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Chloride( Cl)% 0.005 % max Sulfate(SO4)% 0.03 % max Metal chelate(Pb)% 0.001 % max Iron(Fe)% 0.001 % max Chelate: mgCaCO3/g 267 min pH Value 4.0-5.0 NTA% 1.0 max Bulk density kg/m3 850-1050

Content % 99.0min Chloride(Cl)% 0.01max Sulfate(SO4)% 0.05max Metal chelate(Pb)% 0.001max Iron(Fe)% 0.001max Chelate: mgCaCO3/g 220 min pH Value(10g/L,25℃) 10.5-11.5 NTA% 1.0max Bulk density kg/m3 700-950 Appearance white crystal powder

Content% 99.0%min Chloride(Cl)% 0.01%max Sulfate(SO4)% 0.03%max Metal chelate(Pb)% 0.001%max Iron(Fe)% 0.001%max Dry and loss(103-107℃)% 0.2%max Chelate : mgCaCO3/g 339 min NTA% 1.0%max Appearance White crystal powder

Molecular Fomula: C10H12N2O8ZnNa2•2H2O Molecular weight: M=435.63 EDTA-ZNNA purity % 96.5min Chelated zinc Purity % 14.5-15.5 PH value 6.0-7.0 Water insoluble matter 0.1max Appearance White powder

EDTA-CUNA purity(433.7) %  99.0min Chelated copper % 14.5-15.5 PH value 6.0-7.0 Water insoluble matter % 0.1max Apperance blue crystal powder Molecular Fomula: C10H12N2O8CuNa2•2H2O

Fe  purity % 13.0min EDTA purity % 65.5-70.5 PH 3.8-6.0 Water insoluble matter 0.1max Appearance Brownish yellow or light yellow clean powder Molecular Fomula: C10H12N2O8FeNa•3H2O

Molecular Fomula: C10H12N2O8CaNa2•2H2O EDTA-CANA  purity %  92min Calcium chelate purity% 9.5-10.5 Water insoluble matter % 0.1max Apperance White powder

Molecular Fomula: C10H12N2O8MgNa2•2H2O Molecular weight: M=394.55 EDTA-MGNA  purity % 94.5MIN Magnesium Chelate % 5.5-6.5 PH value 6.0-7.5 Water insoluble matter 0.1MAX Appearance White crystalline particles

Molecular Fomula: C10H12N2O8MnNa2•4H2O Molecular weight: M= 389.13 Chelate Mn % 12.5-13.5 Heavy metal(as Pb) % 0.002max PH value 6.0-7.0 Appearance White to slightly pinkish powder