S400 Macroporous Iminodiacetic Chelating Resin

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S400 Macroporous Iminodiacetic Chelating Resin
Posting date : Jul 31, 2011
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29-
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S400 Macroporous Iminodiacetic Chelating Resin 1. Description S400 chelating ion-exchange resin is cross-linked polystyrene copolymer structure, the introduction of iminodiacetic acid functional group of the weak acid macroporous cation exchange resin, The selectivity of metal ions similar to EDTA, to remove it from the aqueous solution of divalent cations in order of preference is as follows: Cu2+﹥VO2+﹥UO22+﹥Pb2+﹥Ni2+﹥Zn2+﹥Cd2+﹥Fe2+﹥Be2+﹥Mn2+﹥Ca2+﹥Mg2+﹥Sr2+﹥Ba2+﹥Na+ Can be seen from the previous, S400 chelating resin demonstrated two divalent metal ions with high selectivity and high affinity. At the same time have been exchanged divalent metal ions in the low PH of the solution is easy to desorption (regeneration) so that chelation group restore exchange adsorption capabilities. This product is equivalent to the United States: Amberlite IRC-748; Lewatit TP 207/208; 2.Typical Physical and Chemical Properties: ①Polymer Matrix Structure:Crosslinked Polystyrene Divinylbenzene ②Physical Form and Appearance:Opaque spherical beads ③Functional Groups:iminodiacetic acid-based ④Ionic Form ,as shipped:Na+ ⑤Total Capacity, H + form, wet, volumetric:≥1.0eq/l min ⑥Moisture Retention, Na+ form:50-60% ⑦Particle Size Range:0.3mm-1.2mm ⑧<0.3mm (max.):1% ⑨Uniformity Coefficient (max.):1.6 ⑩effective size:0.4-0.7mm ⑾Shipping Weight (approx.):710 -750g/l ⑿Specific Gravity, moist Na+ Form:1.14 ⒀pH Range, Stability:H+ form 1- 6 Na+ form 6-12 ⒁Maximum Temperature:Na + Form 70oC (158oF) 3.Applications 1, selective removal of ions (including the transition element ion) 2, the recovery of heavy metals from electroplating wastewater 3, removal of metal contaminants in solution 4, hydrometallurgy and extraction of heavy metal concentration in solution 5, removal of heavy metals in groundwater

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