GS-320 7G is an old type of GS-320 HQ.
Sample :
Adenine, Adenosine, AMP, CMP, Cytidine, Cytosine, GMP, Guanine, Guanosine, Hypoxanthine
IMP, Inosine, Thymidine, Thymine, TMP, UMP, Uracil, Uridine
Columns : Shodex Asahipak GS-320 7G (7.6mmID*500mm), ODS column (6.0mmID*150mm)
Eluent : 10mM Sodium phosphate buffer(pH2.5 to 10)
Flow rate : 1.0mL/min (GS-320 7G), 0.6mL/min (ODS column)
Detector : UV(260nm)
Column temp. : 30°C