Industrial Grade Weak Base Anion Resin TA301D For Organics Removal

TA301D anion resin is a macroreticular weak base anion exchange resin.
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Product Details

TA301D Anion resin is a macroporous polystyrenic weak base anion resin having tertiary amine functionality. Anion resin is designed to exhibit high operating capacity in removing strong acids formed after decationizing water through a strong acid cation resin like TC008H. Because of its special porosity characteristics. TA301D Anion resin shows excellent properties for removal of naturally occurring organic species from waters along with superior elution efficiency of the organics during regeneration.

Anion resin also shows excellent resistance to osmotic shock as well as being physically resistant to mechanical breakage. Regeneration with caustic soda requires only 125% of the stoichiometric equivalent when related to the ionic loading on the resin at the exhaustion point. The rinse characteristics are good and minimum volumes of decationized water are required to rinse down to a conductivity of 50 µS/cm.

Anion resin 1


Physical form

Tan opaque spherical beads


Styrene divinylbenzene copolymer

Functional group

Tertiary amine : at least 85 %

Ionic form as shipped

Free base (FB)

Total exchange capacity

≥ 1.25 eq/L (FB form)


57 to 63 % (FB form)

Shipping weight

670 g/L

Specific gravity

1.040 to 1.060 (FB form)

Particle size


Reversible swelling

FB → Cl- ≤ 15 %

Maximum operating temperature

60 °C

Minimum bed depth

700 mm

Service flow rate

5 to 40 BV*/h


TA301D anion resin is suitable for industrial uses. For all other specific applications such as pharmaceutical, food processing or potable water applications, it is recommended that all potential users seek advice from Rohm and Haas in order to determine the best resin choice and optimum operating conditions.


anion resin

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