Determination of volatile chlorinated hydrocarbons and trichloroacetic acid in conifer needles by headspace gas-chromatography

Plümacher, J.; Renner, I.

doi:10.1007/bf00322844

Cited by 47 publications

(29 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Although the use of trichloroacetic acid (CCl 3 -COOH, TCA) as a herbicide in agriculture has been prohibited for many years in most European countries, TCA concentrations of up to 20 g/L or 175 ng/g have been measured recently in various environmental samples, including rainwater [1,2], surface waters [3], and conifer needles [1,4]. Because of the significant phytotoxicity of TCA [4][5][6], there is a need to identify and quantify the major present sources and fluxes of this compound in the environment.…”

Section: Introductionmentioning

confidence: 99%

Occurrence, sources, and fate of trichloroacetic acid in swiss waters

Müller

Zweifel

Kinnison

et al. 1996

Enviro Toxic and Chemistry

View full text Add to dashboard Cite

Abstract-The occurrence, sources, and fate of trichloroacetic acid (TCA) has been investigated in surface waters, ground waters, drinking waters, wastewaters, and rainwater in Switzerland. The concentrations found in surface waters varied between less than 27 ng/L (limit of quantification) and 340 ng/L, whereas the concentrations in ground water were always below 27 ng/L. It was found that the main sources of TCA in surface waters were the effluents of wastewater treatment plants (average concentration, 430 ng/L; range, 40-1060 ng/L). The average TCA concentration in rainwater was 300 ng/L range, (Ͻ27-900 ng/L). A dynamic mathematical model revealed that TCA is not significantly degraded in a lake (half-life Ͼ230 d). A detailed mass balance in the catchment area of a small lake (Greifensee) and a very rough mass balance over Switzerland indicate that rain is the major source of TCA in Switzerland (Ͼ90%), but they also show that about 60 to 80% of the TCA deposited by rain is eliminated, most probably in the soil.

show abstract

Section: Introductionmentioning

confidence: 99%

Occurrence, sources, and fate of trichloroacetic acid in swiss waters

Müller

Zweifel

Kinnison

et al. 1996

Enviro Toxic and Chemistry

View full text Add to dashboard Cite

show abstract

“…In this study, numerous field measurements were made to assess the temporal and spatial variations in TCA concentrations in surface waters (rivers and lakes), ground water, drinking water, wastewater (influent and effluent), and rainwater in Switzerland. The aims of the study were (1) to evaluate the occurrence and fate of TCA in the aquatic environment, (2) to identify and quantify the major sources of TCA in surface and possibly ground waters in Switzerland, (3) to set up a mathematical model for TCA in a lake and to evaluate possible elimination processes, (4) to obtain a rough estimate of the TCA fluxes for a given region as well as for all of Switzerland, and (5) to evaluate the hypotheses of chlorinated solvents as TCA precursors. Figure 1 shows a map of Switzerland and an enlarged section of the Greifensee region including all sampling locations.…”

Section: Introductionmentioning

confidence: 99%

Occurrence, Sources, and Fate of Trichloroacetic Acid in Swiss Waters

Zweifel¹,

Kinnison²,

Jacobsen³

et al. 1996

Environ Toxicol Chem

View full text Add to dashboard Cite

The occurrence, sources, and fate of trichloroacetic acid (TCA) has been investigated in surface waters, ground waters, drinking waters, wastewaters, and rainwater in Switzerland. The concentrations found in surface waters varied between less than 27 ng/L (limit of quantification) and 340 ng/L, whereas the concentrations in ground water were always below 27 ng/L. It was found that the main sources of TCA in surface waters were the effluents of wastewater treatment plants (average concentration, 430 ng/L; range, 40-1060 ng/L). The average TCA concentration in rainwater was 300 ng/L range, (Ͻ27-900 ng/L). A dynamic mathematical model revealed that TCA is not significantly degraded in a lake (half-life Ͼ230 d). A detailed mass balance in the catchment area of a small lake (Greifensee) and a very rough mass balance over Switzerland indicate that rain is the major source of TCA in Switzerland (Ͼ90%), but they also show that about 60 to 80% of the TCA deposited by rain is eliminated, most probably in the soil.

show abstract

“…The chemoecological importance of Pinus species has motivated a continuous interest for developing methods devoted to the determination of inorganic [14,15] and organic [16][17][18] pollutants. Remarkably, the great variability of climates and microclimates where the Pinus species grow, as well as the appearance of a wide range of morphological, chemical, and biochemical characters, has complicated the delimitation of the different species and the establishment of their taxonomic relationships [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Voltammetric analysis of Pinus needles with physiological, phylogenetic, and forensic applications

et al. 2016

View full text Add to dashboard Cite

Polyphenolic compounds are electrochemically active components of vegetal matter which were targeted under simple experimental conditions to produce voltammetric profiles characterizing the metabolite composition. Application to bivariate and multivariate chemometric techniques permits to discriminate the species and age of plant leaves, illustrated here for the case of six Pinus species from two different subgenera. Such responses, associated with the electrochemical oxidation of polyphenolic compounds (quercetin, gallic acid, ellagic acid, among others), define a voltammetric profile which varies systematically with the age of the leaves for the different species. The application of this methodology for phylogenetic studies, plant physiology, forensic science, and chemoecology is discussed. Graphical Abstract Image of Pinus in a typical Mediterranean forest; Courtesy of the Botanic Garden of the University of Valencia.

show abstract

Determination of volatile chlorinated hydrocarbons and trichloroacetic acid in conifer needles by headspace gas-chromatography

Cited by 47 publications

References 16 publications

Occurrence, sources, and fate of trichloroacetic acid in swiss waters

Occurrence, sources, and fate of trichloroacetic acid in swiss waters

Occurrence, Sources, and Fate of Trichloroacetic Acid in Swiss Waters

Voltammetric analysis of Pinus needles with physiological, phylogenetic, and forensic applications

Contact Info

Product

Resources

About