The Collection and Analysis of Low Molecular Weight Carbonyl Compounds from Source Effluents

Levaggi, D.A.; Feldstein, M

doi:10.1080/00022470.1969.10466456

Cited by 15 publications

(10 citation statements)

References 4 publications

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“…This involves syringe injection of a diluted aqueous solution of analyte into a gas stream in a heated enclosure such that the injected analyte evaporates entirely [44]. The purity of the gas standards generated depends on the purity of the liquid solution.…”

Section: Syringe Injectionmentioning

confidence: 99%

Method procedures for sampling aldehyde and ketone using 2,4-dinitrophenylhydrazine—a review

Yacoub

1999

Proceedings of the Institution of Mechanical Engineers, Part D:

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Methods for sampling aldehyde and ketone using 2,4-dinitrophenylhydrazine (DNPH) are reviewed with emphasis on the type of trapping media, the absorbing solution composition and stability and the sample flowrate. Pre- and post-sampling procedures are discussed as well as collected sample stability, detection range, contamination and interference. Different methods for generating standard atmospheres are discussed as well as collection efficiency and standards recovery. Aldehyde emissions measured using DNPH in engine exhaust are briefly reviewed with an overview of the effects of fuel type, engine concept and operation and exhaust gas aftertreatment. Finally, practices and recommendations are proposed to ensure the integrity of the sampling process and appropriateness to different applications.

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Section: Syringe Injectionmentioning

confidence: 99%

Method procedures for sampling aldehyde and ketone using 2,4-dinitrophenylhydrazine—a review

Yacoub

1999

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…Analysis of aldehydes and other carbonyls in the atmosphere has received considerable attention (1) because of the critical importance of these compounds as precursors in the production of photochemical smog, as products of photooxidation of gas-phase hydrocarbons, and as a major source of free radicals and organic aerosols in polluted atmospheres. Aldehydes are emitted directly into the atmosphere, for example, by certain industrial plants (2) and from automobiles (3) and thus are present as both primary and secondary pollutants. In addition, formaldehyde is believed to be a key intermediate in the conversion of methane to CO in very clean tropospheric environments (4).…”

Section: Introductionmentioning

confidence: 99%

Seasonal variations in ambient atmospheric levels of formaldehyde and acetaldehyde

Tanner¹,

Meng²

1984

Environ. Sci. Technol.

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“…Therefore, carbonyl compounds are found in strongly varying concentrations. Many types of industries, including those synthesizing carbonyls, are likely to emit these compounds into the atmosphere or in waste water [2]. The emission from internal combustion engines often contains large amounts of hydrocarbons and nitrogen oxides.…”

Section: Introductionmentioning

confidence: 99%

Determination of aldehydes in water samples by capillary electrophoresis after derivatization with hydrazino benzene sulfonic acid

et al. 1998

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SummaryA method has been developed for the analysis of environmentally important aldehydes in rain water. The method is based on the derivatization of the aldehydes with hydrazino benzene sulfonic acid, separation of the hydrazones formed by capillary electrophoresis and UV detection at 280 nm. Derivatization was shown to be complete in 15 min at 50 ~ The aldehyde derivatives could be separated from each other and from the excess of reagent using a pH 9 borate buffer as background electrolyte, with an analysis time of less than 6 min. The repeatability was better than 0.5 % for the peak mobilities and in the order of 2-5 % for the peak areas. Detection limits of 0.8-3 pmol L -1 (0.02-0.2 ppm) were obtained. The method was applied for the determination of formaldehyde and acetaldehyde in rain water samples.

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The Collection and Analysis of Low Molecular Weight Carbonyl Compounds from Source Effluents

Cited by 15 publications

References 4 publications

Method procedures for sampling aldehyde and ketone using 2,4-dinitrophenylhydrazine—a review

Method procedures for sampling aldehyde and ketone using 2,4-dinitrophenylhydrazine—a review

Seasonal variations in ambient atmospheric levels of formaldehyde and acetaldehyde

Determination of aldehydes in water samples by capillary electrophoresis after derivatization with hydrazino benzene sulfonic acid

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