1. lt 1 mm 1 0 3 mm Ha 5 um 2 um PTFE 2 2. 8 mm 30 SS LE A 1716 1716 O D dm 50 50 4 0 uL min 5 3. PTFE BSA CERI RB Chemicals Evaluation and Research Institute Japan http www cerij OrJD e mail chromato ceri jDp TEL 0480 37 2601 FAX 0480 37 2521 345 0043 1600 2014710 4. 1 16 sd 1 16 0 D HH 3 4 0 3 mm 0 075 0 3 mm 0 02 0 075 mm nu ESI chip Nano spray etc L column Micro Analytical column 5 pH 5. Chemicals Evaluation and Research Institute Japan L column series L column 2 2 0