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DTPA 5NA
Organic Acid
Purity% ≥ 50.0
Chloride(Cl)% ≤ 0.01
Sulfate(SO4)% ≤0.01
Metal chelate(Pb)% ≤ 0.005
Iron(Fe)% ≤ 0.005
Chelate value(mgCaCO3/g) ≥100
Specific gravity(25℃ g/ml): 1.30-1.34
PH(1% solution) 10-13
Appearance Yellow or light yellow transparent liquid
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DTPA ACID
Organic Acid
Purity% ≥ 99.0
Chloride(Cl)% ≤ 0.01
Sulfate(SO4)% ≤ 0.05
Metal chelate(Pb)% ≤ 0.001
Iron(Fe)% ≤ 0.001
Loss on drying% ≤ 0.2
Chelate value(PH=11):mgCaCO3/g ≥252
PH(1% solution) 2.1-2.5
Sodium carbonate dissolved test Qualified
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EDTA 2NA
Organic Acid
Content% ≥99.0%
Chloride( Cl)% ≤ 0.005 %
Sulfate(SO4)% ≤ 0.03 %
Metal chelate(Pb)% ≤ 0.001 %
Iron(Fe)% ≤ 0.001 %
Chelate: mgCaCO3/g 267 min
pH Value 4.0-5.0
NTA% ≤1.0
Bulk density kg/m3 850-1050
Clarity testing Pass
Appearance white crystal powder
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EDTA 4NA
Organic Acid
Content % ≥99.0
Chloride(Cl)% ≤ 0.01 %
Sulfate(SO4)% ≤ 0.05 %
Metal chelate(Pb)% ≤ 0.001 %
Iron(Fe)% ≤ 0.001 %
Chelate: mgCaCO3/g 220 min
pH Value(10g/L,25℃) 10.5-11.5
NTA% ≤1.0
Bulk density kg/m3 700-950
Appearance white crystal powder
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EDTA ACID
Organic Acid
Content%, ≥99.0%
Chloride(Cl)%, ≤ 0.01%
Sulfate(SO4)%, ≤ 0.03%
Metal chelate(Pb)%, ≤ 0.001%
Iron(Fe)%, ≤ 0.001%
Dry and loss(103-107℃)%, ≤ 0.2%
Chelate : mgCaCO3/g, 339 min
NTA% , ≤ 0.1%
Appearance, White crystal powder
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Glyoxal 40%
Pharmaceutical Intermediates
Appearance , Colorless transparent liquid
Chromaticity(Pt-Co), 10#
Glyoxal, 40.21%
Formic acid, 0.12%
Glycol, 1.25%
Formaldehyde, 450PPM
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glyoxylic acid
Pharmaceutical Intermediates
Appearance Conform
Glyoxylic Acid 50.18%
Oxalic Acid 0.83%
Nitric Acid None Detected
Glyoxal 0.21%
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