At the end of the column they elute one at a time. During the entire chromatography process the eluent is collected in a series of fractions. Fractions can be collected automatically by means of fraction collectors. The productivity of chromatography can be increased by running several columns at a time.
dash - the act of moving with great haste; he made a dash for the door bolt rush, rushing, haste, hurry - the act of moving hurriedly and in a careless manner; in his haste to leave he forgot his book
Jumplines at the top of a column indicate where the article is continued from, as in continued from page 16. Designing with Jumplines. To keep the jumplines from being read as part of the article, they need to contrast with the body text yet be kept fairly unobtrusive.