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EDTA Disodium

Type:Others

CAS No:139-33-3

Qty in 20' FCL:22MT

Min. Order:500KG

QC:Haccp,Kosher,Halal,Iso

Product Details

  Ethylenediaminetetraacetic acid, widely abbreviated as EDTA, is an aminopolycarboxylic acid and a colourless, water-soluble solid. Its conjugate base is named ethylenediaminetetraacetate. It is widely used to dissolve limescale. Its usefulness arises because of its role as a hexadentate (“six-toothed”) ligand and chelating agent, i.e. its ability to “sequester” metal ions such as Ca2+ and Fe3+. After being bound by EDTA, metal ions remain in solution but exhibit diminished reactivity. EDTA is produced as several salts, notably disodium EDTA and calcium disodium EDTA.

Product specifications

ITEM

STANDARD

Appearance

White crystalline powder

Identification

Pass test

Assay (C10H14N2Na2O8.2H2O)

99.0% ~ 101.0%

Chloride (Cl)

=< 0.01%

Sulphate (SO4)

=< 0.1%

pH (1%)

4.0- 5.0

Nitrilotriacetic acid

=< 0.1%

Calcium (Ca)

Negative

Ferrum (Fe)

=< 10 mg/kg

Lead (Pb)

=< 5 mg/kg

Arsenic (As)

=< 3 mg/kg

Mercury (Hg)

=< 1 mg/kg

Heavy metals (as Pb)

=< 10 mg/kg

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1日本語対応の製品包装 (相談可能)
2顧客から紹介した運送会社を利用できます。
3入荷検査シート(あり)
4プライバシーポリシー規則(あり)
5テストを受けるサービス (提供可能)
6アフターサービス (あり)
7クレーム重視



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