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 xaaqimada (400 mm xaaqimada, E 100 mm CH3COONa, 20 mm EDTA, pH hagaajiyay 7,0 la NaOH, ka dibna geddigood la 0,22 micrometer)