Phenolic aldehyde series weak acid cation resin

122 (TypeⅡ) Phenolic aldehyde series weakly acidic cation exchange resin 1. Description This is a kingd of cation exchange resin which has carboxylic acid groups [-COOH] in the phenolic aldehyde copolymer. This product is analogous to: Duolite S-300 2.

Typical Physical and Chemical Properties: ①Matrix：Phenolic aldehyde ②Appearance：Orange to brown spherical particle ③Functional group： -COOH ④Total exchange capacity (mmol/g)(dry)：≥4.0（H） ⑤Particle size range (%)：(0.315-1.25mm)≥95 ⑥Water retention (%)：60 - 80 ⑦True wet density (g/ml)：1.05 - 1.15 ⑧Apparent wet density（g/ml）： 0.70 - 0.80 ⑨Total reversible swelling（%）H → Na：≤55.2 ⑩ionic form as shipped: H+ 3.

Recommended Operating Parameters: ①Operating pH-range:5 - 14 ②Maximum operating temperature (°C):120 ③Working flow rate (m/h):10 - 30 ④Concentration of regenerant (%):HCl: 3 - 5 ; NaOH: 3 - 5 4. Applications: It is mainly used in decolorization of streptomycin, colomycin, terramycin, acheomycin and other antibiotics.

It is also used in decolorization and purification of amino acid, monosodium glutamate and sugar, reclamation of vitamin B12.