Journal ArticleDOI
Preconcentrative separation of chromium(VI) species from chromium(III) by coprecipitation of its ethyl xanthate complex onto naphthalene.
TLDR
The developed procedure has been successfully utilized for the estimation of chromium(VI),chromium(total) (after oxidation with bromate) and chromium (III) (by subtracting chromia(VI) content from chromium-total) value contents of several tannery industries.About:
This article is published in Talanta.The article was published on 2004-06-17. It has received 141 citations till now. The article focuses on the topics: Chromium & Detection limit.read more
Citations
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Journal ArticleDOI
Multiwalled carbon nanotubes for speciation of chromium in environmental samples.
Mustafa Tuzen,Mustafa Soylak +1 more
TL;DR: The presented method was applied for the speciation of chromium in natural water sample with satisfactory results (recoveries>95%, R.S.D.'s<9%).
Journal ArticleDOI
N-doped porous carbon with magnetic particles formed in situ for enhanced Cr(VI) removal.
TL;DR: The newly designed N-doped porous carbon with magnetic nanoparticles formed in situ (RHC-mag-CN) demonstrated a very quick adsorption property for the removal of Cr(VI), and shows perfect magnetic separation performance from aqueous solution.
Journal ArticleDOI
Removal of Cr(VI) from aqueous solution using modified corn stalks: Characteristic, equilibrium, kinetic and thermodynamic study
TL;DR: In this article, the adsorbent modified from corn stalks was synthesized after the reaction between epichlorohydrin and triethylamine by using diethylenetriamine (DETA) as modifying agent in the presence of N,N-dimethylformamide (DMF).
Journal ArticleDOI
Isolation and process parameter optimization of Aspergillus sp. for removal of chromium from tannery effluent.
TL;DR: Five morphologically different fungi were isolated from leather tanning effluent in which Aspergillus sp.
Journal ArticleDOI
Magnetic chitosan nanoparticles for removal of Cr(VI) from aqueous solution.
Nguyen Ngoc Thinh,Pham Thi Bich Hanh,Le Thi Thanh Ha,Le Ngoc Anh,Tran Vinh Hoang,Vu Dinh Hoang,Le Hai Dang,Nguyen Van Khoi,Tran Dai Lam +8 more
TL;DR: It can be suggested that magnetic chitosan nanoparticles could serve as a promising adsorbent for Cr(VI) in wastewater treatment technology.
References
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Journal ArticleDOI
Speciation of Cr(III) and Cr(VI) in water after preconcentration of its 1,5-diphenylcarbazone complex on amberlite XAD-16 resin and determination by FAAS
Adalet Tunçeli,A. Rehber Türker +1 more
TL;DR: A simple and sensitive method for the speciation, separation and preconcentration of Cr(VI) and Cr(III) in tap water was developed and chromium species have been determined with the relative error <3%.
Journal ArticleDOI
Speciation of chromium using reversed phase-high performance liquid chromatography coupled to different spectrometric detection methods
TL;DR: In this article, the formation of different complexes with ammonium-pyrrolidinedithioate (APDC) in a continuous flow technique and their preconcentration using solid phase extraction (SPE) have been elaborated and applied to the analysis of waste waters from the galvanic industry.
Journal ArticleDOI
Adsorption of heavy metal ions onto dithizone-anchored poly (EGDMA-HEMA) microbeads.
TL;DR: The dithizone-anchored poly (EGDMA-HEMA) microbeads are suitable for repeated use (for more than five cycles) without noticeable loss of capacity and increased with increasing pH and reached a plateaue value at around pH 5.0.
Journal ArticleDOI
Simultaneous determination of chromium(VI) and chromium(III) at trace levels by adsorptive stripping voltammetry
Olga Domínguez,M. Julia Arcos +1 more
TL;DR: In this article, a new methodology was proposed for the speciation of chromium by differential pulse adsorptive stripping voltammetry (DPAdSV) using pyrocatechol violet (PCV) and N-(2-hydroxyethyl)ethylenediamine-N,N, N′,N′-triacetic acid (HEDTA) as complexing agents.
Journal ArticleDOI
Speciative determination of chromium(VI) and chromium(III) using flow-injection on-line preconcentration and flame atomic-absorption spectrometric detection
TL;DR: In this article, a method for the speciative determination of chromium (VI) and chromium(III) in sea-water samples by flame atomic-absorption spectrometry, using on-line preconcentration on a micro-column packed with C 18 bonded silica gel, has been developed.
Related Papers (5)
Chromium speciation in environmental samples by solid phase extraction on Chromosorb 108.
Mustafa Tuzen,Mustafa Soylak +1 more
Speciation of Cr(III) and Cr(VI) in water after preconcentration of its 1,5-diphenylcarbazone complex on amberlite XAD-16 resin and determination by FAAS
Adalet Tunçeli,A. Rehber Türker +1 more