Continuous substoichiometric determination of traces of mercury by radioactive isotope-dilution analysis

Briscoe, G.B.; Cooksey, B. G.; Růžička, Jaromír; Williams, M.

doi:10.1016/0039-9140(67)80168-1

Cited by 15 publications

(4 citation statements)

References 2 publications

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“…B, has also been applied to the determination of traces of mercury. 56 Substoichiometric separation was effected by solvent extraction with a solution of zinc dithizonate in carbon tetrachloride. A modification of the method using the same reagent and solvent has been developed and also applied to the determination of mercury.…”

Section: Downloaded By [Columbia University] At 07:53 27 November 2014mentioning

confidence: 99%

Principles and Applications of Substoichiometric Techniques of Analysis

Baishya¹,

Heslop²,

DeVoe³

1971

C R C Critical Reviews in Analytical Chemistry

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Section: Downloaded By [Columbia University] At 07:53 27 November 2014mentioning

confidence: 99%

Principles and Applications of Substoichiometric Techniques of Analysis

Baishya¹,

Heslop²,

DeVoe³

1971

C R C Critical Reviews in Analytical Chemistry

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“…The substoichiometric principle was verified in the extraction of Cd dithizonate (572). A continuous automated substoichiometric extraction method for the determination of Hg was developed (134). Equations were developed to describe equilibrium conditions necessary for the application of substoichiometry and were employed in the rare earth-EDTA-TTA system (135).…”

Section: Extraction Systemsmentioning

confidence: 99%

Extraction

Freiser¹

1968

Anal. Chem.

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Extraction by various substituted anilides (CH3, N02, -OC2H6, Cl)Mercaptoacetic, -propionic, -succinic acids and their substituted anilides. Catechol and its 3,5-Mo(V, VI)Extraction study. Anionic Mo chelates extract Table I. (Continued) System Metal Ions Special information References DOPA Fe, Mo Extraction equil. 0, AS0, AF°. Extracted species FeA2-HA, Mo02A2 -2HA (459) DOPA Tb, Eu Extraction equil. Role of diluent (506) DOPA Ce Extraction equil. Extracted species CeA4 or at pH 1.7, Ce02A2 (1012) DOPA La, Eu, Lu, Am Extraction and aqueous chloride complex equil. Table I. (Continued) System Metal ions Special information References Valeric to lauric acids Zr Extraction depends on order of addition. Extd. species colloidal (666) Caproic acid Fe Role of pH in extraction (559, 560) Pivalic acid Cu (377) C7-C9 carboxylic acids Alkali metals Extraction equilibria K > Cs > Na > Li (648) C7-C9 carboxylic acids La, Pr, Nd, Gd Extraction decreased with deer. H-bonding of solvent (789) C7-C9 carboxylic acids Mg, Mn, Al, Fe, Th, U (646) C7-C9 carboxylic acids Zr Extraction solvents decrease C6H6N02 > CHCI3 > C6H6 > C,H,6 > Et20 > MIBK > EtOAc. Equilibration takes over week Table 1. (Continued) System Metal ions Special information References Dibutyl-Ar,Ar-diethyl carbamoylmethylene phosphonate Ce, Pm, Am Nitrate system. Extractions are about 100 X that with TBP

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“…Such as, three isotopes Hg-198, Hg-200 and Hg-202 are used to find out the entry route of mercury into the ecosystem that affects the fishes. Hg-303 is used for the calibration of gamma radiations while Hg-202 used to produce Hg-303 which is radioactive isotope of mercury (12)(13)(14). Previously, Shenker et.al 1993 examined both the immunotoxic and cytotoxic properties of mercuric compounds on human Bcells and their results indicate that low doses of mercury are capable of inhibiting B-cell activation.…”

Section: Introductionmentioning

confidence: 99%

“…There are seven isotopes of mercury which are very stable, and are mainly used in the deposition and emission in both aquatic and terrestrial environment (21). The most naturally occurring mercury isotope is Hg-202, its natural abundance is 29.86% and the least naturally occurring is Hg-196 which has natural abundance 0.15% (12)(13)(14). Inorganic mercury makes bond with elements like chlorine, fluorine or any other.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, characterization and evaluation of cell culture study of mercury complex derived from benzene-1,3,5-tricarboxylic acid

Shah

2023

Preprint

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Mercury complexes have diverse effects on the human body and cells that depend upon the biochemical form of mercury-complexes and the nature of exposure. In the present work, we have investigated the impacts of mercury-complex derived from benzene-1,3,5-tricarboxylic acid on cell culture and DNA damage. This is novel mercury-complex having cell culture study. The mercury complex has been synthesized and characterized by CHNS analyzer, FTIR, X-Ray Diffraction (XRD) and DNA damage. Surface morphology of prepared mercury-complex was studied by microscopy imaging/Atomic Force Microscopy (AFM). The main goal of this contribution is to address the damaging effects of mercury-complex in cell cultures through fluorescence imaging and identifying cell Live/Death quantitative results. These live/death color intensities are red or green in presence to the mercury-complex. For this purpose, we measured the concentration dependence of mercury-complex on the rate of death in cells which may be useful for the cell culture and DNA study. The mercury-complex derived from benzene-1,3,5-tricarboxylic acid has the ability to break the polynucleotide structure of DNA to mono nucleotides resulting irreparable DNA damage. The experimental results of fluorescence microscopy and live/dead cell assay on cell viability reflected the potent cellular toxicity of mercury-complex causes cell culture study. Generally, the damaging effects of mercury-complex may be used for medical treatment of different diseases specially cancer.

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Continuous substoichiometric determination of traces of mercury by radioactive isotope-dilution analysis

Cited by 15 publications

References 2 publications

Principles and Applications of Substoichiometric Techniques of Analysis

Principles and Applications of Substoichiometric Techniques of Analysis

Extraction

Synthesis, characterization and evaluation of cell culture study of mercury complex derived from benzene-1,3,5-tricarboxylic acid

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