ASTM C40/C40M Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
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ASTM International
Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
N C40/C40M
Annotation
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.
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.
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.
Автоматический перевод:
Стандартный метод испытаний для органических загрязнений в мелких заполнителях для бетона
Этот метод тестирования покрывает две процедуры для приблизительного определения присутствия вредных органических примесей в мелких заполнителях, которые должны использоваться в гидравлическом цементном растворе или бетоне. Одна процедура использует решение для стандартного цвета и другое использование стеклянный цветовой стандарт.
