Chromatographic peak widening and trailing
All tube connectors are fine
Cleaning Xevo TQ-S and replacing FTN needle and seat do not fix problem
Column preheater tube is partially blocked.
FIX or WORKAROUND
If the column preheater tube is bent, smooth the tube.
The peak should return to normal.
id82149, UPIBSM, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, XEVOTQS, XEVOTQSIVD, XEVTQSMIVD