Chemical Composition Assessment of Sulphurous Waters

2018 ◽  
Vol 69 (5) ◽  
pp. 1037-1040
Author(s):  
Ovidiu Murarescu ◽  
Gica Pehoiu ◽  
Cristiana Radulescu ◽  
Ioana Daniela Dulama ◽  
Sofia Teodorescu ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Dissolved Oxygen ◽  
Mass Spectroscopy ◽  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Physicochemical Parameters ◽  
Total Hardness ◽  
Summer Period ◽  
Inductively Coupled ◽  
Icp Ms

The study aims to assess the chemical composition of sulphurous spring waters collected from Pucioasa � Vulcana Bai balneotherapeutical area, Dambovita County. The sampling were achieved from active and preserved sulphurous sources (i.e. five springs), during the summer period of the year 2016. The content of nine metals (i.e. Cr, Mn, Fe, Co, Ni, Cu, Cd, Zn, and Pb) in water samples was determined by Inductively Coupled Plasma - Mass Spectroscopy (ICP-MS). The relationships between physicochemical parameters (i.e. pH, conductivity, TDS, salinity, total hardness and dissolved oxygen) and metal concentrations were investigated, as well.

scholarly journals Elemental Impurity Analysis of Mercuric Iodide by Icp/Ms

1993 ◽  
Vol 302 ◽  
Author(s):  
Eilene S. Cros ◽  
Eugene Mroz ◽  
José A. Olivares
Keyword(s):  
Mass Spectroscopy ◽  
Inductively Coupled Plasma ◽  
Mercuric Iodide ◽  
Inductively Coupled ◽  
Impurity Analysis ◽  
Icp Ms ◽  
Contamination Levels

ABSTRACTA method has been developed to analyze mercuric iodide (HgI2) for elemental contamination using Inductively Coupled Plasma/Mass Spectroscopy (ICP/MS). This paper will discuss the ICP/MS method, the effectiveness of purification schemes for removing impurities from Hgl2, as well as preliminary correlations between HgI2 detectorperformance and elemental contamination levels.

Determination of Arsenic (III) and Arsenic (V) Species by Preconcentration and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) in Drinking Water Samples Analysis

2011 ◽  
Vol 264-265 ◽  
pp. 1684-1689 ◽  
Author(s):  
M.M. Rahman ◽  
Alias Mohd Yusof ◽  
A.K.H. Wood ◽  
A. Shamsiah
Keyword(s):  
Mass Spectrometry ◽  
Solvent Extraction ◽  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Inorganic Arsenic ◽  
Arsenic Species ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Plasma Mass Spectrometry ◽  
Dissolved Inorganic Arsenic

A simple and less expensive solvent extraction method was used with inductively coupled plasma mass spectrometry (ICP-MS) in the speciation of two environmentally significant, toxic forms of arsenic: arsenite and arsenate. Dissolved inorganic arsenic species in drinking waters from reservoirs and treatment plants were determined by the inductively coupled plasma mass spectrometry analyses. Prior to the analysis the water samples were precocentrated by solvent extraction using APCDT to separate the arsenic species from elemental interferences. The detection limit of this method achieved was 0.059 gL-1. The suitability of the technique in this work is discussed in relation to risk assessment studies of public health.

scholarly journals Heavy Metals in Frozen and Canned Marine Fish of Korea

2010 ◽  
Vol 2 (3) ◽  
pp. 549 ◽  
Author(s):  
M. M. Islam ◽  
S. Bang ◽  
Kyoung-Woong Kim ◽  
M. K. Ahmed ◽  
M. Jannat
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Marine Fish ◽  
Mass Spectroscopy ◽  
Potential Risk ◽  
Inductively Coupled Plasma ◽  
Metal Contaminants ◽  
Inductively Coupled ◽  
Intake Level ◽  
Icp Ms

Heavy metal contaminants in fish are of particular interest because of the potential risk to humans who consume them. The edible muscles of eight different species of fishes were analyzed by ICP-MS (Inductively Coupled Plasma Mass Spectroscopy) for heavy metals, collected from Market in Gwangju, Korea during April-May in 2008. The concentrations of Hg, As, Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn varied between 0.24±0.007 - 0.01±0.001, 44.54±5.69 - 1.23±0.20, 0.13±0.05 – ND (not detected), 1.32±0.47 - 0.09± 0.02, 3.13±2.53 - 0.63±0.06, 107.17±28.02 - 11.27±1.56, 12.38±1.23 - 0.25±0.02, 1.025±1.41 - 0.12±0.09, 0.74±0.28 - 0.05±0.03 and 80.30±17.09 - 22.35±6.89 mg/kg, respectively. The concentrations of arsenic and nickel exceeded the maximum allowable intake level. Keywords: Heavy metals; Marine fish; Korea. © 2010 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved. DOI: 10.3329/jsr.v2i3.4667              J. Sci. Res. 2 (3), 551-557 (2010)

Research on Measuring Ultra-Trace Tombarthite Elements in Water by Separation and Enrichment of Solid-Phase Extraction-Inductively Coupled Plasma-Mass Spectrometry

2012 ◽  
Vol 627 ◽  
pp. 775-779
Author(s):  
Yong Gang Zeng ◽  
Xu Wan ◽  
Lin Luo ◽  
Zheng Wen Huang
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Solid Phase ◽  
Phase Extraction ◽  
Water Recovery ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Plasma Mass Spectrometry ◽  
Ultra Trace

Separate and enrich water samples by using solid-phase extraction, and then conduct quantitative analysis by using the ICP-MS method for 14 species of tombarthite elements. The results show that after pretreatment, ICP-MS method could be used to measure the 14 species in water samples simultaneously and it is fast, high sensitive, 50 times of enrichment, 0.2 ng/L of method detection limit after enrichment, better precision, RSD < 5%; higher accuracy, and 93-104% of water recovery rate for simulative water samples.

scholarly journals A rapid and sensitive IC-ICP-MS method for determining selenium speciation in natural waters

2018 ◽  
Vol 96 (8) ◽  
pp. 795-802 ◽  
Author(s):  
Mark W. Donner ◽  
Tariq Siddique
Keyword(s):  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Natural Waters ◽  
Hydrogen Gas ◽  
Aquatic Systems ◽  
Reaction Cell ◽  
Inductively Coupled ◽  
Accuracy And Precision ◽  
Low Concentrations ◽  
Icp Ms

Selenium (Se) is an element monitored by water quality agencies worldwide. The challenge of assessing its presence in aquatic systems is its low concentrations (parts per trillion) and the need for determining its chemical speciation. A method was developed using an ion chromatograph (IC) paired with a quadrupole inductively coupled plasma mass spectrometer (ICP-MS) equipped with a hydrogen reaction cell to provide analysts with a rapid and sensitive method to measure Se speciation with suitable accuracy and precision. The Se species selenite (SeIV) and selenate (SeVI) were separated within a 5 min span using dilute nitric acid as a mobile phase in a step-wise gradient (50–400 mmol L−1) and quantified using 80Se isotope that yielded low limits of detection (<10 ng L−1). Spectral interference from plasma generated diatomic argon ions (40Ar2+; m/z = 80) on 80Se was eliminated by hydrogen gas (H2) in the reaction cell. Polyatomic 79Br1H+ (m/z = 80) did not interfere with 80Se for quantification of common aquatic Se species (SeVI and SeIV) due to different column retention times. Two organic species (methylselenocysteine and selenomethionine) commonly found in aquatic and terrestrial plant tissues were also tested to rule out possible chromatographic interference and explore the potential application to biological samples. Urban rainwater and Canadian river water samples were analyzed for Se species to demonstrate the applicability of the method. Owing to its ability to rapidly determine Se species in water samples at environmentally relevant concentrations, the method may be useful for monitoring agencies to routinely measure Se species in freshwater aquatic systems.

scholarly journals Inorganic Geochemistry of Crude Oils of Northern Eurasia after ICP-MS Data as Clear Evidence for Their Deep Origin

Energies ◽  
2021 ◽  
Vol 15 (1) ◽  
pp. 48
Author(s):  
Kirill Svyatoslavich Ivanov ◽  
Yuriy Viktorovich Erokhin ◽  
Daniil Aleksandrovich Kudryavtsev
Keyword(s):  
Rare Earth ◽  
Mass Spectroscopy ◽  
Inductively Coupled Plasma ◽  
Limit Of Detection ◽  
Northern Eurasia ◽  
Inductively Coupled ◽  
Petroleum Systems ◽  
Icp Ms ◽  
Microelement Composition ◽  
Light Lanthanides

The emergence of mass-spectroscopy with inductively-coupled plasma (ICP-MS) made it possible to study the microelement composition of crude oil and its derivatives with the limit of detection (LOD) at the ppt level. We have studied the crudes from West Siberian (Shaimsky, Sredneobsky and Oktyabrsky regions) and Tatarstan Romashinskoye oilfields with the ICP-MS method to detect 50 rare, rare-earth, and other microelements. The elemental composition is reasonably comparable to their concentrations in ultrabasites whereas the contents of most of the elements are low to the limit. On the diagrams of rare-earth elements, one can see the prevalence of light lanthanides and positive europium anomaly. Increased content of platinoids was found in Tatar oils; in some cases, the concentration of ruthenium reaches 0.06 g/t. The study shows that studied crudes have a specific microelement composition. Based on the elevated contents of transit elements and platinoids, a conclusion was made about the “ultrabasic” geochemical–metallogenic specialization of studied petroleum systems and the assumption about its origin was proposed.

scholarly journals Nutritional Composition and Mineral Elements Content Analyses of Lonicera fulvotomentosa Hsu et S. C. Cheng Grown in China

2021 ◽  
Author(s):  
Xianghui Jiang ◽  
Longqian Xiao
Keyword(s):  
Chemical Composition ◽  
Caffeic Acid ◽  
Inductively Coupled Plasma ◽  
Crude Protein ◽  
Mineral Elements ◽  
Nutritional Composition ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Karst Landform ◽  
Candidate Molecule

Abstract Lonicera fulvotomentosa Hsu et S. C. Cheng (L. fulvotomentosa), a vine shrub found in Southwestern China, is used for treating epidemic fever and infectious diseases, such as SARS and Avian Influenza. Here, we investigated the chemical composition and nutritional content of dried flowers of L. fulvotomentosa grown in yellow loam and Karst landform soil in Guizhou, China. The moisture content in all samples varied from 3.25 to 3.63%, lipids from 7.76 to 9.93%, fiber from 6.93 to 7.34%, ashes from 12.32 to 12.76%, crude protein from 7.85 to 8.53%, and carbohydrates from 56.21 to 59.77%. Using inductively coupled plasma-mass spectroscopy (ICP-MS), the predominant mineral elements in the dried flowers were found to be calcium (297.34-351.26 mg/kg), potassium (132.56-140.37 mg/kg), iron (37.77–41.25 mg/kg), and magnesium (9.47–11.36 mg/kg). Also, HPLC identified flavonoids (kaempferol, rutin, quercetin, luteolin, and apigenin) and phenolic acids (caffeic acid, gallic acid, and chlorogenic acid). Thus, the chemical composition of L. fulvotomentosa was similar to that of Lonicera japonica Thunb. (L. japonica). Thus, it could be used as an alternative to L. japonica. Our results showed that the dried flower of L. fulvotomentosa had an extremely high content of chlorogenic acids and caffeic acid, which could be developed as a candidate molecule as HIV inhibitors.

Interferência dos metais sódio, magnésio e cálcio na determinação de urânio em amostras de águas tratadas pela técnica de espectrometria óptica por plasma indutivamente acoplado / Interference of sodium, magnesium and calcium metals in the determination of uranium in treated water samples by the optical spectrometry inductively coupled plasma technique

2021 ◽  
Vol 4 (2) ◽  
pp. 1946-1964
Author(s):  
Jorge Tadeu De Freitas ◽  
Joseina Moutinho Tavares ◽  
Sandra Regina Novaes de Oliveira Luz ◽  
Antônio Jorge R. Baptista
Keyword(s):  
Water Samples ◽  
Inductively Coupled Plasma ◽  
Icp Oes ◽  
Inductively Coupled ◽  
Plasma Technique ◽  
Optical Spectrometry ◽  
Icp Ms ◽  
De Se ◽  
Sodium Magnesium

Diante dos riscos que o Urânio apresenta à saúde dos seres humanos e ao Meio Ambiente, o Ministério da Saúde e o Conselho Nacional de Meio Ambiente do Brasil estabeleceram limites normativos para a concentração de Urânio em águas tratadas, subterrâneas e mananciais nas seguintes legislações: Portaria MS Nº 2914/2011, Resolução CONAMA 396/2008 e Resolução CONAMA 357/2005, respectivamente. Internacionalmente, já existe a preocupação com Urânio, por diversos órgãos reguladores e agências de saúde, como a Organização Mundial de Saúde (OMS) e a Agência de Proteção Ambiental dos Estados Unidos (EPA). Com o objetivo de se atender aos baixos limites analíticos preconizados na Legislação, é necessário o desenvolvimento de metodologias analíticas sensíveis e confiáveis para a determinação de Urânio. A técnica da Espectrometria Óptica por Plasma Indutivamente Acoplado (ICP OES) tem sido muito empregada na análise de amostras de águas, por apresentar maior sensibilidade do que a técnica por Absorção Atômica por Chama (FAAS), boa relação custo benefício em relação à Espectrometria de Massa com Plasma Indutivamente Acoplado (ICP-MS) e dispensar o tratamento prévio no caso das amostras de água potável.Neste trabalho foi desenvolvido um método analítico para a determinação de Urânio em amostras de águas tratadas pela técnica de ICP OES, com um equipamento com tocha de vista axial e sistema de cone para eliminação da zona fria do plasma. Também foi investigada a interferência dos metais Sódio, Magnésio e Cálcio, conhecidos como Elementos Facilmente Ionizáveis (EIE). Estes metais estão presentes em concentrações elevadas em regiões de clima seco e semi-árido ou de áreas de captação de água de mananciais que sofrem influência de águas marinhas.  Para este estudo foram empregados mais dois equipamentos: um ICP OES com tocha de vista axial e sistemas Shear Gas para a eliminação da zona fria do plasma e um ICP-MS. Os resultados obtidos mostram que as presenças destes interferentes (Ca, Mg, Na) em concentrações elevadas podem causar erros na determinação de Urânio com resultados falsos positivos, em equipamentos de ICP OES que empregam o sistema de cone para eliminação da zona fria do plasma.

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