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Ethylenediaminetetraacetic acid ferric sodium salt CAS15708-41-5Used in the bleaching agent in photography. Used as additives in the food industry, in agriculture as a trace element, used as catalysts in industry.
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N-(2-Hydroxyethyl)ethylenediamine-N,N′,N′-triacetic acid CAS150-39-0The chelating agent, textile, agriculture, medicine for refining, especially for rare elements