欧美贵妇videos办公室,呦系列视频一区二区三区,偷国产乱人伦偷精品视频,777片理伦片在线观看

Products Details

Current Location:Products

122 (TypeⅡ) Phenolic aldehyde series weakly acidic cation exchange resin

    詳細(xì)說明

    1.  Description

    This is a kind of cation exchange resin which has carboxylic acid groups [-COOH] in the phenolic aldehyde copolymer.  

    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

    Shipping Weight (approx.)

    0.70 - 0.80

    Physical strength (%)

    ------- 

    Total reversible swelling(%)

    H → Na ≤55.2

    Ionic form as shipped

    H+

    3. 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.