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Ethylenediaminetetraacetic acid

Ethylenediaminetetraacetic acid
Product Description

Ethylenediaminetetraacetic acid (EDTA)

Typical specification

EDTA-2Na (C10H14N2O8Na2•2H2O)

 Item

 Standard

 Appearance

White crystalline powder 

Content, %

99min

Chloride (Cl), %

0.01max

Sulfate  (SO4), %

0.1max

Iron (Fe), %

0.005max

Heavy metal (Pb), %

0.005max

 PH value (1% soluiton)

 4.0-5.0

 EDTA-4Na (C10H12N2O8Na4•4H2O)

 Item

 Standard

 Appearance

White crystalline powder 

Content, %

99min

Chloride (Cl), %

0.01max

Chelate value, mgCaCO3/g

219min

Iron (Fe), %

0.001max

Heavy metal (Pb), %

0.001max

 PH value (1% solution)

 10.5-11.5



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