Change on separation- Loss of resolution

What you expect

What you got

Disease Medicine
Leak Contamination of the mobile phase
Prepare a new one
Obstructed guard or column Go here
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Disease	Medicine
Leak	Contamination of the mobile phase Prepare a new one
Obstructed guard or column	Go here

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