Determination of rubidium in silicate materials by atomic absorption spectrophotometry

Medlin, Jared; Suhr, N. H.; Bodkin, J. B.

doi:10.1016/0009-2541(70)90012-4

Cited by 13 publications

(13 citation statements)

References 14 publications

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“…Molybdenum was analyzed by using graphite tube atomization. Major element concentrations (Mn, Fe, Al, Ca, Mg, K) were determined by AAS after LiB02 fusion (14). Organic C was determined by subtracting the carbonate C content (15) from the total C content determined with a CHN analyzer.…”

Section: Methodsmentioning

confidence: 99%

Diagenetic trace-metal profiles in Arctic lake sediments

Cornwell¹

1986

Environ. Sci. Technol.

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Section: Methodsmentioning

confidence: 99%

Diagenetic trace-metal profiles in Arctic lake sediments

Cornwell¹

1986

Environ. Sci. Technol.

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“…Chemical analyses of the uvarovite and grossular are presented in Table II. They were obtained on carefully handpicked material in a Perkin Elmer model 503 atomic absorption spectrophotometer using the procedure of Medlin et al (1969). The structural formulae, calculated on the basis of a total cation balance of + 24, are also given.…”

Section: Resultsmentioning

confidence: 99%

Uvarovite and grossular from the Fengtien nephrite deposits, eastern Taiwan

Wan

Yeh²

1984

Mineral. mag.

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Uvarovite and grossular, the former comparatively rare, occur along the serpentinite-graphite schist contact in the Fengtien area, on the eastern slope of the Central Range of Taiwan. Uvarovite occurs as small emerald-green euhedral crystals on diopside-fels with dodecahedral crystal forms and many other modifications. Its refractive index is 1.782, specific gravity 3.702, and unit cell edge 11.912 Å. Chemical and probe analyses give average Cr2O3 contents of 11.60 wt. %; spectrographic analysis shows significant enrichment in Cr, Be, Co, Y, Sb, and La over grossular. Associated minerals include nephrite, diopside, tremolite asbestos, zoisite, and clinozoisite. Grossular is reddish-brown; large crystals, dodecahedral in form often modified by trapezohedrons, are associated with diopside, idocrase, and calcite. n = 1.746, SG = 3.636, and a = 11.866 Å. Structurally and chemically it is quite near the grossular end member. Grossular is considered to be formed from pneumatolysis associated with the intrusion of ultramafic rocks, whereas uvarovite is a replacement product of relict chromite in the original ultramafic rocks where migration of elements such as silicon and calcium from wall rocks are prominent.

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“…Early reports of polluted groundwater identified the impacts of leaking gasoline pipelines or storage tanks (1). It was further recognized that organic groundwater contaminants from landfills or industrial sources interact significantly with inorganic chemical constituents and that remediation efforts must be chosen carefully with a clear understanding of subsurface chemistry and biology (2). Recent groundwater studies have become more sophisticated and involved in response to the seemingly endless varieties of pollutant mixtures and differing subsurface conditions (3).…”

Section: Introductionmentioning

confidence: 99%

Analysis for trace elements in magnetohydrodynamic (MHD) pilot power plant effluents

Te¹,

Ej²,

Da³

et al. 1984

Environ. Sci. Technol.

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Determination of rubidium in silicate materials by atomic absorption spectrophotometry

Cited by 13 publications

References 14 publications

Diagenetic trace-metal profiles in Arctic lake sediments

Diagenetic trace-metal profiles in Arctic lake sediments

Uvarovite and grossular from the Fengtien nephrite deposits, eastern Taiwan

Analysis for trace elements in magnetohydrodynamic (MHD) pilot power plant effluents

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