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现行 ASTM E2143-01(2021)
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Standard Test Method for Using Field-Portable Fiber Optics Synchronous Fluorescence Spectrometer for Quantification of Field Samples for Aromatic and Polycyclic Aromatic Hydrocarbons 使用现场便携式光纤同步荧光光谱仪对芳烃和多环芳烃现场样品进行定量的标准试验方法
发布日期: 2021-09-01
1.1 本试验方法涵盖了一种快速筛选环境样品中芳烃(AHs)和多环芳烃(PAH)的方法。该筛选在现场进行,并就含有AHs和多环芳烃的物质的污染限度提供即时反馈。通过使用适当表征的现场特定校准曲线获得量化。利用光纤进行遥感有助于访问难以到达的地区或潜在危险的材料或情况。 当现场人员可能受到危险材料的污染时,使用遥感器可以最大限度地减少或消除发生此类污染的可能性。 1.2 本试验方法适用于从土壤或水中提取的样品中存在的AHs和多环芳烃。本试验方法适用于现场筛选或经适当校准后对总AHs和PAH进行量化。 1.3 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.4 本标准并非旨在解决与其使用相关的所有安全问题(如有)。本标准的用户有责任在使用前制定适当的安全、健康和环境实践,并确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒(TBT)委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 该技术旨在现场快速筛选和表征环境土壤和水样,从而为环境修复项目节省大量成本。当情况需要或需要使用此选项时,可以使用光纤进行远程分析。 5.2 这些环境样品中总AHs和PAHs的量化是通过使用替代技术分析样品子集并生成一个站点来实现的- 特定校准曲线。 5.3 同步荧光提供了足够的光谱信息,以表征以苯、甲苯、乙苯和二甲苯(BTEX)形式存在的AHs和多环芳烃,总石油烃(TPH)的芳香部分,或至少七个稠环的大芳香环系统,例如可能在杂酚油中发现的稠环。
1.1 This test method covers a rapid method for the screening of environmental samples for aromatic hydrocarbons (AHs) and polycyclic aromatic hydrocarbons (PAHs). The screening takes place in the field and provides immediate feedback on limits of contamination by substances containing AHs and PAHs. Quantification is obtained by the use of appropriately characterized, site-specific calibration curves. Remote sensing by use of optical fibers is useful for accessing difficult to reach areas or potentially dangerous materials or situations. When contamination of field personnel by dangerous materials is a possibility, use of remote sensors may minimize or eliminate the likelihood of such contamination taking place. 1.2 This test method is applicable to AHs and PAHs present in samples extracted from soils or in water. This test method is applicable for field screening or, with an appropriate calibration, quantification of total AHs and PAHs. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 This technique is designed for on-site rapid screening and characterization of environmental soil and water samples resulting in significant cost savings for environmental remediation projects. Remote analysis can be made with optical fibers when situations warrant or demand use of this option. 5.2 Quantification of total AHs and PAHs in these environmental samples is accomplished by having a subset of the samples analyzed by an alternate technique and generating a site-specific calibration curve. 5.3 Synchronous fluorescence provides sufficient spectral information to characterize the AHs and PAHs present as benzene, toluene, ethylbenzene and xylene(s) (BTEX), the aromatic portion of total petroleum hydrocarbons (TPH), or large aromatic ring systems up to at least seven fused rings, such as might be found in creosote.
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归口单位: E13.09
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