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Merck
  • VOC in an urban and industrial harbor on the French North Sea coast during two contrasted meteorological situations.

VOC in an urban and industrial harbor on the French North Sea coast during two contrasted meteorological situations.

Environmental pollution (Barking, Essex : 1987) (2009-07-08)
Joelle Roukos, Véronique Riffault, Nadine Locoge, Hervé Plaisance
摘要

Two measurement campaigns of volatile organic compounds (VOC) were carried out in the industrial city of Dunkerque, using Radiello passive samplers during winter (16-23 January) and summer (6-13 June) 2007. 174 compounds were identified belonging to six chemical families. Classifying sampling sites with similar chemical profiles by hierarchical ascending classification resulted in 4 groups that reflected the influence of the main industrial and urban sources of pollution. Also, the BTEX (Benzene, Toluene, Ethylbenzene and Xylenes) quantification allowed us to map their levels of concentration. Benzene and toluene (BT) showed high concentrations in Northern Dunkerque reflecting the influence of two industrial plants. Differences among spatial distributions of the BT concentrations over contrasted meteorological conditions were also observed. An atypical ratio of T/B in the summer samples led us to investigate the BTEX origins shedding light on the contribution of pollutants transported across various zones of VOC emissions situated in Europe.

材料
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產品描述

radiello 小柱吸附剂, for sampling BTEX and VOCs (CS2 Desorption), matrix SS net (100 mesh, 5.8 mm diam.), activated with activated charcoal (30-50 mesh), pk of 20
radiello 三角支撑板, pk of 20
radiello 扩散体外壳, white, configured for general use, pk of 20
radiello 小柱吸附剂, for sampling Aldehydes, matrix SS net with 2,4-DNPH coated FLORISIL®, pk of 20
radiello 小柱吸附剂, for sampling Ammonia (NH3), matrix microporous PE impregnated with phosphoric acid, pk of 20
radiello 扩散体外壳, blue, configured for sampling light sensitive compounds, pk of 20
radiello 扩散体外壳, yellow, configured for reduced sampling rates, pk of 20
radiello 小柱吸附剂, for sampling BTEX and VOCs (thermal desorption), matrix SS net (3 x 8 μm, 4.8 mm diam.), Carbograph, pk of 20
Supelco
radiello 亚甲蓝校正标准样,用于 H2S(硫化氢), pkg of 100 mL
radiello 室外防护罩, pk of 10
radiello 条形码标签, pk of 198
radiello 竖直连接头, threaded for standard use, pk of 20
radiello BTEX/VOC Starter试剂盒,CS2解吸
radiello 过滤套装, pk of 20
Supelco
radiello BTEX 校正套装(热解吸)
radiello 空储存管, glass (with stopper), volume 2.8 mL, pk of 100
Supelco
radiello醛校准标准品, 50 μg/mL each component in acetonitrile, pkg of 10 mL
Supelco
radiello BTEX 校正套装(CS2 解吸)
radiello 夹, suspending Radiello triangular support plate, pk of 20
radiello 1,3-丁二烯起动包,热解吸, pkg of 1 kit (2 RAD141 adsorbing cartridges and barcode labels, 1 RAD1202 yellow diffusive body, 1 RAD121 triangular support plate, 1 instruction sheet)