Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Detector response during capillary rinsing procedure. Time series at excitation of (A) 20 kHz, (B) 80 kHz, (C) 155 kHz. (D) Nyquist plots represent a spectrum of each rinsed solution. Annotations: 1—100 mM NaOH, 2—distilled water, 3—50 mM ascorbic acid. Fused silica capillary used: 50 µm I.D., 365 µm O.D., 58 cm Ltot, 46 cm Leff. Sweep: 20–190 kHz frequency, 3.3 Vpp amplitude.
