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ASTM C40/C40M-20

Current Revision

Standard Test Method for Organic Impurities in Fine Aggregates for Concrete

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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/C33M 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/C87M.

SDO ASTM: ASTM International
Document Number C40
Publication Date Jan. 15, 2020
Language en - English
Page Count 3
Revision Level 20
Supercedes
Committee C09.20
Publish Date Document Id Type View
Jan. 15, 2020 C0040_C0040M-20 Revision
Jan. 1, 2019 C0040_C0040M-19 Revision
Dec. 1, 2016 C0040_C0040M-16 Revision
April 1, 2011 C0040_C0040M-11 Revision