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Trade Lead Title  1 hydroxy ethylidene 1 1 diphosphonic acid hedp Trade Lead Details Date : July 22, 2008 Offer type : [S] SELL :: Product Sales Categorie : Water Teatment Print this Ad Contact Informations Company : Shandong taihe water treatment co ltd Country : china Contact Exporter - Seller  Trade Lead Message HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals’ surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250℃. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.  Related sources Related searches by keywords: » Hydroxy Ethylidene Diphosphonic Acid Hedp Google Search Type the keywords of your choice below Custom Search  Tradeleads » Environment | Water Teatment

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