Liquid phase extraction of Cd2+, Ni2+, Pb2+ and Zn2+ by N-benzoyl-n-phenylhydroxylamine (BPA) from environmental waste samples

Dhananjay B. Sarode; Sanjay B. Attarde; Varsha Srivastava; Mika E.T. Sillanpää

doi:10.2174/1573411010666140829203312

Liquid phase extraction of Cd²⁺, Ni²⁺, Pb²⁺ and Zn²⁺ by N-benzoyl-n-phenylhydroxylamine (BPA) from environmental waste samples

Dhananjay B. Sarode
, Sanjay B. Attarde
, Varsha Srivastava
, Mika E.T. Sillanpää

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

An efficient liquid-liquid extraction method was developed for the removal of Cd²⁺, Ni²⁺,Pb²⁺, and Zn²⁺ from environmental waste using n-benzoyl-n-phenyl hydroxylamine (BPA). The effects of solvents, pH, stripping agents, extraction time, and interference of other ions on the recoveries were investigated. Study shows chloroform is the most efficient solvent for BPA and maximum extraction percentage of metals can be achieved by it. These metals can be quantitatively extracted between the pH 6.5-10. 1M HNO₃, 4M HNO₃, 1M HCl, and 5M HNO₃ can be used as stripping agents to achieve the maximum percentage recovery of Cd²⁺, Ni²⁺, Pb²⁺, and Zn²⁺, respectively.

Original language	English
Pages (from-to)	36-43
Number of pages	8
Journal	Current Analytical Chemistry
Volume	11
Issue number	1
DOIs	https://doi.org/10.2174/1573411010666140829203312
Publication status	Published - 1 Jan 2015
Externally published	Yes

Keywords

Chloroform
Heavy metals
Liquid-liquid extraction
N-benzoyl-n-phenylhydroxylamine
Optimization
Solvent

ASJC Scopus subject areas

Analytical Chemistry

Access to Document

10.2174/1573411010666140829203312

Cite this

@article{8f89884c67624e618906bbb2bd1d7dbf,

title = "Liquid phase extraction of Cd2+, Ni2+, Pb2+ and Zn2+ by N-benzoyl-n-phenylhydroxylamine (BPA) from environmental waste samples",

abstract = "An efficient liquid-liquid extraction method was developed for the removal of Cd2+, Ni2+,Pb2+, and Zn2+ from environmental waste using n-benzoyl-n-phenyl hydroxylamine (BPA). The effects of solvents, pH, stripping agents, extraction time, and interference of other ions on the recoveries were investigated. Study shows chloroform is the most efficient solvent for BPA and maximum extraction percentage of metals can be achieved by it. These metals can be quantitatively extracted between the pH 6.5-10. 1M HNO3, 4M HNO3, 1M HCl, and 5M HNO3 can be used as stripping agents to achieve the maximum percentage recovery of Cd2+, Ni2+, Pb2+, and Zn2+, respectively.",

keywords = "Chloroform, Heavy metals, Liquid-liquid extraction, N-benzoyl-n-phenylhydroxylamine, Optimization, Solvent",

author = "Sarode, \{Dhananjay B.\} and Attarde, \{Sanjay B.\} and Varsha Srivastava and Sillanp{\"a}{\"a}, \{Mika E.T.\}",

note = "Publisher Copyright: {\textcopyright} 2015 Bentham Science Publishers.",

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T1 - Liquid phase extraction of Cd2+, Ni2+, Pb2+ and Zn2+ by N-benzoyl-n-phenylhydroxylamine (BPA) from environmental waste samples

AU - Sarode, Dhananjay B.

AU - Attarde, Sanjay B.

AU - Srivastava, Varsha

AU - Sillanpää, Mika E.T.

PY - 2015/1/1

Y1 - 2015/1/1

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AB - An efficient liquid-liquid extraction method was developed for the removal of Cd2+, Ni2+,Pb2+, and Zn2+ from environmental waste using n-benzoyl-n-phenyl hydroxylamine (BPA). The effects of solvents, pH, stripping agents, extraction time, and interference of other ions on the recoveries were investigated. Study shows chloroform is the most efficient solvent for BPA and maximum extraction percentage of metals can be achieved by it. These metals can be quantitatively extracted between the pH 6.5-10. 1M HNO3, 4M HNO3, 1M HCl, and 5M HNO3 can be used as stripping agents to achieve the maximum percentage recovery of Cd2+, Ni2+, Pb2+, and Zn2+, respectively.

KW - Chloroform

KW - Heavy metals

KW - Liquid-liquid extraction

KW - N-benzoyl-n-phenylhydroxylamine

KW - Optimization

KW - Solvent

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