Technical data

24 Understanding Your Agilent ChemStation
1 Agilent ChemStation Features
About the ChemStation Software
The Extended Performance style adds plots of each individual peak graphically
showing the peak start and stop times, half width and baseline. This style
includes the following parameters in addition to the ones reported by the
standard Performance reports:
• area, height and amount,
• skew,
• excess,
• usp tailing factor,
• time interval between data points and number of data points over the peak,
• statistical moments (M0 to M4),
• peak width at half height calculated by the true, five sigma, tangent and
tailing methods, and
• plate/column and plates/meter calculated by the peak width at half height,
five sigma, tangent and statistical methods.
Users may define their own noise evaluation ranges and acceptable limits for
these performance criteria. Values lying outside the user-defined acceptable
limits are indicated on the report.
For more information on system suitability calculations, see “Evaluating
System Suitability” on page 231.
Sequence Summary Reports
Sequence summary reports are produced at the end of a series of automated
analyses. Their range of application is from a brief summary of the samples
analyzed to a detailed graphical repeatability or trend analysis of
user-selectable parameters between different samples, analyzed by the same
method.
For more information on sequence summary reporting, see the online help
system and “Sequence Summary Reporting” on page 226.
Customized Reports
A customized reporting design view is included in the ChemStation for users
who want to define the exact content of their own reports. The user
graphically defines a report layout which may include general sample
information, signal, integration and quantitative analytical result information.
The user may define individual elements, such as text, tables and graphics,