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  4. Numerical data analysis/visualization Peak analysis software PeakFit (Hulinks Co., Ltd.)

Numerical data analysis/visualization Peak analysis software PeakFit
Hulinks Co., Ltd.

About This Product

■Automatically place hidden peaks

PeakFit separates multiple overlapping peaks using a nonlinear least squares method using a rich set of built-in peak functions and calculates peak positions, areas, widths, etc. It also includes a Gaussian function that corresponds to tailing seen in chromatographs, etc. Baselines can be polynomials, exponentials, logarithms, or hyperbolas. In regression analysis, setting initial values ​​is a very important and time-consuming task, but with PeakFit, not only this initial value setting is done almost automatically, but you can also check the initial theoretical curve on the graph, so you can proceed with the analysis with confidence. Furthermore, if you want to change the initial values, you can do so visually by just using the mouse on the graph, and adding or deleting peaks, changing the intensity, etc. is easy. PeakFit doesn't miss the small peaks hidden behind the big peaks. As shown in the figure, four peaks can be automatically recognized and separated. Even a PeakFit beginner can complete a 14 asymmetric overlapping peak analysis in 5 minutes, from data input to output. With graphs updated in real time, you can proceed with your analysis while checking the characteristics of each peak.

■Smoothing function

By selecting radio buttons, you can perform smoothing using FFT Filtering, Gaussian convolution, Savitzky-Golay method, and Loess algorithm.

■Second order differential, fourth order differential

Simply select “Inspect 2nd Derivative…” from the menu to obtain the second derivative and use this result for peak analysis.

■Automatic initial value setting

PeakFit has three types of automatic initial value setting functions using residuals, quadratic derivatives, and deconvolution, making it easy to set initial values ​​for Gaussian curves. Select from the menu as shown.

■Output and export options

・Output all generated data to file: Lotus 123, Excel, Quattro Pro Windows, SigmaPlot, ASCII ・Output the graph to the clipboard or to a BMP or WMF format file ・All numerical data in the graph to the clipboard in spreadsheet format

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    Numerical data analysis/visualization Peak analysis software PeakFit

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1 Models of Numerical data analysis/visualization Peak analysis software PeakFit

Image Part Number Price (excluding tax) Operating environment CPU Operating environment HDD Operating environment OS Operating environment RAM

PeakFit 4.11

Available upon quote

Pentium or equivalent compatible processor or higher

10MB or more

Windows 95/98/NT4/2000/XP/Vista/7/8.x/10

32 MB or more recommended

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About Company Handling This Product

Hulinks Co., Ltd.

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Hulinks Co., Ltd.

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