Typical Values; To Check Tcd Performance - Agilent Technologies 7820A Service Manual

To check TCD Performance

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
Sensitivity Azobenzene area
counts
Malathion area counts 64
Agilent ChemStation — A STM 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
Att 2^ 7
Cht sp 1
Ar Rej 1000
Sensitivity Azobenzene area counts 34
Malathion area counts 64
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
SS/PP
34
Pk wd 0.04
Thresh 7
[Stop time
12.0]
SS/PP