Reactivity difference between protolytic forms of some macrocyclic chromium(III) complexes in ligand substitution and electron transfer processes [PDF]
, 2010 The review provides insight into the mechanism of ligand substitution and electron transfer (from chromium( III) to iron(III)) by comparison of the reactivity of some tetraazamacrocyclic chromium(III) complexes in the conjugate acid-base forms.
Chatlas, J. +9 more
core +1 more source
Influence of chromium (III), cobalt (II) and their mixtures on cell metabolic activity
Current Issues in Pharmacy and Medical Sciences, 2021 Chromium (III) and cobalt (II) are necessary elements required for the proper functioning of the organism, but their excess can cause toxic effects. They are the basic components of implants and are also commonly used in medicine as components of dietary
Czarnek Katarzyna, Siwicki Andrzej K.
doaj +1 more source
Studies on chromium(III) removal from aqueous solutions by sorption on Sphagnum moss peat [PDF]
Journal of the Serbian Chemical Society, 2009 Batch sorption experiments were performed for the removal of chromium(III) ions from aqueous solutions using Romanian Sphagnum moss peat (untreated and treated with NaCl solution) as sorbent.
MATEI MACOVEANU +2 more
doaj +3 more sources
Processing date kernels for iron (III) and chromium (VI) adsorption from water [PDF]
Journal of Applied Research in Water and Wastewater, 2023 Inexpensive and new adsorbents, which are produced by processing the abundant agricultural by-products, can provide an efficient solution for a cleaner environment. The occurrence of heavy metals in water may pose a significant threat to human health. In
Behzad Hossieni +2 more
doaj +1 more source
Effects of trivalent and hexavalent dietary chromium on blood biochemical profile in Japanese quails [PDF]
Bulgarian Journal of Veterinary Medicine, 2018 Trivalent chromium is an essential trace element for humans and animals and it is the final product of hexavalent chromium reduction in the cell. It is an integral part of the glucose-tolerance factor, which increases the systemic impact of insulin.
A. Alijagic +3 more
doaj +1 more source
Preparation of Silica Modified with 2-Mercaptoimidazole and its SorptionProperties of Chromium(III)
E-Journal of Chemistry, 2009 Modified silica gel was prepared to remove the heavy metal of chromium(III) from water sample. Silica gel was used as supporting material and the 2-mercaptoimidazole was immobilized onto surface silica so that the silica would have selective properties ...
Harry Budiman +2 more
doaj +1 more source
The simultaneous detection of trivalent & hexavalent chromium in exhaled breath condensate: A feasibility study comparing workers and controls [PDF]
, 2016 The analytical method outlined in this feasibility study has been used to show that trivalent chromium (Cr(III)) and hexavalent chromium (Cr(VI)) can be detected and measured in exhaled breath condensate (EBC) samples.
Carolan, Vikki +3 more
core +1 more source
Production of Chromium Oxide from Turkish Chromite Concentrate Using Ethanol
High Temperature Materials and Processes, 2015 In this study, the possibility of chromium extraction from Turkish chromite concentrate and the production of chromium oxide were investigated. For the conversion of chromium(III) into chromium(VI), NaOH was employed, as well as air with a rate of 20 L ...
Aktas S. +4 more
doaj +1 more source
Simultaneous spectrophotometric determination of chromium (VI) and iron (III) in alloys [PDF]
, 2015 In this work the possibility of simultaneous spectrophotometric determination of chromium (VI) and iron (III) in alloys with help of the mixed organic reagents (diphenylcarbazide and 1,10-phenanthroline, diphenylcarbazide and sulphosalicylic acid) is ...
Bulygina, K. A. +1 more
core +1 more source
Diastereomeric Pyoverdin-Chromium(III) Complexes
Zeitschrift für Naturforschung C, 2002 Coordination isomeric diastereomeric Cr3+ complexes of the pyoverdin of Pseudomonas aeruginosa ATCC 15692 could be separated by chromatography and characterized by spectroscopic methods.
Herbert, Budzikiewicz +2 more
openaire +2 more sources