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Separations, Volume 9, Issue 6

June 2022 - 22 articles

Cover Story: Nowadays, due to the increasing attention paid to healthy food and alternative diets, the consumption of hemp-flour-based products, hemp seeds and oil is spreading widely. The substantial growth of the hemp market necessitates guidelines for hemp cultivation that guarantee its value, origin and quality. This study determined the specific stable isotope ratio ranges of five bioelements (δ2H, δ13C, δ15N, δ18O and δ34S in Italian industrial hemp intended for food use, setting the groundwork for the first isotopic database for this little-investigated high-value crop. Research findings corroborate the reliability of using light stable isotope ratios to characterize origin and types of fertilization of Cannabis sativa cultures, paving the way for future studies on the authentication and traceability of hemp-derived food products and the verification of their organic labeling. View this paper
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Articles (22)

  • Article
  • Open Access
28 Citations
4,669 Views
13 Pages

A Study of Copper (II) Ions Removal by Reverse Osmosis under Various Operating Conditions

  • Ramzi H. Harharah,
  • Ghassan M. T. Abdalla,
  • Abubakr Elkhaleefa,
  • Ihab Shigidi and
  • Hamed N. Harharah

The study aims to treat artificial wastewater contaminated with copper (II) ions by reverse osmosis using (SEPA CF042 Membrane Test Skid-TFC BW30XFR). Several concentrations of feedstock were prepared. Different operating pressure, temperature, and f...

  • Review
  • Open Access
18 Citations
5,947 Views
40 Pages

A review of the investigations devoted to the solvent extraction processes of metal ions with a chelating ligand thenoyltrifluoroacetone (HTTA) is presented herein. It seems that this molecule has been preferred in the field for more than half a cent...

  • Article
  • Open Access
4 Citations
2,615 Views
15 Pages

Recycling waste concrete has become a large problem in developing countries. The aim of this work is to provide guidance for screening concrete particles and improving screening efficiency. First, the elastoplastic collision model is established for...

  • Article
  • Open Access
16 Citations
4,229 Views
20 Pages

Comparative Study of Natural Antioxidants from Glycine max, Anethum graveolensand Pimpinella anisum Seed and Sprout Extracts Obtained by Ultrasound-Assisted Extraction

  • Fanica Balanescu,
  • Anna Cazanevscaia Busuioc,
  • Andreea Veronica Dediu Botezatu,
  • Steluta Gosav,
  • Sorin Marius Avramescu,
  • Bianca Furdui and
  • Rodica Mihaela Dinica

The study aimed to evaluate the antioxidant potential of sprout and seed extracts from three species of plants, namely Glycine max (GMsp-sprouts, GMsd-seeds), Anethum graveolens (AGsp-sprouts, AGsd-seeds) and Pimpinella anisum (PAsp-sprouts, PAsd-see...

  • Feature Paper
  • Article
  • Open Access
19 Citations
8,958 Views
21 Pages

Wastewater treatment for indirect potable reuse (IPR) is a possible approach to address water scarcity. In this study, a novel membrane bioreactor–membrane distillation (MBR-MD) system was evaluated to determine the environmental impacts of tre...

  • Article
  • Open Access
1 Citations
2,697 Views
16 Pages

Nanoporosity and Isosteric Enthalpy of Adsorption of CH4, H2, and CO2 on Natural Chabazite and Exchanged

  • Miguel Ángel Hernández,
  • Karla Quiroz-Estrada,
  • Gabriela I. Hernandez-Salgado,
  • Roberto Ignacio Portillo,
  • Juana Deisy Santamaría-Juárez,
  • Ma de los Ángeles Velasco,
  • Efraín Rubio and
  • Vitalii Petranovskii

This paper describes the isosteric enthalpy through narrow pores at low levels of coverage through adsorption of CO2, CH4, and H2 on pores in natural chabazite exchanged with aqueous solutions of Na+, Mg2+, and Ca2+ salts at different concentrations,...

  • Article
  • Open Access
2 Citations
2,265 Views
15 Pages

High potential toxic element (PTE) concentrations in soils that exceed local regulatory threshold values have been reported in non-polluted mountainous areas worldwide. However, there have been few studies that have comprehensively investigated the c...

  • Review
  • Open Access
39 Citations
11,409 Views
29 Pages

The extensive use of pesticides represents a risk to human health. Consequently, legal frameworks have been established to ensure food safety, including control programs for pesticide residues. In this context, the performance of analytical methods a...

  • Article
  • Open Access
21 Citations
3,942 Views
9 Pages

The analytical GREEnness metric (AGREE) tool is widely used as a reliable greenness assessment method for chromatographic analyses. The AGREE tool has the ability to determine the greenness of analytical methods in terms of both quality and quantity,...

  • Article
  • Open Access
5 Citations
3,420 Views
13 Pages

Stability as a function of mobile phase pH is an important consideration when selecting a chromatographic column. While the pH stability of reversed-phase columns is widely studied, there are relatively few reports of the stability of hydrophilic int...

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Separations - ISSN 2297-8739