Matches in DBpedia 2016-04 for { ?s ?p "A methylene blue active substances assay, or MBAS assay, is a colorimetric analysis test method that uses methylene blue to detect the presence of anionic surfactants (such as a detergent or foaming agent) in a sample of water. An anionic surfactant detected by the color reaction is called a methylene blue active substance (MBAS).After first acidifying a water sample (with boric acid, for example), one adds to it chloroform and a solution of methylene blue et al."@en }
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- MBAS_assay comment "A methylene blue active substances assay, or MBAS assay, is a colorimetric analysis test method that uses methylene blue to detect the presence of anionic surfactants (such as a detergent or foaming agent) in a sample of water. An anionic surfactant detected by the color reaction is called a methylene blue active substance (MBAS).After first acidifying a water sample (with boric acid, for example), one adds to it chloroform and a solution of methylene blue et al.".
- Q6714657 comment "A methylene blue active substances assay, or MBAS assay, is a colorimetric analysis test method that uses methylene blue to detect the presence of anionic surfactants (such as a detergent or foaming agent) in a sample of water. An anionic surfactant detected by the color reaction is called a methylene blue active substance (MBAS).After first acidifying a water sample (with boric acid, for example), one adds to it chloroform and a solution of methylene blue et al.".