Poor ACQUITY chromatography, late RTs, poor peak shape - WKB230901

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Article number: 230901

SYMPTOMS

Poor chromatography, late RTs, poor peak shape
Reproducibility test failure, high %RSD

ENVIRONMENT

ACQUITY

CAUSE

Preheater is fitted but disabled.

FIX or WORKAROUND

Enable preheater.

ADDITIONAL INFORMATION

id230901, UPIBSM, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO