Table 1.

CID efficiencies of fibrinopeptide A (2+) and neurotensin 3+ inside the segmented quadrupole (SQ)

	Segmented quadrupole			Conductance limit orifice
V	Ec	Ef	ECID	V	Ec	Ef	ECID
fibrinopeptide A 2+
74	0.75	0.37	0.27	44	0.10	0.37	0.04
78	0.74	0.47	0.35	50	0.08	0.67	0.05
80	0.73	0.55	0.40	54	0.07	0.84	0.06
84	0.67	0.64	0.43	60	0.10	0.96	0.09
90	0.62	0.84	0.52	64	0.08	0.98	0.08
94	0.64	0.92	0.59	70	0.09	1.00	0.09
100	0.63	0.97	0.61
110	0.60	1.00	0.60
neurotensin 3+
80	0.64	0.94	0.60	60	0.02	0.94	0.02

V: collision voltage gradient, V/mm; E_c: collection efficiency; E_f: fragmentation efficiency; E_CID: CID efficiency.