Adjust the retentionwindow ( the red
horizontal linewhich appears ) so that
it is centered on the peak. Adjust the
width of the retentionwindow so it is
just a littlewider than the peak.
Grab themiddle of theH-bar with your
mouse tomove thewindow side to
side, or grab the vertical ends to nar-
row or widen thewindow.
Double click on the retentionwindow
or right click then select Edit Compo-
nent. This brings up theComponent
Details screen shown at right.
Give each peak a different peak number.
Fill in the peak’s name.
For the tricaprin and butanetriol internal
standard peaks
ONLY
, enter the concen-
tration in the stock solution. This is how
PeakSimple knows the concentration of
the internal standards.
Enter the units you prefer to calibrate in
( ppm or percent ).
Note: onemillion
ppm=100%, 100,000ppm=10%,
10,000ppm=1%, 1000ppm=.1%,
100ppm=.01%, 10ppm=.001%,
1ppm=.0001%.
Select the largest peak only radio button
soPeakSimple finds the largest peak in
thewindow as tricaprin, not a small noise
peak
PerformingASTM6584 freeand total glycerin in
BioDiesel usinganSRI GasChromatograph
andPeakSimple software version3.67
Don’t fill inany of theother fields in this screenat
this time
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