test condition of alkali durability: eluent : 10 mm phosphate buffer (ph12)/ch3cn=45/55flow rate : 0.6 ml/mincolumn temp. : 30 ℃
sample : 5 μl1. pyridine 200 mg/l2. phenol 430 mg/l* tpn before flowing alkali eluent is set as 100% in this test.
column : shodex odp2 hp-4d (4.6 mm i.d. x 150 mm)
ods(a) from other manufacturer (4.6 mm i.d. x 150 mm)
eluent : h2o/ch3oh=70/30
flow rate : 1.0 ml/min
detector : uv (254 nm)
column temp. : 40 ℃
