Over the last two decades, new water-soluble monocyclic aromatic (MA) polymers have been developed: sulfonated phenol–formaldehyde polymer (SPF), aminosulfonate–phenol–formaldehyde polymer (AS) and ...
C1777 provides a rapid test for laboratory and field use to determine the amount of methylene blue adsorbed by a specimen of fine aggregate or mineral filter “The test in ASTM C1777 will be used to ...