Characterization of peak shape parameters with normal and derivative chromatograms

Jung, Ki Hwan; Yun, Sun Jin; Kang, Sung Hoon

doi:10.1021/ac00267a037

Anal. Chem.

1984

DOI: 10.1021/ac00267a037

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Characterization of peak shape parameters with normal and derivative chromatograms

Ki Hwan Jung¹,

Sun Jin Yun²,

Sung Hoon Kang³

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Cited by 6 publications

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References 22 publications

(26 reference statements)

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“…Here we demonstrate a reconstruction method of 1 D peaks using the exponentially modified Gaussian (EMG) model with the assist of the 1 D chromatogram obtained by PID 1. The EMG function, which begins with a Gaussian distribution and ends with an exponential decay, is widely used to analyze peaks in chromatography. − It can be defined as where t is the time. λ is the rate of an exponential decay.…”

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confidence: 99%

Fully Automated Portable Comprehensive 2-Dimensional Gas Chromatography Device

et al. 2016

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We developed a fully automated portable 2-dimensional (2-D) gas chromatography (GC x GC) device, which had a dimension of 60 cm × 50 cm × 10 cm and weight less than 5 kg. The device incorporated a micropreconcentrator/injector, commercial columns, micro-Deans switches, microthermal injectors, microphotoionization detectors, data acquisition cards, and power supplies, as well as computer control and user interface. It employed multiple channels (4 channels) in the second dimension (D) to increase the D separation time (up to 32 s) and henceD peak capacity. In addition, a nondestructive flow-through vapor detector was installed at the end of the D column to monitor the eluent fromD and assist in reconstructing D elution peaks. With the information obtained jointly from theD and D detectors,D elution peaks could be reconstructed with significantly improved D resolution. In this Article, we first discuss the details of the system operating principle and the algorithm to reconstructD elution peaks, followed by the description and characterization of each component. Finally, 2-D separation of 50 analytes, including alkane (C-C), alkene, alcohol, aldehyde, ketone, cycloalkane, and aromatic hydrocarbon, in 14 min is demonstrated, showing the peak capacity of 430-530 and the peak capacity production of 40-80/min.

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Fully Automated Portable Comprehensive 2-Dimensional Gas Chromatography Device

et al. 2016

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Improved algorithm for resolution of overlapped asymmetric chromatographic peaks

Youn

Yun

Jung

1992

Journal of Chromatography A

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Improved equations for the calculation of chromatographic figures of merit for ideal and skewed chromatographic peaks

Jeansonne¹,

Foley²

1992

Journal of Chromatography A

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Characterization of peak shape parameters with normal and derivative chromatograms

Cited by 6 publications

References 22 publications

Fully Automated Portable Comprehensive 2-Dimensional Gas Chromatography Device

Fully Automated Portable Comprehensive 2-Dimensional Gas Chromatography Device

Improved algorithm for resolution of overlapped asymmetric chromatographic peaks

Improved equations for the calculation of chromatographic figures of merit for ideal and skewed chromatographic peaks

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