Unstable baseline affects 2695 RI results - WKB246285
Article number: 246285
SYMPTOMS
- Unstable baseline cause results to shift slightly with each injection
ENVIRONMENT
- Alliance 2695
- 2414 Refractive Index Detector
- GPC
- THF
CAUSE
Unstabilized THF was poured from new bottle into mobile phase reservoir bottle, causing peroxides to form.
FIX or WORKAROUND
- Use THF in its original container as the reservoir bottle.
- If unable to use the original container, clean the reservoir bottle between fillings.
ADDITIONAL INFORMATION
id246285, 2414, 2414B, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, A-10RI, A-10SSM, A-30RI, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB, eluent, EMPGPC, GPCV2K, UPRI, UPRIARC