Water Treatment High Quality HEDP Cas 2809-21-4

Water Treatment High Quality HEDP Cas 2809-21-4

  • Water Treatment High Quality HEDP Cas 2809-21-4
Model No.: HEDP
Min. Order: 1 Metric Ton
Payment Type: L/C,T/T
Transportation: Ocean
Packaging: 25kg PE drum,250kg PE drum or 1000L IBC
Delivery Time: 15 Days
Place of Origin: CHINA
Brand: GEMHOLD

Product Description

Water Treatment High Quality HEDP 2809-21-4


Properties of HEDP: HEDP is an organic phosphonic acid corrosion inhibitor, can dissociate into five positive and negative ions in the water, can chelate Divalent metal ions in the water, and iron, copper, aluminum, zinc and other metal ions forming a stable complex, has a good scale effect.


Specification of HEDP    Standard HG/T3537-1999

Appearance

Clear, Colorless to pale yellow aqueous solution

Clear, Colorless to pale yellow aqueous solution

White crystal powder

Active content (HEDP)%

50.0

60.0

90.0

Phosphorous acid (as PO33-)%)

2.0

2.0

0.80

Phosphoric acid  (asPO43- )% ≤

0.8

0.8

0.50

Chloride (as Cl-)% ≤

0.01

0.01

0.10

pH (1% solution) ≤

2.0

2.0

2.0

Density  (20°C)g/cm3 ≥

1.34

1.40

--

Chelating valuemg/g

450

500

 

Fe2+,mg/L≤

10.0

10.0

5.0

Active content(HEDP·H2O)% ≤

--

--

98.0

HEDP 

 Usage of HEDP:

1. HEDP is used as scale and corrosion inhibition in circulating cool water system,

2. oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..

3. In light woven industry, HEDP is used as detergent for metal and nonmetal.

4. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;



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