{"id":29232,"date":"2024-10-17T03:13:05","date_gmt":"2024-10-17T03:13:05","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-c40-2011\/"},"modified":"2024-10-24T14:09:23","modified_gmt":"2024-10-24T14:09:23","slug":"astm-c40-2011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-c40-2011\/","title":{"rendered":"ASTM-C40 2011"},"content":{"rendered":"<\/p>\n
This test method is used in making a preliminary determination of the acceptability of fine aggregates with respect to the requirements of Specification C33 that relate to organic impurities.<\/p>\n
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 .<\/p>\n
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1<\/td>\n | Scope Referenced Documents Significance and Use Apparatus Reagent and Standard Color Solution <\/td>\n<\/tr>\n | ||||||
2<\/td>\n | Sampling Test Sample Procedure Determination of Color Value Interpretation Precision and Bias Keywords <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" C40\/C40M-11 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete<\/b><\/p>\n |