0.2 M Calcium Acetate, 0.1 M Sodium Acetate:Acetic Acid pH 4.5, 30% (v/v) PEG 400 Anatrace 貨號 MCSG2-40 100 ML
0.2 M sodium chloride, 0.1 M Na2HPO4:Citric acid pH 4.2, 20% (w/v) PEG 8000 Anatrace 貨號 SSC-43 100 ML