122 (TypeⅡ) Phenolic aldehyde series weakly acidic cation exchange resin
详细说明
1. Description
This is a kind 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:
Items | Specification |
Matrix | Phenolic aldehyde |
Appearance | Orange to brown spherical particle |
Functional group | -COOH |
Total exchange capacity (mmol/g) (dry) | ≥4.0（H） |
Particle size range (%) (0.315-1.25mm) | ≥95 |
Water retention (%) | 60 - 80 |
True wet density (g/ml) | 1.05 - 1.15 |
Apparent wet density（g/ml） | 0.70 - 0.80 |
Physical strength (%) | ------- |
Total reversible swelling（%） | H → Na ≤55.2 |
Ionic form as shipped | H+ |
3.Recommended Operating Parameters:
Items | Parameters |
Operating pH-range | 5 - 14 |
Maximum operating temperature (°C) | 120 |
Working flow rate (m/h) | 10 - 30 |
Concentration 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.
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