prov:value
| - iethylenetriamine pentaacetates; 2) salts of phytic acid, for example, sodium and potassium phytates; 3) polyphosphonates, including sodium, potassium, and lithium salts of ethane-1-hydroxy-1,1-diphosphonic acid; sodium, potassium, and lithium salts of ethylene diphosphonic acid; and the like; 4) polycarboxylates, i.e., salts of acrylic acid, succinic acid, malonic acid, maleic acid, citric acid,
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