62 Operation Manual
6 Chromatographic Checkout
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
• 2- mL sample vials or equivalent for sample
• Chromatographic- grade helium as carrier, makeup, and
reference gas
• Inlet and injector hardware (See “To Prepare for
Chromatographic Checkout.”)
2 Verify the following:
• Chromatographic- grade gases plumbed and configured:
helium as carrier gas and reference gas.
• Empty waste vials loaded in sample turret.
• 4- mL solvent vial with diffusion cap filled with hexane
and inserted in Solvent A injector position.
3 Replace consumable parts (liner, septum, traps, syringe,
and so forth) as needed for the checkout. See “To Prepare
for Chromatographic Checkout.”
4 Install the evaluation column. (See the procedure for the
SS, PP, COC, MMI, or PTV in the Maintenance manual.)
• Bake out the evaluation column for at least 30 min at
180 °C. (See the procedure for the SS, PP, COC, MMI,
or PTV in the Maintenance manual.)
• Configure the column
5 Create or load a method with the parameter values listed
in Table 5.
Table 5 TCD Checkout Conditions
Column and sample
Type HP-5, 30 m × 0.32 mm × 0.25 µm
(19091J-413)
Sample FID/TCD checkout 18710-60170
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