EE 20x መወልወያ (400 mM መወልወያ, ኢ 100 mM CH3COONa, 20 mM EDTA, ማስተካከያ ፒኤች 7,0 NaOH ጋር, ከዚያ ጋር የተጣሩ 0,22 ማይክሮሜትር)
EE 20x MOPS (400 mMn MOPS, E 100 mMn CH3COONa, 20 mMn EDTA, pH oluhlaziyiweyo 7,0 ne NaOH, ke yabonakala nge 0,22 micrometer)