CG 6890N PEAKS

[carlosmvc71]

Hi

every timer i performance a blank run, a peak apears betwin 4 and 5 minuts

My device is a agilent 6890n, whit a TCD and PPI

How i can do to resolve this problem?

[dblux_]

Hi

every timer i performance a blank run, a peak apears betwin 4 and 5 minuts

My device is a agilent 6890n, whit a TCD and PPI

How i can do to resolve this problem?

What do you mean by blank run? No injection or solvent injection ?

[AICMM]

Column? Valves? Carrier? The more you tell the more helpful people can be.

Best regards,

AICMM

[carlosmvc71]

thanks

Colunns: Packed columns 10 ft mesh 45/60 stainless steel
10 port valco valve whit Gas Sampling with Backflush to Detector configuration
PPI inlet
Carrier gas Hellium

The chroma was off by more tan year

The TCD is a new element