Peak splitting

What you expect

What you got

Disease Medicine
Contamination of column or guard Remove guard column. If the problem is solved replace it. If not go next
Plugged column Use adequate recovery procedure. If the problem persists go next
Plugged inlet frit Replace. If the problem persists discard column
Back enter the troubleshooter parlor
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Disease	Medicine
Contamination of column or guard	Remove guard column. If the problem is solved replace it. If not go next
Plugged column	Use adequate recovery procedure. If the problem persists go next
Plugged inlet frit	Replace. If the problem persists discard column

Send comments to:
Prof. Dr. H.J. Chaves das Neves
Department of Chemistry
Faculdade de Ciências e Tecnologia
Universidade Nova de Lisboa
2825 Monte da Caparica
Portugal

hcn@dq.fct.unl.pt