Ghost peaks observed with UPLC - WKB200626
Article number: 200626
ENVIRONMENT
- ACQUITY UPLC Sample Manager - Flow Through Needle PLUS (SM-FTN PLUS)
- ACQUITY APC Sample Manager - FTN
- ACQUITY Arc Sample Manager FTN-R
- ACQUITY UPLC Sample Manager
ANSWER
Ghost peaks refer to peaks of unknown origin that are not included in the sample.
The main possible causes are as follows.
From the instrument: Needle, solvent filter, solvent tube
From the solvent: mobile phase, sample solvent
Other: Vials, septums, columns, solvent bottles
To determine the cause of the ghost peak, follow the check method described in the URL below.
Carryover, ghost peak countermeasures
https://www.waters.com/waters/suppor...6&locale=ja_JP(This page is avaiable in Japanese only)
ADDITIONAL INFORMATION
id200626, A-30SM, eluent, UPARBSMFTN, UPARHSMFTN, UPARPFTN, UPARSMFTN, UPISMFTN, UPPFTN, UPSMFTN, UPSMFTN+