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1.1 This test method covers two procedures for an approximate determination of the presence of injurious organic impurities in fine aggregates that are to be used in hydraulic cement mortar or concrete. One procedure uses a standard color solution and the other uses a glass color standard.
1.2 The values given in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C33 Specification for Concrete Aggregates
C87 Test Method for Effect of Organic Impurities in Fine Aggregate on Strength of Mortar
C125 Terminology Relating to Concrete and Concrete Aggregates
C702 Practice for Reducing Samples of Aggregate to Testing Size
D75 Practice for Sampling Aggregates
D1544 Test Method for Color of Transparent Liquids (Gardner Color Scale)
ICS Number Code 91.100.30 (Concrete and concrete products)
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ASTM C40-04, Standard Test Method for Organic Impurities in Fine Aggregates for Concrete, ASTM International, West Conshohocken, PA, 2004, www.astm.orgBack to Top