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Selective Removal of Cu(II) Ions by Using Cation-exchange Resin ...
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WebStart with a mixture of warm, soapy water when cleaning silver coins. Put your solution and a small bit of sand into a watertight jar. Finally, drop the coins in, seal the lid, and shake it. … WebPolyethylenimine, Linear, MW 250,000 (PEI 250000)Catalog Number 24314. Linear polyethylenimine (PEI) is a high-charge cationic polymer that readily binds highly anionic … WebProperties. form. solid. Quality Level. 100. mol wt. average M n 10,000. mp. 48-53 °C. PDI. ≤1.3. storage temp. 2-8°C. InChI. 1S/C2H5N ... General description. Polyethylenimine … film computer extensions