Waters HPLC Diagnóstico Y Corrección De Anomalías página 11

Problem Bad Check Valve: Problem Bad Check Valve:
Chromatogram and Data Chromatogram and Data
0.06
0.04
0.02
0.00
0.020
0.010
0.000
0.06
0.04
0.02
0.00
0.00 0.50 1.00 1.50
•System Benchmarking data
•
Acetone Retention Area
Average 0.323 52245
%RSD 0.69
Naphthalene Retention Area
Average 1.633 155515
%RSD 0.44
Acenaphthene Retention Area
Average 2.893 101332
%RSD 0.44
•Good Check Valve
•Bad Check Valve
•Good Check Valve
2.00 2.50 3.00 3.50
Minutes
N=45
Plate
Tailing
Count
1.18 3144
Plate
Tailing
Count
1.13 11009
Plate
Tailing
Count
1.08 10436
7000.00
6500.00
6000.00
7000.00
6500.00
6000.00
7000.00
6500.00
4.00
6000.00
0.50 1.00
•Benchmarking data + 9 injections
Acetone
Average
%RSD
Naphthalene Retention
Average
%RSD
Acenaphthene Retention
Average
%RSD
•~6600 psi
•~6800 psi
•~6600 psi •~6600 psi
1.50 2.00 2.50 3.00
Minutes
• (after fix)N=54
Retention Area Tailing
0.323 50804 1.18
0.68
Area Tailing
1.631 153239 1.12
0.47
Area Tailing
2.893 99538 1.08
0.44
©2007 Waters Corporation
3.50 4.00
Plate
Count
3152
Plate
Count
10753
Plate
Count
10220
11