This standard specifies the method of testing to determine the approximate harmful levels of organic impurities in fine aggregates used in mortar and concrete.
JIS A 1105:2001 history
2015JIS A 1105:2015 Method of test for organic impurities in fine aggregate
2007JIS A 1105:2007 Method of test for organic impurities in fine aggregate
2001JIS A 1105:2001 Method of test for organic impurities in fine aggregate
1993JIS A 1105:1993 Method of test for organic impurities in fine aggregates