| http://www.w3.org/ns/prov#value | - phite, iodide, borate, metaborate, pyroborate, fluoborate or carbonate or an organic such as formate, acetate, benzoate, citrate, tartrate, lactate, propionate, butyrate, ethylene diamine tetracetate, paratoluene sulphonate, benzene sulphonate or a surfactant anion such as an alkyl benzene sulphonate, alkyl sulphate or alkyl ether sulphate.
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