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Main Title: Monitoring of Heavy Metals By Energy Dispersive X-Ray Fluorescence Spectrometry
Author(s): Lorber, Karl E.
Type: Article
Language Code: en
Abstract: Fundamentals and salient features of a projected heavy metals monitoring system are discussed. Determination of mass concentrations is achieved by using a new dust emission monitor, consisting of a "Zero Pressure Probe" for isokinetic sampling, which is connected to a "Longitudinally Oscillating Band" mass detector. The thin dust layer, precipitated on the surface of heat resistant filter tapes could be analysed nondestructively by energy-dispersive X-ray fluorescence (EDXRF). Using a small portable EDXRF-system with radioisotope-excitation, quasi-continuous monitoring of particulate heavy metals (Cd, Hg, Pb, Cu, Sb, Zn, Sn) suspended in incinerator stack gases is expected to be feasible. Another application of EDXRF-analysis is the reported investigation of electrostatic precipitator ash (ESP-fly ash). Using the "Linear Multi-Elemental-Standard Addition Method" as a fast and simple routine technique, results are reported for the concentrations of Pb, Cd, Cu and Zn in fly ash samples which had been collected in different fields (hoppers) of the electrostatic precipitator.
Issue Date: 1986
Date Available: 8-Jan-2019
DDC Class: 690 Hausbau, Bauhandwerk
Subject(s): Waste incineration
precipitator ash
EDXRF analysis
particulate heavy metals
stack gas analysis
Journal Title: Waste Management & Research
Publisher: SAGE Publications
Publisher Place: Washington, DC
Volume: 4
Issue: 1
Publisher DOI: 10.1177/0734242X8600400102
Page Start: 3
Page End: 13
EISSN: 1096-3669
ISSN: 0734-242X
Notes: Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.
Appears in Collections:Inst. Technischen Umweltschutz » Publications

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