??c bi?t giá thành s? h?p lý, t?t nh?t trên th? tr??ng. M?i b?n tham kh?o thêm 1 s? m?u tem dán h?p nh?a m?i c?a IN24H.VN .Secondary fixation: To increase the contrast in the minute constructions inside the specimen and provides far more security, a secondary fixation is performed employing osmium tetroxide (OsO4).The 2nd anode (Anode 2) ac