样有含乙二胺四乙酸的4Na

PRODUCT NAME: EDTA tetrasodium salt; Na4EDTA ; CAS NO.:[13236-36-4] EMPIRICAL FORMULA :C10H12N2O8Na4.4H2O MOL. WT.:452.2 Physical properties : Na4EDTA is a dry, white crystalline powder and appears alkali in water, it is soluble in water and insoluble in alcohols . WATER-INSOLUBLE:≤0.1% CHLORIDES (Cl):Not more than 0.005% (50 ppm). SUlPHATE (SO4)%:Not more than0.1% IRON% (Fe):Not more than 0.001% (10ppm) CHELATE VALUE (CaCo3/g):200—215 HEAVY METAL(LEAD):Not more than 0.001% (10 ppm) Torrefaction weightlessness :Not more than0.01% PH (1% w/v Solution):10.5to 11.5 PURITY (ASSAY):Minimum 99.0% PACKING:Packed in complex bag with plastic inner,25KG net per bag . Application:As one chelating agent ,it can be used in industrial cleaning, personaland household uses, Bleaching of pulp and textile, Micronutrients for agriculture, Photo processing, Printing ink manufacturing , Food, Polymer processing and Metal plating etc .It also used in water treatment ,SBR rubber, color sensitization ect. By wayof additive, active agent ,clarifier,metalremover.