ASTM D 4793 Standard Test Method for Sequential Batch Extraction of Waste with Water
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ASTM D 4793 Document Information:
Title
Standard Test Method for Sequential Batch Extraction of Waste with Water
ASTM International
Publication Date:
Jan 15, 1993
Scope:
This test method is a procedure for the sequential leaching of a waste containing at least five %
solids to generate solutions to be used to determine the constituents leached under the specified
testing conditions.
This test method calls for the shaking of a known weight of waste with water of a specified purity
and the separation of the aqueous phase for analysis. The procedure is conducted ten times in
sequence on the same sample of waste and generates ten aqueous solutions.
This test method is intended to describe the procedure for performing sequential batch extractions
only. It does not describe all types of sampling and analytical requirements that may be associated
with its application.
This standard does not purport to address all of the safety problems, if any, associated with its
use. It is the responsibility of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory limitations prior to use.
Keywords:
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extract
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extraction fluid
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leaching
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sequential batch extraction
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waste leaching technique
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