ASTM-C40 › Historical Revision Information
Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
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Significance and Use
4.1 This test method is used in making a preliminary determination of the acceptability of fine aggregates with respect to the requirements of Specification C33 that relate to organic impurities.
4.2 The principal value of this test method is to furnish a warning that injurious amounts of organic impurities may be present. When a sample subjected to this test produces a color darker than the standard color it is advisable to perform the test for the effect of organic impurities on the strength of mortar in accordance with Test Method C87.
Keywords
colorimetric test; fine aggregate; organic impurities;; ICS Number Code 91.100.30 (Concrete and concrete products)
To find similar documents by ASTM Volume:
04.02 (Concrete and Aggregates)
To find similar documents by classification:
91.100.30 (Concrete and concrete products Including admixtures)
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Document Number
ASTM-C40/C40M-16
Revision Level
2016 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Jan. 1, 2017
Document Type
Test Method
Page Count
2 pages
Committee Number
C09.20