Do the same thing for the other internal stan-
dard peak, Butanetriol.
Make sure to use a different peak number.
Enter the concentration in the stock solution
(1000ppm )
Then do the same thing for the 4 remaining
peaks, Glycerin ( the free glycerin ), mono-
lien, diolien and triolien.
Use a different number for each peak.
Glycerol is the same thing as glycerin, you
can use either name.
Do
NOT
enter a number in the Internal Stan-
dard box, because this peak is
NOT
an inter-
nal standard peak.
Enter the peak number of theButanetriol in-
ternal standard. This is howPeakSimple
knows to useButanetriol as the internal stan-
dard for Glycerol.
Do the same thing for themonolien, diolien
and triolien peaksEXCEPT use the peak
number of tricaprin ( 4 ) since tricaprin is the
internal standard formono, di and triolien.
PerformingASTM6584 freeand total glycerin in
BioDiesel usinganSRI GasChromatograph
andPeakSimple software version3.67
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