Impurities are excluded from the growing crystals and the pure solid crystals can be separated from the dissolved impurities by filtration. This simplified scientific description of crystallization does not give a realistic picture of how the process is accomplished in the laboratory.
San Diego County is a county located in the southwestern corner of the state of California, in the United States. As of the 2010 census, the population was 3,095,313. making it the second-most populous county in California and the fifth-most populous in the United States. Its county seat is San Diego, the eighth-most populous city in the United States.
1 SAN DIEGO COUNTY LIBRARY (Operating income: $38,584,850; Location: 5555 OVERLAND AVE., BUILDING 15; 1,185,903 books; 1,414 e-books; 127,056 audio materials; 102,569 video materials; 37 local licensed databases; 5,533 print serial subscriptions; 6 electronic serial subscriptions).