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ASTM C40/C40M-20
Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
Translate name
STANDARD published on 15.1.2020
The information about the standard:
Designation standards: ASTM C40/C40M-20
Publication date standards: 15.1.2020
SKU: NS-984097
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM C40/C40M-20 :
Keywords:
colorimetric test, fine aggregate, organic impurities,, ICS Number Code 91.100.30 (Concrete and concrete products)
Additional information
| Significance and Use | ||||||||||||
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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. |
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| 2. Referenced Documents | ||||||||||||
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