Specifies a rapid qualitative means for determining whether the clay content of the fines of an aggregate contains deleterious swelling clay minerals, such as smectices, which are usually results of the weathering of rock.Also indicates to what an extent
SANS 6243:2008 history
2008SANS 6243:2008 Deleterious clay content of the fines in aggregate (methylene blue adsorption indicator test)
2002SANS 6243:2002 Deleterious clay content of the fines in aggregate (methylene blue adsorption indicator test)