Results 21 to 30 of about 121,736 (313)
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
Water Science and Technology, 2021 Under varied conditions, the IRC 718 ion-exchange resin is used to extract chromium (VI) ions from aqueous solutions. On chromium (VI) removal effectiveness, the effects of adsorption dosage, contact time, beginning metal concentration, and pH were ...
Abdelhamid Addala +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
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
Poultry Science, 2021 Hexavalent chromium (Cr(VI)) has carcinogenic, nephrotoxic, hepatotoxic, and neurotoxic effects. Exposure to Cr(VI) can also lead to hematological alterations and blood biochemical changes. The literature on Cr(VI) toxicity concerns mostly adult forms of
Bartosz Bojarski +7 more
doaj +1 more source
Biosorption of chromium (VI) by chitosan-immobilized acinetobacter haemolyticus [PDF]
, 2012 In this study, the ability of chitosan-immobilized Acinetobacter haemolyticus as biosorbent for chromium (VI) biosorption in batch system was investigate.
Ahmad, Norlaily +2 more
core +1 more source
Zhongguo gonggong weisheng, 2023 Hexavalent chromium Cr(VI) is obtained by heating trivalent chromium in minerals under aerobic conditions, which is widely used in industrial production.
Rui-rui ZHU, Ning-ning LI, Guang JIA
doaj +1 more source
Concentrator cell methodology in the regeneration and recycle of chromium etching solutions using membrane technology [PDF]
, 2006 The regeneration of chromium (VI) and the recovery of etched copper from chromium etching solutions by electrodialysis is improved by the addition of a concentrator cell, using ion exchange resins or activated carbon cloth as concentrator media, in the ...
Chaudhary, AJ, Ganguli, B, Grimes, SM
core +1 more source
Competitive reaction modelling in aqueous systems. The case of contemporary reduction of dichromates and nitrates by nZVI [PDF]
, 2017 In various Countries, Cr(VI) still represents one of the groundwater pollutant of major concern, mainly due to its high toxicity, furthermore enhanced by the synergic effect in presence of other contaminants.
Di Palma, Luca +2 more
core +1 more source
Journal of Applied Sciences and Environmental Management, 2019 The adsorption capacity of modified (MML) and unmodified (UML) mangrove leaves sorbents on chromium (VI) was analyzed in terms of pH, adsorbent doze, chromium (VI) concentration and contact time using batch adsorption technique.
E.N. Nduka, G.A. Cookey, S.D. Iboroma
doaj +1 more source