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Standard Practice for Ultrasonic Extraction of Paint, Dust, Soil, and Air Samples for Subsequent Determination of Lead
Automaticky preložený názov:
Štandardná prax pre ultrazvukové Ťažba Paint , prachu, pôde , a vzorky vzduchu pre následné stanovenie olova
NORMA vydaná dňa 1.10.2004
Označenie normy: ASTM E1979-04
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.10.2004
Kód tovaru: NS-43821
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
air particulate, dry paint film, lead, sample preparation, settled dust, soils, ultrasonic extraction, ICS Number Code 17.140.99 (Other standards related to acoustics), 71.040.50 (Physicochemical methods of analysis)
Significance and Use | ||||||||||||||||||||||||||
Ultrasonic extraction using dilute nitric acid is a simpler and easier method for extracting lead from environmental samples than are traditional digestion methods that employ hot plate or microwave digestion with concentrated acids (1), (3), (5), (6). Hence, ultrasonic extraction may be used in lieu of the more rigorous strong acid/high temperature digestion methods (for example, see Ref (1) and Test Method E 1613), provided that the performance is demonstrated using accepted criteria as delineated in Guide E 1775. In contrast with hot plate or microwave digestion techniques, ultrasonic extraction is field-portable, which allows for on-site sample analysis. |
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1. Scope | ||||||||||||||||||||||||||
1.1 This practice covers an ultrasonic extraction procedure for the extraction of lead from environmental samples of interest in lead abatement and renovation (or related) work, for analytical purposes. 1.2 Environmental matrices of concern include dry paint films, settled dusts, soils, and air particulates. 1.3 Samples subjected to ultrasonic extraction are prepared for subsequent determination of lead by laboratory analytical methods. 1.4 This practice includes, where applicable, descriptions of procedures for sample homogenization and weighing prior to ultrasonic extraction. 1.5 The values stated in SI units are to be regarded as the standard. 1.6 This practice 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 practice to establish appropriate safety and health practices and determine the applicability of regulatory limitation prior to use. |
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2. Referenced Documents | ||||||||||||||||||||||||||
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