Precisive measurement for parameter of chromatography spike and area of overlapped peak
A technique for chromatographic peaks and overlapping peaks, which is used in the field of accurate determination of chromatographic peak shape parameters and overlapping peak areas, and can solve problems such as difficulty in obtaining accurate peak areas of overlapping components.
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[0051] 1. Determine the retention time of six volatile organic compounds ethylbenzene, cumene, mesitylene, p-cymene, n-butylbenzene, and naphthalene at 80β, and analyze the corresponding conditions by chromatographic peak automatic curve fitting method Ο, Ο parameters, integrate the fitting peak to get the half-width parameter W H / 2 , The parameters are listed in Table 1. Ο, Ο and W of the six volatile organic compounds at 80β H / 2The relationship between parameters and retention time is shown in the attachment figure 2 .
[0052] Compound
tr, mm
Ο, sec
Ο, sec
W H / 2 , Sec
Paraisopropyl toluene
N-Butylbenzene
11.783
15.192
18.612
24.847
29.579
62.232
1.33
1.76
2.18
2.98
3.56
7.23
0.72
0.78
0.89
1.24
1.58
4.70
3.44
4.44
5.46
7.48
8.98
19.20
[0053] 2. Automatic analysis of two overlapping...
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- IPC
- G01N30/86
- Inventors
- θε ΄δΊ; ζ’ι«ζ·Ό