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Specification ----DTPA ACIDChemical name:Diethylenetriaminepentaacetic acid (DTPA) Molecular formula:C14H23N3O10Molecular weight:393.35CAS No:67-43-6Specification:Appearance:White crystal powderContent Percent99.0 minPH(1 Percent solution, 25?):2.1-2.5Heavy metal as Pb Percent0.001 maxIron(Fe) Percent0.001 maxChloride(Cl) Percent:0.01 maxSulfate (SO4) Percent:0.05 maxChelated: mgCaCO3/g252 min (PH=11)Loss on drying:0.2 maxCharacteristics:White crystalline granules, soluble in hot water and lye, slightly soluble in water, solubility in water (20?) 5 g / l, and do not dissolve in organic solvents such as alcohols and ethers. Melting point: 230?(decomposition)
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