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  • 1
    Online Resource
    Online Resource
    JPI-Oceans Microplastic Verbundprojekt: Defining the baselines and standards for microplastics analysis in European waters (BASEMAN) : Abschlussbericht : Teilvorhaben der Carl von Ossietzky Universität Oldenburg, Institut für Chemie und Biologie des Meeres (ICBM): Qualitative und quantitative chemische Analyse von Mikroplastik in der marinen Umwelt durch Pyrolyse Gaschromatographie-Massenspektrometrie (BASEMAN-ICBM) : Gesamtlaufzeit: 01.01.2016-31.12.2018 : Berichtszeitraum: 01.01.2016-31.12.2018 (2019)
    Oldenburg : [Carl von Ossietzky Universität Oldenburg]
    Details Availability
    Keywords: Forschungsbericht ; Mikroplastik ; GC-MS ; Pyrolyse-Massenspektrometrie
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (29 Seiten, 1,38 MB) , Diagramme, Illustrationen
    URL: https://doi.org/10.2314/KXP:1788654455
    DOI: 10.2314/KXP:1788654455
    Language: German
    Note: Förderkennzeichen BMBF 03F0734D , Verbundnummer 01166607 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
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  • 2
    Electronic Resource
    Electronic Resource
    New stereoisomers of quinic acid and their lactones (1991)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1991 (1991), S. 1029-1036 
    Details
    ISSN: 0170-2041
    Keywords: Quinic acid, stereoisomers of ; Quinic acid γ-lactones ; Quinic acid δ-lactones ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Heating of (-)-quinic acid [(-)-1] at reflux temperature with 90% acetic acid/concd. H2SO4 (67/1) yields a mixture of six stereoisomeric quinic acids (four meso forms and two pairs of enantiomers), four γ-quinides (four pairs of enantiomers), and three δ-quinides (two meso forms and one enantiomeric pair). The 1H- and 13C-NMR spectra for most of these compounds are given. The fully trimethylsilylated derivatives of all the compounds are characterized by high-resolution GC/MS. The existence of neo-quinic acid (6), its γ- (10) and δ-lactone (12), of epi-δ-quinide (13), of two meso-quinic acids, and of another γ-quinide is reported for the first time. The structures and configurations of neo-quinic acid, neo-γ-, neo-δ-, and epi-δ- quinide are derived from their NMR spectra. All stereoisomeric quinic acids and their γ-and δ-lactones are also formed under the roasting conditions of coffee.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.1991199101177
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Die Beilstein-Probe: Eine unbeabsichtigte Dioxin-Quelle in Routine- und Forschungslaboratorien? (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 104 (1992), S. 477-479 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19921040428
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    The Beilstein Test: An Unintentional Dioxin Source in Analytical and Research Laboratories (1992)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 31 (1992), S. 443-444 
    Details
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/anie.199204431
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    Paper (German National Licenses)
    Fulltext
  • 5
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    Abundances of small microplastics (S-MP, 11-500 µm) in surface waters of the Weser estuary and the German North Sea (April 2018) (2021)
    PANGAEA
    Details
    Publication Date: 2023-06-10
    Description: In order to assess pollution with small microplastics (S-MP, 11-500 µm) in the Lower Weser and transition to the German North Sea, surface water samples were collected with the RV Otzum (ICBM, Institute for Chemistry and Biology of the Marine Environment), as well as with the RV Uthörn (AWI, Alfred-Wegener-Institute) in April 2018. Sampling was performed using a pumping system containing of a floating suction basket (mesh size: 500 µm) for pre-filtration, followed by the concentration onto a 15 µm stainless steel screen. Samples were isolated from the filter screens in the laboratory, thoroughly processed and measured via µFTIR imaging. Dominant polymer type in the S-MP sample fraction was acrylates/polyurethanes/varnish, and concentrations ranged between 2.3 × 10¹ and 9.7 × 10³ m⁻³, with maximum values in the area of the turbidity Maximum Zone of the River Weser.
    Keywords: Acrylates, polyurethanes, varnish; Acrylonitrile butadiene; Cellulose chemical modified; Chlorinated polyethylene; DATE/TIME; Duration; Ethylene-vinyl acetate; Event label; Freshwater system; ICBM_Ot1804; Infrared Spectroscopy; Jade Bay; LATITUDE; Location; LONGITUDE; Method comment; Microplastic abundance; Microplastics; Mikroplastikkontamination im Modellsystem Weser – Nationalpark Wattenmeer: ein ökosystemübergreifender Ansatz; Nitrile rubber; North Sea margin; O_10_16; O_10_18; O_10_37; O_10_39; O_10_41; O_10_43; O_10_45; O_10_47; O_10_48; O_10_49; O_10_50; O_10_51; O_10_52; O_10_53; Otzum; Plastic pollution; PLAWES; Polyamide; Polycaprolactone; Polycarbonate; Polyester; Polyether ether ketone; Polyethylene; Polylactic acid; Polyoxymethylene; Polypropylene; Polystyrene; Polysulfone; Polyvinyl chloride; Project; river; Rubber; Sample volume; U_10_19; U_10_20; U_10_30; U_10_30a; U_10_30b; U_10_30d; U_10_31; U_10_33; U_10_34; UT04/2018; Uthörn; Water sample; Weser, Germany, Europe; WS
    Type: Dataset
    Format: text/tab-separated-values, 598 data points
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    DATA PANGAEA
  • 6
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    Unknown
    Car and truck tire wear particles in road dust samples - A quantitative comparison with traditional microplastic polymer mass loads (2023)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Description: This data set provides quantitative mass loads of tire wear particles (TWP) and traditional microplastics (C-PE, C-PP, C-PS, C-PVC, C-PMMA, C-PET, C-PC, C-MDI-PUR) in the urban environment. A differentiation between car and truck tire wear (CTT and TTT) was presented. The C-PVC cluster might be interfered by additional anthropogenic sources, as the C-PVC indicator naphthalene is highly unspecific, accordingly the given results primarily reflect the order of magnitude. In this study, road dusts were analyzed and measured with pyrolysis-gas chromatography-mass spectronomy (Py-GC/MS). Pyrolysis was performed at 590°C in a micro-furnace pyrolizer (EGA/Py-3030D, FrontierLabs) connected to an auto-shot sampler (AS-1020E, FrontierLabs). A gas chromatograph (6890 N, Agilent) equipped with a DB-5MS column was used for separation. The mass spectrometer (MSD 5973, Agilent) operated with full-scan mode. A gas chromatograph (6890 N, Agilent) equipped with a DB-5MS column was used for separation. The mass spectrometer (MSD 5977A) operated with full-scan mode. Additional information are found in the supplementary information of the related study. Road dust samples were collected in a mid-sized German city (Oldenburg). Road dust were contaminated with traditional microplastics and tire wear particles. The here presented data are part of a study, which has been published in February 2021 (doi: 10.1016/j.scitotenv.2021.145667).
    Keywords: 2019_TWP_A; 2019_TWP_B; 2019_TWP_C; 2019_TWP_D; 2019_TWP_E; 2020_TWP_F; 2020_TWP_G; 2020_TWP_H; 2020_TWP_I; 2020_TWP_J; 2020_TWP_K; 2020_TWP_L; 2020_TWP_M; A; B; C; car tires; Car tire wear particles; D; DATE/TIME; Diphenylmethane diisocyanate-Polyurethane, cluster; E; Event label; F; FACTS; Fluxes and Fate of Microplastics in Northern European Waters; G; H; I; J; K; L; LATITUDE; LONGITUDE; M; Microplastics; Mikroplastikkontamination im Modellsystem Weser – Nationalpark Wattenmeer: ein ökosystemübergreifender Ansatz; Name; Oldenburg, Germany; PLAWES; Polyamide 6, cluster; Polycarbonate, cluster; Polyethylene, cluster; Polyethylene terephthalate, cluster; Polymethylmethacrylate, cluster; Polypropylene, cluster; Polystyrene, cluster; Polyvinyl chloride, cluster; Py-GC/MS; Pyrolysis-gas chromatography-mass spectrometry; Shovel; SHOVEL; Sum; tire wear particles; truck tires; Truck tire wear particles
    Type: Dataset
    Format: text/tab-separated-values, 169 data points
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    DATA PANGAEA
  • 7
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    Unknown
    Occurrence of microplastics including tire wear particles in northern Atlantic air measured by high-volume samplers in summer 2021 (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-16
    Description: This data set provides mass quantitative data of microplastics (MP) including tire wear particles (TWP) in northern Atlantic air. Air samples were taken with two different active air sampling devices (low- and high-volume samplers) during seven transects on a research cruise along the Norwegian coast up to Bear Island. Identification and quantification of MP was performed with pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS). More information about the measurement technique is found in the related paper (Goßmann et al., 2023; doi:10.1038/s41467-023-39340-5). MP was detected in all transects (max. 37.5 ng m-3). Particularly interesting was the ubiquity of the polyethylene terephthalate cluster (C-PET, max. 1.5 ng m-3). TWP was detected only twice, but in comparably high concentrations (max. 35 ng m-3). A close relationship of C-PET occurrence and possible re-emission processes from the ocean were suspected. The results for some polymer clusters had to be excluded due to sampling related interferences. The respective background is discussed in the related publication. The indicator used for identification and quantification of the polyvinyl chloride cluster (C-PVC) is rather unspecific. Therefore, C-PVC might be interfered by additional anthropogenic sources and the given C-PVC concentration only represents an order of magnitude.
    Keywords: airborne concentration; B1; B2; B3; Car tire wear particles; Comment; Date/Time of event; Diphenylmethane diisocyanate-Polyurethane, cluster; Event label; FACTS; Fluxes and Fate of Microplastics in Northern European Waters; HE578; HE578_B1-VM; HE578_B2-VM; HE578_B3-VM; HE578_T1-KO; HE578_T1-VM; HE578_T2-KO; HE578_T2-VM; HE578_T3-KO; HE578_T3-VM; HE578_T4-KO; HE578_T4-VM; HE578_T5-KO; HE578_T5-VM; HE578_T6-KO; HE578_T6-VM; HE578_T7-KO; HE578_T7-VM; Heincke; High volume aerosol sampler; Latitude of event; Longitude of event; Microplastics; Polycarbonate, cluster; Polyethylene terephthalate, cluster; Polymethylmethacrylate, cluster; Polypropylene, cluster; Polystyrene, cluster; Polyvinyl chloride, cluster; Py-GC/MS; Pyrolysis-gas chromatography-mass spectrometry; Pyrolysis-GC/MS; Sample volume; Size fraction; T1; T2; T3; T4; T5; T6; T7; tire wear particles; Transect; Truck tire wear particles
    Type: Dataset
    Format: text/tab-separated-values, 305 data points
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    DATA PANGAEA
  • 8
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    Unknown
    Microplastic including tire wear particles in urban air measured in spider webs in Oldenburg, Germany, in 2020 (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-16
    Description: This data set presents microplastic (MP) mass loads including tire wear particles (TWP) in spider webs collected from bus stops in a mid-sized German city. Spider webs were used as a spatial and temporal mirror of MP contamination in urban air. The analysis was conducted with pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS). Details concerning the measurements, quantification, and calibration are found in the related study (Goßmann et al., 2022). Spider webs were greatly contaminated with TWP, clusters of polyethylene-terephthalate (C-PET) and polyvinylchloride (C-PVC). Moreover, they provide insight into spatial differences and trends of MP/TWP load in local (urban) air on a small scale. While busy, stop and go dominated roads showed higher contamination of TWP, spider webs from residential areas were more often contaminated with MP other than TWP, predominantly C-PET. In some spider webs, MP accounted for up to ten percent of the total weight of the sample.
    Keywords: 2020_A-A1; 2020_A-B1; 2020_A-C1; 2020_B-A1; 2020_B-B1; 2020_B-C1; 2020_B-D1; 2020_H-A1; 2020_H-A2; 2020_H-A3; 2020_H-B2; 2020_H-B3; 2020_H-C1; 2020_H-C2; 2020_H-C3; A-A1; A-B1; A-C1; B-A1; B-B1; B-C1; B-D1; Car tire wear particles; Date/Time of event; Event label; FACTS; Fluxes and Fate of Microplastics in Northern European Waters; H-A1; H-A2; H-A3; H-B2; H-B3; H-C1; H-C2; H-C3; Latitude of event; Longitude of event; Microplastics; Oldenburg, Germany; Polyethylene, cluster; Polyethylene terephthalate, cluster; Polymethylmethacrylate, cluster; Polypropylene, cluster; Polystyrene, cluster; Polyvinyl chloride, cluster; Py-GC/MS; Pyrolysis-gas chromatography-mass spectrometry; Sample type; Spatial distribution; Spider webs; Sum; temporal distribution; tire wear particles; Truck tire wear particles; urban air; Wooden tooth pick
    Type: Dataset
    Format: text/tab-separated-values, 150 data points
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    DATA PANGAEA
  • 9
    facet.materialart.
    Unknown
    Occurrence of microplastics including tire wear particles in northern Atlantic air measured by low-volume samplers in summer 2021 (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-16
    Description: This data set provides mass quantitative data of microplastics (MP) including tire wear particles (TWP) in northern Atlantic air. Air samples were taken with two different active air sampling devices (low- and high-volume samplers) during seven transects on a research cruise along the Norwegian coast up to Bear Island. Identification and quantification of MP was performed with pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS). More information about the measurement technique is found in the related paper (Goßmann et al., 2023; doi:10.1038/s41467-023-39340-5). MP was detected in all transects (max. 37.5 ng m-3). Particularly interesting was the ubiquity of the polyethylene terephthalate cluster (C-PET, max. 1.5 ng m-3). TWP was detected only twice, but in comparably high concentrations (max. 35 ng m-3). A close relationship of C-PET occurrence and possible re-emission processes from the ocean were suspected. The results for some polymer clusters had to be excluded due to sampling related interferences. The respective background is discussed in the related publication. The indicator used for identification and quantification of the polyvinyl chloride cluster (C-PVC) is rather unspecific. Therefore, C-PVC might be interfered by additional anthropogenic sources and the given C-PVC concentration only represents an order of magnitude.
    Keywords: airborne concentration; B1; B2; B3; Car tire wear particles; Comment; Date/Time of event; Diphenylmethane diisocyanate-Polyurethane, cluster; Event label; FACTS; Fluxes and Fate of Microplastics in Northern European Waters; HE578; HE578_B1-LV; HE578_B2-LV; HE578_B3-LV; HE578_T1-LV; HE578_T2-LV; HE578_T3-LV; HE578_T4-LV; HE578_T5-LV; HE578_T6-LV; HE578_T7-LV; Heincke; Latitude of event; Longitude of event; Low volume aerosol sampler; Microplastics; Polycarbonate, cluster; Polyethylene terephthalate, cluster; Polymethylmethacrylate, cluster; Polypropylene, cluster; Polystyrene, cluster; Polyvinyl chloride, cluster; Py-GC/MS; Pyrolysis-gas chromatography-mass spectrometry; Pyrolysis-GC/MS; Sample volume; Size fraction; T1; T2; T3; T4; T5; T6; T7; tire wear particles; Transect; Truck tire wear particles
    Type: Dataset
    Format: text/tab-separated-values, 237 data points
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    DATA PANGAEA
  • 10
    facet.materialart.
    Unknown
    Microplastic and tire wear particle mass loads in the overlying air, sea surface microlayer, and underlying water in Swedish fjords in 2021 (2023)
    PANGAEA
    Details
    Publication Date: 2024-03-06
    Description: This data set represents a simultaneously taken data set for overlying air, sea surface microlayer (SML, 〈 1 mm depth), and underlying water (ULW, 1 m depth) for microplastic (MP) including tire wear particles (TWP). Samples were taken in three different Swedish fjords of varying anthropogenic impact (urban (UB), industrial (AF), and rural (GF)) with a remote-controlled research catamaran (Sea Surface Scanner (S³), doi:10.1175/JTECH-D-17-0017.1). Each day, one air sample was taken by actively sampling air during the entire daily GPS track of the S³. For the water samples, every day three SML (3x10 L) and three ULW (3x10 L) samples were taken, while the S³ was driving along the respective GPS tracks and pooled together for each day. GPS tracks are available for each day, except day 5. Here, weather conditions did not allow a deployment of the S³ and it was operated while being tied to the quay. The analysis was conducted with pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS). Details concerning the measurements, quantification, and calibration are found in the related study (Goßmann et al., 2023; doi:10.1021/acs.est.3c05002). The indicator used for identification and quantification of the polyvinyl chloride cluster (C-PVC) is rather unspecific. Therefore, C-PVC might be interfered by additional anthropogenic sources and the given C-PVC concentration only represents an order of magnitude. Enrichment factors (EF) of MP and TWP were calculated by dividing the concentration in the SML by the concentration of the ULW. EF above one describe an enrichment in the SML, EF below one indicate a depletion.
    Keywords: FACTS; Fluxes and Fate of Microplastics in Northern European Waters; mass-based quantification; Microplastics; Pyrolysis-GC/MS; sea surface microlayer; tire wear particles
    Type: Dataset
    Format: application/zip, 8 datasets
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    DATA PANGAEA
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