopy was used for the contactless, non-invasive, and in situ analysis of historic plastics.

TL;DR: A broad survey using major, minor and trace element analyses of 8th-15th AD plant ash glass from the Middle East across a 2000 mile area stretching from Egypt to northern Iran is presented in this article.

TL;DR: The long-term performance of the conservation-restoration treatment applied in Moroccan libraries has been questioned, to predict and rank the behavior of restored papers under extreme conditions of storage as mentioned in this paper.

TL;DR: In this paper, the chemical characterisation of spray paint components was performed using Fourier Transform Infrared (FTIR) spectroscopy, pyrolysis/Gas Chromatography-Mass Spectrometry (Py/GC-MS) and μ-Raman spectroscopic analysis.

TL;DR: A tutorial reviewing the basic concepts, fundamental approach and a work guide are presented for those who contemplate simplex optimization as a tool to develop analytical methods.

TL;DR: In this article, an analytical method for the analysis of VOC emissions from historic plastic and rubber materials using SPME-GC/MS was developed for detecting degradation processes within historic objects.

TL;DR: In this article, a new X-Ray Fluorescence (XRF) spectrometer was used to analyze the painting "La Muta" of Raffaello Sanzio, one of the “Old Masters” of the Italian Renaissance.