PF Chrom Documentation

AIST Software Home

Chromatography Peak Modeling

Understanding PF Chrom’s Models
The Quest for a Universal Chromatographic Fit
Nonlinear Peak Fitting
Chromatographic Peaks

Generalized Models and ZDDs

Understanding PF Chrom’s Models
ZDD Concepts
Common Distortion Model
Building Generalized HVL and NLC Models
Generalized HVL Models
Generalized NLC Models
Equivalence GenHVL and GenNLC
Generalized TwoState HVL Models (Experimental)

Instrument Response Functions

IRF Concepts
IRF Determination
IRF Estimation – Standards
IRF Estimation – Fronted Peaks
IRF Estimation – Tailed Peaks
IRF Estimation – GC
IRF Model Fits

HPLC Gradient Peak Modeling

HPLC Gradient Peaks
HPLC Gradient Peaks – Direct Closed-Form Fits
HPLC Gradient Peaks – Fitting a Deconvolution Model
HPLC Gradient Peaks – Fitting the Unwound Data

Tutorials

Chromatography Peak Modeling (Tutorial)
Chromatographic Experiments (Tutorial)
IRF Deconvolution and Fitting (Tutorial)
HPLC Gradient Peaks – Direct Closed Form Fits (Tutorial)
HPLC Gradient Peaks – Fits Which Model the Gradient (Tutorial)
HPLC Gradient Peaks – Fitting Unwound Data (Tutorial)
Fitting Hidden Peaks (Tutorial)
HPLC Column Health and Overload (Tutorial)
Fitting Preparative (Overload) Peaks (Tutorial)
User Function Fitting – Experimental IRFs (Tutorial)
Two-State Experimental Models (Tutorial)

PF Chrom Software

PF Chrom General Operations

Main Data Window
Data Table Statistics
AIA net CDF File Information
Manage Saved Fits
File Menu
ASCII Editor
Weighting Data
PF Chrom Editor
Text Viewer
Copyright
Edit Menu
Help Menu
Import
Printing Text
Text Editor
Data Titles
Tool Bar

PF Chrom Data Preparation

Data Menu
View and Compare Data
Transform Data
Baseline
IRF Deconvolution
IRF Dialog
Fourier Domain Filtering
Interpolate/Upsample
Section Data
Smooth
View Function(X)

PF Chrom Fitting

Peaks Menu
Fitting Peaks Overview
Fit Local Maxima Peaks
Fit Hidden Peaks Residuals
Fit Hidden Peaks Second Derivative
ZDD Dialog
Fit Strategy
Graphical Fitting
Genetic Algorithm
Import Scan Parameter Estimates
Peak Popup
Common Parameters
Robust Fitting
Peak Fit Preferences
Model Experiment
Search for Optimum Model
Segment Fit
User-Defined Peaks
User Function Fitting – Experimental ZDDs

PF Chrom Fit Analysis

PF Chrom Review
Map Identification to Peaks
Deconvolution Levels
Numeric Summary
Deconvolved Moments
Map Experimental Process Variables
Explore
Residuals Graph
Export
Evaluation Procedure
Data Summary

PF Chrom Graphs

PF Chrom Graph
Array Layout
Printing Graphs
Graph Copy
Graph Save
MS Word Stream
Graph Scaling
Graph Scaling 3D
Graph View
Graph View 3D
Graph Point Format
Graph Point Format 3D
Graph Custom Titles
Graph Custom Titles 3D
Graph Colors
Graph Colors 3D
Modify Contour Properties
Modify Surface Properties
Specify Surface Modeling
Modify 3D Animation
Confidence and Prediction Intervals
Peak Labels

Appendix

PF Chrom Functions

Zero-Distortion Density Models

ZDD – Gen Default
ZDD – Gen2 Default
ZDD – [Z]
ZDD – [Y]
ZDD – [Q]
ZDD – [YpE]
ZDD – [Yp2]
ZDD – [Yp2E]
ZDD – [K]
ZDD – [T]
ZDD – [V]
ZDD – [E]
ZDD – [G]
ZDD – [S]
ZDD – [W]
ZDD – Giddings

Chromatography Peak Models

Chromatography Notes
Chromatography Functions
HVL (Full Range)
NLC (Full Range)
GenHVL
GenNLC
Gen2HVL
Gen2NLC
GenHVL[Z]
GenNLC[Z]
GenHVL[Y]
GenNLC[Y]
GenHVL[Yp]
GenHVL[YpE]
GenHVL[Yp2]
GenHVL[Yp2E]
GenHVL[Q]
GenHVL[V]
GenNLC[V]
GenHVL[T]
GenNLC[T]
GenHVL[E]
GenHVL[G]
GenHVL[K]
GenHVL[S]
GenHVL[W]
Gaussian
Giddings
EMG
GMG

Statistical Peak Models

Statistical Functions
Generalized Normal
LN4 Generalized Normal

Spectroscopy Peak Models

Spectroscopy Functions
Lorentzian
Voigt
Generalized Voigt
Pearson VII
Constrained Gaussian
Gamma Ray
Compton Edge

Miscellaneous Models

Convolutions Gaussian and Kinetic Decay
Transition Functions
Miscellaneous Peak Functions

Release Notes

Release Notes v5.00