| http://www.w3.org/ns/prov#value | - Suitable complexing agents include hydrophilic, water-soluble polymers such as cellulose ethers, polyvinylpyrrolidone and polyvinyl alcohol and anionic, cationic, nonionic and amphoteric surface active agents such as polyalkoxylated alkylphenols (e.g. nonylphenoxypoly (ethyleneoxy) ethanol), polyalkoxylated alkanols, long chain quaternary amines, alkyl sulphates (e.g. sodium lauryl sulphate) and a
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