title: [Characteristics in frequency domain by inductively coupled plasma atomic emission spectrometry with charge injection detection].
abstract: The characteristics of two-dimension spectra obtained by inductively coupled plasma atomic emission spectrometry (ICP-AES) with charge injection detection (CID) in frequency domain were studied in the present paper. The measurement spectra were Fourier transformed and the frequency distribution of the spectra was obtained. Results showed that the spectra in frequency domain could be divided into two parts: high frequency and low frequency signals. The later stood for measurement spectra and the former for background and noises. However, the high frequency signals could not be smoothed simply to reduce noises because the background was deteriorated even though the spectral signal did not change significantly.
authors.affiliation: Faculty of Chemistry, Northeast Normal University, 130024 Changchun.
authors.forename: Z
authors.initials: Z
authors.lastname: Zhang
authors.forename: Q
authors.initials: Q
authors.lastname: Jia
authors.forename: L
authors.initials: L
authors.lastname: Guo
authors.forename: S
authors.initials: S
authors.lastname: Liu
authors.forename: H
authors.initials: H
authors.lastname: Chen
authors.forename: X
authors.initials: X
authors.lastname: Zeng
mesh_terms: D013058:Mass Spectrometry / Q000379:methods*; D012815:Signal Processing, Computer-Assisted; D013054:Spectrophotometry, Atomic; D013057:Spectrum Analysis / Q000379:methods*