HEDP is an abbreviation for 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, Etidronic Acid.
ATMP is an abbreviation for Amino Tri(Methylene Phosphonic Acid), Nitrilotrimethylphosphonic Acid(NTP)
HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, Metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent.
ATMP is used in industrial circulating cool water system and oilfield water pipeline in fields of thermal power plant and oil refinery plant. ATMPcan decrease scale formation and inhibit corrosion of metal equipment and pipeline. ATMP can be used as chelating agent in woven and dyeing industries and as metal surface treatment agent.
HEDP had better synergistic effect with other polymers or chemicals comparing with ATMP.
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there is no difference.
No difference.
Weihai Xiangyu Technology Co. Ltd can produce nfs grade atmp and hedp
They belong to phophonates, can be used as anti-scalent and corrision inhabitor in circulating cooling system, performances are quite good.
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ATMP is Amino Trimethylene Phosphonic Acid Monomer chemical for water treatment chemicals CAS No. 6419-19-8 Dequest: 2000 Molecular Formula: N(CH2PO3H2)3 Molecular weight: 299.05 Structural Formula: ATMP has excellent chelation, low threshold inhibition and lattice distortion ability. It can prevent scale formation, calcium carbonate in particular, in water system. ATMP has good chemical stability and is hard to be hydrolyzed in water system. At high concentration, it has good corrosion inhibition. ATMP is used in industrial circulating cool water system and oilfield water pipeline in fields of thermal power plant and oil refinery plant. ATMP can decrease scale formation and inhibit corrosion of metal equipment and pipeline. ATMP can be used as chelating agent in woven and dyeing industries and as metal surface treatment agent. The solid state of ATMP is crystal powder, soluble in water, easily deliquescence, suitable for usage in winter and freezing districts. Because of its high purity, it can be used in woven & dyeing industries and as metal surface treatment agent. Information Source From http://www.thwater.net/01-ATMP.htm
It is Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)HEDP Synonyms: 1-Hydroxyethane-1,1-diphosphonic Acid;Etidronic acid;HEDP;HEDPA;Hydroxyethylidene-1,1-Diphosphonic Acid; Hydroxy Ethylidene-1,1-Diphosphonic Acid;1-Hydroxy Ethylidene-1,1-Diphosphonic Acid;1-Hydroxyethylidene diphosphonic Acid;1-hydroxy ethylene-1,1-diphosphonic acid;1-HYDROXYETHYLIDENEDI (PHOSPHONIC ACID);disodium (1-hydroxyethane-1,1-diyl)bis[hydrogen (phosphonate)];(1-hydroxyethane-1,1-diyl)bis(phosphonate);
ATMP (Amino Trimethylene Phosphonic Acid) (ATMP,ATMP.Na5,ATMP.Kx,ATMP.Na4) Equivalent to Dequest 2000 CAS No. 6419-19-8 ATMP has excellent chelation, low threshold inhibition and lattice distortion ability. It can prevent scale formation, calcium carbonate in particular, in water system. ATMP has good chemical stability and is hard to be hydrolyzed in water system. At high concentration, it has good corrosion inhibition. ATMP is used in industrial circulating cool water system and oilfield water pipeline in fields of thermal power plant and oil refinery plant. ATMP can decrease scale formation and inhibit corrosion of metal equipment and pipeline. ATMP can be used as chelating agent in woven and dyeing industries and as metal surface treatment agent. The solid state of ATMP is crystal powder, soluble in water, easily deliquescence, suitable for usage in winter and freezing districts. Because of its high purity, it can be used in woven & dyeing industries and as metal surface treatment agent. Specification: Appearance :colorless or light yellow transparent liquid White crystal powder Active acid: 48.0-52.0% 95 % min Chloride (as Cl-): 2.0(or1.0) % min 1.0 % min pH value (1ï¼…solution): 2.0 max 2.0 max Fe (as Fe3+) (ppm): 20 20 Density (20centigrade): 1.33 g/cm3 min - Colour APHA (Hazen): 40 max - Usage: ATMP is usually used together with organophosphoric acid, polycarboxylic acid and salt to built all organic alkaline water treatment agent. ATMP can be used in many different circulating cool water system. The dosage of 1-20mg/L is recommended. As corrosion inhibitor, the dosage of 20-60mg/L is preferred. Package and Storage: ATMP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in room shady and dry place. Shandong Taihe Water Treatment Co., Ltd.Xiwangzhuang town, Shizhong district, Zaozhuang city, Shandong Province, P. R. ChinaTel:+86-632-5113066 Fax:+86-632-5112055Contacted person: Eric Lee 86-15966754320 E-Mail: lee@thwater.net MSN: lee@thwater.net Website:http://www.watertreatmentchemical.ushttp://www.watertreatmentchemical.ruhttp://www.watertreatmentchemical.twhttp://www.watertreatmentchemical.hkhttp://www.watertreatmentchemical.inhttp://www.thwater.net
A chelator. Try Wikipedia for ATMP (Amino TriMethylene Phosphonic acid).
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