Table 3.

Detail runs of fractional factorial design and the responses.

Run	A: DGF (L/min)	B: NP (psi)	C: VT (°C)	D:CV (V)	E:SLF (µL/min)	F: DGT (°C)	S/N(avg)	Peak area(avg)
1	2	5	300	3500	20	150	99.	6.2×105
2	2	5	200	1500	5	150	82	1.0×106
3	2	20	300	1500	5	150	41	2.8×105
4	10	20	300	1500	20	150	56	2.8×105
5	10	5	200	1500	20	150	48	4.5×105
6	2	20	200	3500	20	150	74	7.3×105
7	10	20	300	3500	20	200	34	1.9×105
8	10	5	300	1500	5	200	n.a.a)	n.a.a)
9	10	20	200	1500	5	200	18	3.1×105
10	10	5	200	3500	20	200	24	2.8×105
11	10	5	300	3500	5	150	n.a.a)	n.a.a)
12	2	20	300	3500	5	200	24	2.2×105
13	2	5	200	3500	5	200	56	4.9×105
14	2	5	300	1500	20	200	60	5.2×105
15	2	20	200	1500	20	200	83	9.9×105
16	10	20	200	3500	5	150	27	1.4×105
17	6	12.5	250	2500	12.5	175	80	2.4×105
18	6	12.5	250	2500	12.5	175	74	3.0×105
19	6	12.5	250	2500	12.5	175	68	2.9×105
20	6	12.5	250	2500	12.5	175	73	2.8×105
21	6	12.5	250	2500	12.5	175	72	2.7×105
22	6	12.5	250	2500	12.5	175	76	2.9×105

^a)Data not available duo to ionization problem.