Reference health
Adsorption of Cu(II) by low cost adsorbents and the cost analysis
19/19 checkable references clean · checked 2026-07-23
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
12 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 19 checked references that resolve
resolves10.1002/(SICI)1097-0290(19970705)55:1<1::AID-BIT1>3.0.CO;2-H
Characterization of acetone-washed yeast biomass functional groups involved in lead biosorption
resolves10.1021/ie101499e
Banana Peel Applied to the Solid Phase Extraction of Copper and Lead from River Water: Preconcentration of Metal Ions with a Fruit Waste
resolves10.1016/j.scitotenv.2016.06.166
Heavy metals in drinking water: Occurrences, implications, and future needs in developing countries
resolves10.1016/j.ultsonch.2016.12.016
Application of modificated magnetic nanomaterial for optimization of ultrasound-enhanced removal of Pb2+ ions from aqueous solution under experimental design: Investigation of kinetic and isotherm
resolves10.1016/j.jiec.2016.12.035
Highly efficient simultaneous biosorption of Hg 2+ , Pb 2+ and Cu 2+ by Live yeast Yarrowia lipolytica 70562 following response surface methodology optimization: Kinetic and isotherm study
resolves10.1007/s13762-011-0012-8
Adsorption of lead using a new green material obtained from Portulaca plant
resolves10.5829/idosi.ijee.2012.03.01.3343
Removal of Zinc Ions from Aqueous Solution Using Polyaniline Nanocomposite Coated on Rice Husk
resolves10.1080/01496395.2011.590390
Biosorptive Removal of Ni(II) from Aqueous Solution by<i>Caesalpinia bonducella</i>Seed Powder
resolves10.1016/j.hbrcj.2013.08.004
Removal of heavy metals from wastewater using agricultural and industrial wastes as adsorbents
resolves10.1016/j.chemosphere.2006.12.043
Survey of heavy metal pollution and assessment of agricultural soil in Yangzhong district, Jiangsu Province, China
resolves10.1002/clen.201000100
Application of Agro‐Based Biomasses for Zinc Removal from Wastewater – A Review
resolves10.1039/C6CP08437K
Application of machine/statistical learning, artificial intelligence and statistical experimental design for the modeling and optimization of methylene blue and Cd(
<scp>ii</scp>
) removal from a binary aqueous solution by natural walnut carbon
resolves10.1016/j.jcis.2017.05.022
Synthesis and characterization of Au-NPs supported on carbon nanotubes: Application for the ultrasound assisted removal of radioactive UO22+ ions following complexation with Arsenazo III: Spectrophotometric detection, optimization, isotherm and kinetic study
resolves10.1016/j.ultsonch.2017.07.030
Isotherms and kinetic study of ultrasound-assisted adsorption of malachite green and Pb2+ ions from aqueous samples by copper sulfide nanorods loaded on activated carbon: Experimental design optimization
resolves10.1023/A:1022084721990
Removal of Copper and Cadmium Ions from Diluted Aqueous Solutions by Low Cost and Waste Material Adsorbents
resolves10.1590/S0104-66322012000300019
Characterization and use of in natura and calcined rice husks for biosorption of heavy metals ions from aqueous effluents
The 12 references without a DOI — listed, not checked
no DOI — not checkedA novel agricultural waste adsorbent, watermelon shell for the removal of copper from aqueous solutions
no DOI — not checkedHeavy metals removal from industrial wastewater by activated carbon prepared from coconut shell
no DOI — not checkedRemoval of Copper(II) from aqueous solution and waste water by prosopis juliflora leaf powder by adsorption
no DOI — not checkedRemoval of Pb(II) by modified watermelon peel adsorbent
no DOI — not checkedRemoval of zinc ions from industrial effluent by using cork powder as adsorbent
no DOI — not checkedBiosorption of Copper(II) from aqueous solution using citrus sinensis peel and wood sawdust: Utilization in purification of drinking and wastewater
no DOI — not checkedAdsorption of heavy metals: A review
no DOI — not checkedReview of heavy metals in drinking water and their effect on human health
no DOI — not checked10.1016/j.eti.2018.02.003_b22
no DOI — not checked10.1016/j.eti.2018.02.003_b25
no DOI — not checkedA review on copper pollution and its removal from water bodies by pollution control technologies
no DOI — not checkedHeavy metal water pollution — A case study
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carried a retraction notice at that time. It says nothing about the quality, findings,
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