Showing 1-30 of 36 results for "copper sulfate solution"
Wojciech Ostrowski et al.
European journal of mass spectrometry (Chichester, England), 18(1), 43-50 (2012-07-17)
Solutions containing diclofenac (M) and a copper salt [CuCl2, Cu(ClO4)2, Cu(NO3)2, CuSO4) were analysed by electrospray ionisation mass spectrometry (ESI-MS). Because of the cation-pi interactions in diclofenac-Cu(II) complexes, the diclofenac molecular ion M+* at m/z 295 was formed. It was...
Jian Xu et al.
Environmental science and pollution research international, 26(3), 2820-2834 (2018-11-30)
Peanut shell biochar (BC) supported on Cu-doped FeOOH composite (Cu-FeOOH/BC) was synthesized using a facile and scalable method. The Cu-FeOOH/BC samples were characterized by Fourier transform infrared spectroscopy (FTIR), x-ray diffraction (XRD), scanning electron microscopy equipped with an energy-dispersive spectrometer...
A Islam et al.
Archives of disease in childhood, 71(1), 19-23 (1994-07-01)
Rice based oral rehydration therapy (ORT) solutions have been shown to be superior to glucose oral rehydration salts (World Health Organisation (WHO) ORS) in reducing stool volume and duration of diarrhoea in children and adults. Rice based ORT has been...
Francisca Pessôa de França et al.
Applied biochemistry and biotechnology, 128(1), 23-32 (2006-01-18)
Seaweed Sargassum sp. biomass proved to be useful for the recovery of ionic copper from highly concentrated solutions simulating effluents from semiconductor production. In the case of solutions containing copper in the form of chloride, sulfate, and nitrate salts, the...
Hong-Yan Wang et al.
Huan jing ke xue= Huanjing kexue, 31(12), 3099-3103 (2011-03-03)
A newly leaching method of copper from waste print circuit board was established by using hydrochloric acid-n-butylamine-copper sulfate mixed solution. The conditions of leaching were optimized by changing the hydrochloric acid, n-butylamine, copper sulfate,temperature and other conditions using copper as...
Rutao Liu et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 68(1), 150-155 (2007-02-24)
This article concerns a new and clean strategy for the determination of Cu(2+) in electroless copper plating baths with differential spectrophotometry. With this strategy, the problem of too high absorbance of Cu(2+) under plating conditions has been solved. We investigated...
Eric J Wagner et al.
Journal of aquatic animal health, 25(2), 125-130 (2013-05-24)
Tests were conducted to determine the concentrations of copper sulfate needed to kill Flavobacterium psychrophilum, the cause of bacterial coldwater disease, either in vitro or on Rainbow Trout Oncorhynchus mykiss eggs. For the in vitro test, a plastic strip dipped...
Samaneh Esfandiarpour et al.
Nanotechnology, 28(12), 125301-125301 (2017-02-22)
Electron-beam induced deposition of high-purity copper nanostructures is desirable for nanoscale rapid prototyping, interconnection of chemically synthesized structures, and integrated circuit editing. However, metalorganic, gas-phase precursors for copper introduce high levels of carbon contamination. Here we demonstrate electron beam induced...
Gökhan Orhan et al.
Journal of hazardous materials, 112(3), 261-267 (2004-08-11)
An electrochemical method was applied for the recovery of copper both from the spent solutions and from the rinse waters of electroless copper plating baths, containing copper sulfate, formaldehyde, quadrol, and NaOH. Experiments were conducted in a rotating packed cell...
Volodymyr Moravskyi et al.
Materials (Basel, Switzerland), 13(12) (2020-07-08)
Metal-filled composites based on polypropylene waste have been successfully obtained with an injection molding method of metalized polymer raw materials. Using the model polymer, the peculiarities of the formation of the copper layer in solutions of chemical metallization on the...
Mohie M K Sharaf El-Din et al.
Talanta, 189, 86-91 (2018-08-09)
In this study, the chromatographic conditions for separation and determination of L- and D-lactic acid enantiomers by copper ligand exchange chromatography have been examined and optimized statistically using a response surface methodology (RSM). The chromatographic variables: copper sulfate, acetic acid...
Vinh Hung Ha et al.
Journal of hazardous materials, 178(1-3), 1115-1119 (2010-02-13)
The present communication deals with the leaching of gold from the printed circuit boards (PCBs) of waste mobile phones using an effective and less hazardous system, i.e., a copper-ammonia-thiosulfate solution, as an alternative to the conventional and toxic cyanide leaching...
Zhi-Xia Zheng et al.
Electrophoresis, 26(4-5), 1007-1012 (2005-02-17)
A ligand-exchange capillary electrophoresis was explored, with L-ornithine as the ligand and copper(II) as the central ion. Its applicability was demonstrated with underivatized and dansyl amino acids, a dipeptide, and drugs with amino alcohol structure. The enantioselectivity was found to...
Shengqiang Tong et al.
Journal of separation science, 38(12), 2085-2092 (2015-04-14)
The chromatographic retention mechanism describing relationship between retention factor and concentration of Cu(2+) (l-phenylalanine)2 using chiral ligand mobile phase was investigated and eight mandelic acid derivatives were enantioseparated by chiral ligand exchange chromatography. The relationship between retention factor and concentration...
Saadat Rastegarzadeh et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 46-50 (2013-06-13)
A novel and simple method for the sensitive determination of trace amounts of fungicide thiram is developed by combination of dispersive liquid-liquid microextraction (DLLME) and microvolume UV-vis spectrophotometry. The method is based on the conversion of thiram to a yellow...
Kimihiko Mizutani et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 66(Pt 7), 765-770 (2010-07-08)
Bilirubin oxidase (BOD), a multicopper oxidase found in Myrothecium verrucaria, catalyzes the oxidation of bilirubin to biliverdin. Oxygen is the electron acceptor and is reduced to water. BOD is used for diagnostic analysis of bilirubin in serum and has attracted...
Rodrigo Gonçalves Ribeiro et al.
Brazilian dental journal, 21(3), 216-219 (2011-01-05)
This ex vivo study evaluated dentin permeability of the root canal in the apical third of different human groups of teeth. Eighty teeth were used, 8 from each dental group: maxillary and mandibular central incisors, lateral incisors and canines, maxillary...
Danielle Cristine Messias et al.
Oral health & preventive dentistry, 9(3), 269-273 (2011-11-10)
This in vitro investigation assessed whether different dentifrices would be capable of controlling the enamel erosion progression caused by HCl. Sixty bovine enamel slabs were covered with acid-resistant varnish, except for a 2.5-mm2 circular area on the labial surface. According...
T P Mokone et al.
Journal of colloid and interface science, 351(1), 10-18 (2010-08-14)
Metal sulfide precipitation forms an important component of acid mine drainage remediation systems based on bacterial sulfate reduction. The precipitation reaction is thermodynamically favorable, but a number of technical issues remain. In this study the effect of metal to sulfide...
Yunfeng Xu et al.
Environmental technology, 39(15), 1949-1954 (2017-06-24)
Sulfate-rich biochemical effluent of landfill leachate (BEL) resulting from aged refuse bioreactor was employed to wash municipal solid waste incineration (MSWI) fly ash. The dechlorination ability of BEL was found to be nearly equivalent to redistilled water (RW), and the...
A Henwood
Biotechnic & histochemistry : official publication of the Biological Stain Commission, 78(6), 303-308 (2004-10-12)
Current uses of orcein to demonstrate elastic fibers and, following permanganate oxidation (Shikata's modification), hepatitis B surface antigen, copper associated protein, and sulfated mucins, are reviewed. Variations in staining performance with batch of dye and age of dye solution is...
Baowei Zhao et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(10), 2154-2159 (2013-05-17)
The performance of copper ion removal using sodium dodecyl sulfate (SDS) and its mixtures with Brij 35, Tween 80 (TW80) and Triton X-100 (TX100) by micellar-enhanced ultrafiltration (MEUF) was investigated. The effects of the molar ratio of nonionic surfactant to...
Aleksandra Hecel et al.
Dalton transactions (Cambridge, England : 2003), 44(29), 13125-13132 (2015-06-25)
Prion diseases, known as Transmissible Spongiform Encephalopathies (TSEs), are a group of fatal neuronal, and to some extent infectious disorders, associated with a pathogenic protein agent called prion protein (PrP). The human prion protein (hPrP) fragment encompassing the 91-127 region...
Ya Wang et al.
Mikrochimica acta, 187(1), 4-4 (2019-12-05)
An ultrasensitive electrochemical biosensor is described for the determination of microRNAs. It is based on the use of DNA-templated copper nanoparticles (Cu NPs) as signalling probe. MicroRNA-222 was selected as the model analyte. The probe was obtained from two different...
David A Stevens et al.
Chemical senses, 33(5), 405-413 (2008-03-05)
Three multidimensional scaling studies were conducted to compare the taste qualities evoked from electrical and chemical stimulation, including ferrous sulfate as a typical "metallic" taste stimulus. Bipolar, anodal, and cathodal stimulation were delivered by 1.5- or 3-V batteries applied to...
Graham A Bowmaker et al.
Dalton transactions (Cambridge, England : 2003), (39)(39), 8308-8316 (2009-10-01)
Crystallization of the copper(i) halides (CuX; X = Cl, Br, I) with N,N'-diphenylthiourea ('dptu' = (PhNH)(2)CS) in 1 : 2 ratio from acetonitrile solution in ambient conditions yields a mononuclear isomorphous series of complexes of the form [XCu(dptu)(2)].H(2)O, an unusually...
Xiaodan Zhao et al.
Environmental pollution (Barking, Essex : 1987), 260, 114038-114038 (2020-01-30)
Copper ferrite (denoted as CuFe2O4MOF), prepared via a complexation reaction to obtain bimetal-organic frameworks (Cu/Fe bi-MOFs), followed by a combustion process to remove the MOF template, is employed as a heterogeneous activator to promote sulfite autoxidation for the removal of...
Kalina Ranguelova et al.
Environmental health perspectives, 118(7), 970-975 (2010-03-30)
Sulfur dioxide, formed during the combustion of fossil fuels, is a major air pollutant near large cities. Its two ionized forms in aqueous solution, sulfite and (bi)sulfite, are widely used as preservatives and antioxidants to prevent food and beverage spoilage....
Furkan Burak Şen et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 248, 119266-119266 (2020-12-15)
Monitoring and determining H2O2 in many industries, treatment plants and biochemical media is important because of its harmful effects even at low concentrations. This work proposes a redox-based colorimetric sensor for the determination of hydrogen peroxide in the presence of...
Ruixin Yu et al.
Journal of hazardous materials, 390, 121998-121998 (2020-02-12)
In this paper, copper substituted zinc ferrite (ZCFO) catalyst with rich oxygen vacancies (OVs) was synthesized via a simple one pot sol-gel combustion method, and firstly used for peroxymonosulfate (PMS) activation to degrade a typical antibiotic ciprofloxacin (CIP). Only ∼15...

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