Trace Metals in Atmospheric Particulates and Atomic Absorption Spectroscopy

HWANG, JAE YOUNG

doi:10.1021/ac60322a717

Cited by 2 publications

(2 citation statements)

References 12 publications

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“…The compound was banned from gasolines because it was considered to contribute to the atmospheric levels of toxic inorganic Mn. Relatively low atmospheric concentrations of inorganic Mn, 5 ng/mL, have been reported to lead to chronic manganese poisoning and manganese pneumonia (11). MMT is currently used as a boiler and gas turbine fuel additive.…”

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confidence: 99%

Laser-excited atomic fluorescence in a flame as a high-sensitivity detector for organomanganese and organotin compounds following separation by high-performance liquid chromatography

Walton¹,

Wei²,

Liang³

et al. 1991

Anal. Chem.

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The coupling of a high-performance liquid chromatograph with a sensitive and selective laser-excited atomic fluorescence spectrometry (LEAFS) detector is described. In connection with this, a study of the signal and noise characteristics of instrumentation for dispersive, nondispersive, and front surface LEAFS is reported together with a comparison of the sensitivity and selectivity achieved with high-performance liquid chromatography (HPLC)-flame LEAFS, HPLC-ultraviolet (UV), and HPLC-continuum source excited flame atomic fluorescence spectrometry (AFC) instrumentation. The HPLC-flame LEAFS instrumentation was applied to an investigation of the Mn species responsible for (methylcyclopentadienyl)manganese tricarbonyl (MMT) toxicity in rats. The detection limits for various organomanganese species by HPLC-flame LEAFS ranged from 8 to 22 pg of manganese. Recovery of these compounds from rat urine varied between 80% and 100%, with a reproducibility of between 4% and 8% relative standard deviation. Preliminary data for the HPLC-flame LEAFS determination of toxic alkyltin compounds are reported.

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confidence: 99%

Laser-excited atomic fluorescence in a flame as a high-sensitivity detector for organomanganese and organotin compounds following separation by high-performance liquid chromatography

Walton¹,

Wei²,

Liang³

et al. 1991

Anal. Chem.

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“…A systematic error exists in both of these methods due to the presence of other sugars in the products analyzed. Several other methods have been proposed (1-3), including gas chromatography (4)(5)(6)(7), whereby sucrose has been separated on packed columns as the trimethylsilyl derivative. We have shown that open tubular columns are suitable for the analysis of sucrose in sugar factory products (8) and in a recent note (9) reported that a high precision may be obtained for this analysis.…”

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Determination of methylcyclopentadienylmanganesetricarbonyl in gasoline by gas chromatography with interfaced direct current argon plasma emission detection

Uden¹,

Barnes²,

DiSanzo³

1978

Anal. Chem.

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A method is described for the determination of methylcyclopentadienylmanganesetricarbonyl (MMT) in gasoline utilizing gas chromatographic separation with interfaced specific manganese detection by means of dc argon plasma emission spectroscopy. The procedure is rapid, free of interferences, specific, and requires little sample preparation. The use of cyclopentadienylmanganesetrlcarbonyl (cymantrene) as an internal reference yields a precision of ±0.8-3.4% relative standard deviation. The limit of detection Is approximately 3 ng of manganese metal as the complex.Increasing attention has been given in recent years to the use of manganese additives for improving combustion processes of various fuel oils. Organometallic compounds such as methylcyclopentadienylmanganesetricarbonyl (CH3C5-H4Mn(CO)3) (MMT), the additive AK-33X, have found application in aircraft fuels and in the formulation of heating oils to reduce flue-gas smoke. In particular MMT and similar compounds have been used in conjunction with alkyllead compounds to provide synergistic octane number improvement (1). Additives with typical manganese to lead ratios of 0.1-0.3:1 were patented (2). Other manganese compounds, e.g., amine complexes, were also found valuable in reducing noxious particle and gas emission in burning fuels (3). However, the possible danger of increased atmospheric manganese concentrations arises from these sources and levels of >5 pg Mn/L have been reported to lead to chronic manganese poisoning and/or manganese pneumonia (4).

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Trace Metals in Atmospheric Particulates and Atomic Absorption Spectroscopy

Cited by 2 publications

References 12 publications

Laser-excited atomic fluorescence in a flame as a high-sensitivity detector for organomanganese and organotin compounds following separation by high-performance liquid chromatography

Laser-excited atomic fluorescence in a flame as a high-sensitivity detector for organomanganese and organotin compounds following separation by high-performance liquid chromatography

Determination of methylcyclopentadienylmanganesetricarbonyl in gasoline by gas chromatography with interfaced direct current argon plasma emission detection

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