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Polyethyleneimine, M.W. M.W. 70,000 30% (w/v) in aqueous solution, branched
 :  Thermo Fisher Scientific
 
Polyethyleneimine, M.W. M.W. 70,000 30% (w/v) in aqueous solution, branched
 :  Thermo Fisher Scientific
 
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Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC

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Polyethyleneimine, M.W. ∼ 60,000 50% (w/w) in aqueous solution

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