ASTM C40/C40M-20 PDF

Scope: 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 stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.3 This standard does not purport to address all of the safety concerns, 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.

ASTM C40/C40M-20 Referenced Document

ASTM C125 Standard Terminology Relating to Concrete and Concrete Aggregates*， 2021-10-01 Update
ASTM C33/C33M Standard Specification for Concrete Aggregates*， 2023-08-01 Update
ASTM C702/C702M Standard Practice for Reducing Samples of Aggregate to Testing Size
ASTM C87/C87M Standard Test Method for Effect of Organic Impurities in Fine Aggregate on Strength of Mortar*， 2023-06-01 Update
ASTM D1544 Standard Test Method for Color of Transparent Liquids (Gardner Color Scale)
ASTM D75/D75M Standard Practice for Sampling Aggregates

2020 ASTM C40/C40M-20 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
2019 ASTM C40/C40M-19 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
2016 ASTM C40/C40M-16 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
2011 ASTM C40/C40M-11 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
2004 ASTM C40-04 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
1999 ASTM C40-99 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete