头孢专用液相色谱柱(头孢地嗪钠、头孢米诺钠)，柱长300×内径7.8 mm,填料直径5 μm, 孔径150 Å, PH 2-7.5

Special HPLC column for cephalosporin (cefazolin sodium, cefminox sodium), 300×7.8 mm, 5 μm, 150 Å, pH 2-7.5