To Check Uecd Performance - Agilent Technologies 7820A Service Manual

>>Set DATE and TIME<<
Zero
Att^2
Cht sp
Ar Rej
Sensitivity
Discrimination

To Check uECD Performance

Agilent 7820 GC Service
145
output, Range 0)
10
7
1
1000
C , C , C area counts 525000
C /C area ratio
1 Gather the following:
 Evaluation column, HP-5 30 m — 0.32 mm — 0.25 µm
(19091J-413)

uECD performance evaluation (checkout) sample
(18713-60040, Japan: 5183-0379)

4-mL solvent and waste bottles or equivalent for
autoinjector

Chromatographic-grade isooctane

2-mL sample vials or equivalent for sample
Verify the following:

Clean fused silica indented mixing liner installed. If not,
install it.

Chromatographic-grade gases plumbed and configured:
helium as carrier, nitrogen as makeup. (Nitrogen is an
acceptable alternate carrier gas.)

Empty waste vials loaded in sample turret.

4-mL vial with diffusion cap filled with hexane and inserted
in Solvent A injector position.
Install the evaluation column. (See the procedure for the SS or
PP in the Maintenance manual.)

Bake out the evaluation column for at least 30 minutes at
Pk wd
Thresh
Stop time
SS
1.00 +/- 0.10
0.04
5
8.75
PP
460000
1.00 +/- 0.10