Chromatographic Checkout 6
Operation Manual 67
To Check NPD Performance
1 Gather the following:
• Evaluation column, HP- 5 30 m × 0.32 mm × 0.25 µm
(19091J- 413)
• NPD performance evaluation (checkout) sample
(18789- 60060)
• 4- mL solvent and waste bottles or equivalent for
autoinjector.
• Chromatographic- grade isooctane
• 2- mL sample vials or equivalent for sample.
• Inlet and injector hardware (See “To Prepare for
Chromatographic Checkout.”)
2 Verify the following:
• Capillary column jet installed. If not, select and install
a capillary column jet.
• Capillary column adapter installed. If not, install it.
• Chromatographic- grade gases plumbed and configured:
helium as carrier gas, nitrogen, hydrogen, and air.
• Empty waste vials loaded in sample turret.
• 4- mL vial with diffusion cap filled with isooctane 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 If present, remove any protective caps from the inlet
manifold vents.
5 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.)
• Be sure to configure the column
6 Create or load a method with the parameter values listed
in Table 6.
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