[P3143-500ML] Poly(ethyleneimine) solution analytical standard, 50 % (w/v) in H₂O 558,910원
[P3143-1L] Poly(ethyleneimine) solution analytical standard, 50 % (w/v) in H₂O 739,640원
[P3143-100ML] Poly(ethyleneimine) solution analytical standard, 50 % (w/v) in H₂O 167,310원