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  Products

Product:

D755 diglycolamidic acid chelating resin

Product pictures:

Introduction:

Short name D755 chelating resin,structure formula:Similar to the selectivity of metal ions on EDTA, selectivity order: Hg> Cu> Pb> Ni> Cd> Zn> Co> Mn> Ca> Mn> Ca> Mg> Ba> Sr> Na

Physicochemical property indicators:

Indicator

Parameter

Implement stnadard:

Q/DL027-2008

Resin matrix :

Macroporous benzene - divinylbenzene copolymer spheres

Chelating functional genes :

iminodiacetic acid base{-CH2N-(CH2NCOONa)2}

Appearance:

Light yellow transparent spherical particles

Finished form:

Na

Wet density :

0.70~0.80g/m

Wet density (20℃):

1.10~1.20

Particle diameter range:

0.30~1.20mm

Valid particle diameter:

0.35~0.55mm

Uniformity coefficient :

1.7

Moisture content:

50~62%

Reference of indicator:

Indicator

Parameter

Swelling degree :

<25%

Exchange capacity :

CU2+Dynamic method ≥0.6mmolml-R-Na

Ph value:

Refined secondary brine 9.0 ± 0.5, for the recovery of metal ions vary

Stability:

On the pH, organic solvents and stability requirements for refined secondary brine is no free chlorine when

Volume change :

In water:R-H/R-Na=0.75

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