Assay properties – INFICON Explorer Portable Gas Chromatograph User Manual

Page 184

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Method Development

182

7.

Filter 1

provides the most filtering with the signal being averaged over the

longest period before the slope is calculated.

Filter 4

provides the most

versatility; the signal is analyzed simultaneously by four different filters.
The filter with the highest filtering is used to detect the start of each peak. Once
a peak is detected, 0, 1, 2, or 3 of the other filters (depending on the Filter
selected) will operate on the same data until they detect integration stop points.

8. The displayed chromatogram will be automatically re-integrated using the new

settings.

Assay Properties

Assay properties provide access to the features that complete the development of an
assay. These properties will be set as part of your assay. You will only need to
change these parameters if you are creating your own assay.

Assay Notes

Assay notes are displayed when you open an assay. The notes allow you to enter a
brief description of the assay. Normally you will list the intended application. You
can also add any warnings or limitations of usage as required.

Serial Number

Assays are normally created for a single instrument. Although method information
may be transferred from one instrument to another, variations in retention time and
response may result in lower sensitivity or compound misidentification.

Assays are created for specific instruments. When you have created an assay you
can link the assay to a specific instrument. This information will be saved as part of
the assay. If you attempt to download the assay to a different instrument, a warning
message will be displayed.

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