Determination of Arsenic and Antimony in Ferrotungsten by Inductively Coupled Plasma Atomic Emission Spectrometry

Maiorova, A. V.; Belozerova, A. A.; Melchakov, S. Yu.; Mashkovtsev, Maxim A.; Suvorkina, A. S.; Shunyaev, K. Yu.

doi:10.1134/s1061934819070141

Cited by 9 publications

(3 citation statements)

References 11 publications

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“…Total dissolved solids (TDS), pH, and salt ions (K + , Na + , Ca 2+ , Mg 2+ , HCO 3 − , CO 3 2− , Cl − , SO 4 2− , NO 3 − ) were measured in the laboratory within 24 h. TDS were measured using the gravimetric method [50] and pH by glass electrode analysis [46]. Ca 2+ , Mg 2+ , and K + were measured using inductively coupled plasma atomic emission spectrometry (ICP-AES) [51], Na + and Cl − using flame atomic absorption spectrometry (FAAS) and silver nitrate titration [41,44,45,52], SO 4 2− ions and NO 3− using ion chromatography [53], and CO 3 2− and HCO 3 − using double indicator neutralization titration [44].…”

Section: Field Sampling Of the Soils And Waters And Laboratory Analysismentioning

confidence: 99%

Soil Salinity Estimation by 3D Spectral Space Optimization and Deep Soil Investigation in the Songnen Plain, Northeast China

Ma,

Hao,

Huang

et al. 2024

Sustainability

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Saline–alkaline soil is a severe threat to Sustainable Development Goals (SDGs), but it can also be a precious land resource if properly utilized according to its properties. This research takes the Songnen Plain as the study area. The aim is to figure out the saline–alkaline status and mechanisms for its scientific utilization. Sentinel-2 multispectral imagery is used, and a 3D spectral space optimization method is proposed according to the restrictive relationships among the surface soil salinity index (SSSI), vegetation index (VI), and surface soil wetness index (SSWI) to construct a surface soil salinization–alkalization index (SSSAI) for estimation of the surface soil salinity (SSS). It is testified that SSS can be precisely estimated using the SSSAI (R2 = 0.74) with field verification of 50 surface salinized soil samples. Surface water and groundwater investigations, as well as deep soil exploration, indicate that the salt ions come from groundwater, and alkalinization is a primary problem in the deep soils. Fine-textured clay soils act as interrupted aquifers to prevent salt ions from penetrating and diluting downward with water, which is the cause of the salinization–alkalization problem in the study area. Finally, a sustainable solution for the saline–alkaline land resource is proposed according to the deep soil properties.

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Section: Field Sampling Of the Soils And Waters And Laboratory Analysismentioning

confidence: 99%

Soil Salinity Estimation by 3D Spectral Space Optimization and Deep Soil Investigation in the Songnen Plain, Northeast China

Ma,

Hao,

Huang

et al. 2024

Sustainability

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“…Vapor-forming elements in natural waters have been widely investigated in chemistry and bio/geochemical research. , Inductively coupled plasma mass spectrometry (ICP–MS), electrochemical techniques, and atomic emission/absorption/fluorescence spectrometry were commonly used in the measurement of trace elements. − Although the above methods have good analytical performance, they still suffer some difficulties while detecting trace levels of analytes in complex matrices, such as seawater. ICP–MS is one of the most preferred techniques for routine analysis to simultaneously determine multielements, owing to its high sensitivity and sample throughput.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Measurement of Trace Levels of Hg, As, Sb, and Bi in Coastal Seawater with a Multichannel Chemical Vapor Generation Atomic Fluorescence Spectrometer

Chen,

Lin,

Yuan

et al. 2023

Anal. Chem.

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Trace levels of Hg, As, Sb, and Bi in coastal seawater have been simultaneously detected by a laboratory-built multichannel chemical vapor generation coupled to an atomic fluorescence spectrometer. The system was configured with a built-in electrochemical H2 generator as the fuel supplier to replace chemical H2 produced by the oxidation of potassium borohydride under acidic conditions in traditional instruments. The electrochemical H2 generator not only isolated the atomization process from the chemical vapor injection process but also improved the stability of atomization, excitation, and fluorescence emission in the hydrogen flame, making it easier to optimize conditions for CVG while introducing evaporating multielement vapors. Calibrations were obtained using a mixed standard solution of Hg(II), As(III), Sb(III), and Bi(III). The addition of KBr to a 3% (v/v) HCl solution was selected as the preservative to ensure the stability of 0.10 μg/L Hg(II) in a multielement standard solution for at least 15 days while also preserving μg/L levels of As(III), Sb(III), and Bi(III) stable. The method detection limits (LOD, 3σ) were 0.001, 0.015, 0.010, and 0.005 μg/L for Hg, As, Sb, and Bi, respectively. The relative standard deviations (RSD, n = 7) of the standard spiked seawater samples were 3.2% (0.020 μg/L Hg), 1.2% (0.50 μg/L As), 1.0% (0.50 μg/L Sb), and 3.5% (0.050 μg/L Bi), respectively. The recoveries of seawater samples spiked with different salinities were in the range of 84.5%(Sb)–114%(Hg). The system has been successfully applied to the simultaneous analysis of the four elements in the seawater samples collected from Xiamen Bay, Southeast China.

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“…It is well known that As at trace and ultra-trace level can be determined by AAS, ICP-AES , ICP-MS , ICP-OES and CVG-AFS [1][2][3][4]. AFS was the most frequently-used analytical method in China because it had a wide linear range, high sensitivity, low background noise, convenient operation, and low cost.…”

Section: Introductionmentioning

confidence: 99%

Arsenic Determination in Geological Samples by Atomic Fluorescence Spectrometry

2023

FSD

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An atomic fluorescence method was established for the determination of arsenic in geological samples . After sample digestion, arsenic reacts with potassium borohydride in a specific medium to produce volatile hydride. The fluorescence of characteristic wavelength is emitted under the irradiation of argon loaded quartz atomizer light source, and the fluorescence intensity is proportional to the content of elements.

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Determination of Arsenic and Antimony in Ferrotungsten by Inductively Coupled Plasma Atomic Emission Spectrometry

Cited by 9 publications

References 11 publications

Soil Salinity Estimation by 3D Spectral Space Optimization and Deep Soil Investigation in the Songnen Plain, Northeast China

Soil Salinity Estimation by 3D Spectral Space Optimization and Deep Soil Investigation in the Songnen Plain, Northeast China

Simultaneous Measurement of Trace Levels of Hg, As, Sb, and Bi in Coastal Seawater with a Multichannel Chemical Vapor Generation Atomic Fluorescence Spectrometer

Arsenic Determination in Geological Samples by Atomic Fluorescence Spectrometry

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