The Determination of Mercury in Soils by Flameless Atomic Absorption

Melton, James R; Hoover, William; Howard, Peggy A

doi:10.2136/sssaj1971.03615995003500050060x

Cited by 19 publications

(7 citation statements)

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“…Mercury determinations of water samples included the addition of 20 ml of the concentrated sample to a bubble chamber with 15 ml of reductant and then bubbled with oxygen. The method of Melton et al (1971) was used for mercury determination of the sediment.…”

Section: Methodsmentioning

confidence: 99%

Heavy metals in relation to the biology of the mummichog, Fundulus heteroclitus

Chernoff

Dooley

1979

Journal of Fish Biology

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Heavy metal levels of cadmium, copper, mercury, manganese, and zinc were examined in the mummichog, Fundulus heteroclitus from industrialized and non-industrialized environments. With one exception, the environment with the highest trace metal in its waters, had the fishes with the highest metal concentration. Except for mercury, the concentration factor varied inversely with the metal concentrations of the fish and water, suggesting a possible regulatory mechanism for metals in the tissues of mummichogs from environments with high metal concentrations. There was an inverse relationship between standard length and concentrations of zinc, manganese, copper and cadmium in whole male and female fishes. The viscera contained significantly greater concentrations of these metals than somatic muscle tissue. There were also significant differences between males and females with respect to whole-body zinc and copper concentrations, but no sex differences for manganese and cadmium.

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Section: Methodsmentioning

confidence: 99%

Heavy metals in relation to the biology of the mummichog, Fundulus heteroclitus

Chernoff

Dooley

1979

Journal of Fish Biology

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“…The soils were analysed for mercury and total extractable organic (TEO) content before and after treatment with Ca(OCl) 2 . Mercury content was determined using cold vapour atomic absorption following the method outlined by Melton et al (1971). TEO content was determined using Soxhlet extraction with dichloromethane as an extractant.…”

Section: Hypochlorite Treatmentmentioning

confidence: 99%

Calcium hypochlorite removal of mercury and petroleum hydrocarbons from co-contaminated soils

Dudas

2002

Waste Manag Res

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Former oil and gas processing sites are often contaminated with both mercury and petroleum hydrocarbons. Traditional methods for treating these co-contaminated soils include thermal treatments and placement in landfills (Stepan et al. 1993). This study examines a chemical oxidation treatment, calcium hypochlorite, and its effectiveness in reducing both the petroleum and mercury content of several industrial soils. A sequential extraction method was used to determine the forms of mercury removed through the hypochlorite treatment. The forms included five organic forms of mercury, mercury associated with the mineral phase, ion exchangeable mercury, water phase mercury, and mercury associated with the petroleum hydrocarbons. The hypochlorite treatment did lower the mercury content of all five soils, but failed to remove the petroleum hydrocarbons from the soils. Prior to the hypochlorite treatment the dominant form of mercury was that associated with soil organic matter while after treatment most of the mercury remaining in the soil was associated with either the petroleum hydrocarbons or the mineral phase.

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“…Analysis of Hg was conducted by cold vapor atomic absorption spectrophotometry (AAS) using the method described by Melton et al (1971). Samples were digested with nitric acid in combination with potassium persulfate for 3 h at 60°C.…”

Section: Analytical Proceduresmentioning

confidence: 99%

Distribution of mercury in soils at a decommissioned gas plant

Kohut¹,

Dudas²,

Nason³

2000

Can. J. Soil. Sci.

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. 2000. Distribution of mercury in soils at a decommissioned gas plant. Can. J. Soil Sci. 80: [473][474][475][476][477][478][479][480][481][482]. The range and distribution of mercury in soils at a decommissioned gas plant near Turner Valley, Alberta were investigated in order to facilitate risk assessment and the remediation and development of the site into a tourism area. Although high levels of Hg were thought to be present in some areas on the site, it was unclear whether the source of the Hg was industrial processes or from river deposition of HgS impurities after erosion of upstream sulfide deposits. Background Hg concentrations in undisturbed soils and surficial bedrock near the gas plant were also unknown. Mercury concentrations in surface soil material on the gas plant site were found to range up to 230 mg Hg kg -1 soil, with the highest concentrations found next to process building doorways. Investigation of Hg distribution with soil depth showed that levels were generally highest at the surface, dropping rapidly with depth to near background levels of 0.07 mg Hg kg -1 soil or lower. The highest Hg concentrations were associated with the clay fraction, which contained up to 2300 mg Hg kg -1 soil. The results are consistent with an anthropogenic source from spillage of elemental Hg contained in manometers and pressure monitoring devices used in plant buildings. Mercury concentrations at depth and in uncontaminated surface soils were similar to those reported by Dudas and Pawluk (1976) for surface soils formed in glacial and fluvial deposits elsewhere in Alberta.

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The Determination of Mercury in Soils by Flameless Atomic Absorption

Cited by 19 publications

References 0 publications

Heavy metals in relation to the biology of the mummichog, Fundulus heteroclitus

Heavy metals in relation to the biology of the mummichog, Fundulus heteroclitus

Calcium hypochlorite removal of mercury and petroleum hydrocarbons from co-contaminated soils

Distribution of mercury in soils at a decommissioned gas plant

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