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
When you are writing, you may reference other people writing or refer to books, magazines, or movies by underlining, or italicize, the titles or using quotation marks. The question, when do you underline and when do you use quotation marks? Below is a listing of types of titles you would underline or put in quotation marks. Underline or Italics â¢ Title of a book â¢ Name of a magazine â¢ Name of a newspaper â¢ Title of a play â¢ Title of a film â¢ Name of an encyclopedia â¢ Title of a pamphlet