Agilent Technologies 7820A

140
Agilent 7820 GC Service
Typical values
The following are typical values for the detector results. The
results for a detector depend on site preparation related factors.
These are not pass/fail criteria.
Agilent ChemStation
SS/PP
Sensitivity
Azobenzene area
counts
34
Malathion area counts
64
Agilent ChemStation — ASTM noise
Measured with GC isothermal @ 100°C
10 minute blank run, noise range(s) >1 minute
Performance + noise report
NPD ASTM noise ≤ 0.85 pA
3396B or 3396C or 3397A integrator sample conditions with
analog input [GC Analog output, Range 0]
>>Set DATE and TIME<<
Zero
10
Pk wd
0.04
Att 2^
7
Thresh
7
Cht sp
1
[Stop time
12.0]
Ar Rej
1000
SS/PP
Sensitivity
Azobenzene area counts
34
Malathion area counts
64
To check TCD Performance
1 Gather the following:
 Evaluation column, HP-5 30 m — 0.32 mm — 0.25 µm
(19091J-413)
 FID/TCD performance evaluation (checkout) sample
(18710-60170)
 4-mL solvent and waste bottles or equivalent for
autoinjector
 Chromatographic-grade hexane