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.
The district takes in southern coastal San Diego County, including part of San Diego Bay and coastal San Diego. It takes in a variety of communities ranging from beachfront properties to universities to a military base to Downtown San Diego, stretching from Solana Beach to the MexicoâUnited States border.he district takes in southern coastal San Diego County, including part of San Diego Bay and coastal San Diego. It takes in a variety of communities ranging from beachfront properties to universities to a military base to Downtown San Diego, stretching from Solana Beach to the MexicoâUnited States border.