Chlorine that is present in water consists of two forms: combined and free. The latter performs the job of oxidizing contaminants and killing bacteria. When chlorine is added to water, it is added as free chlorine. Total chlorine is the sum of both free and combined chlorine. When free chlorine comes into contact with various forms of contaminants, the chlorine is transformed to combined chlorine, also known as chloramines.
Keith Emerson Recovering From Surgery If you havenât already done this â take a minute to stop by Keith Emersonâs Facebook page and leave a âget well soonâ message for him. In the 70âs, Emerson pioneered the use of synthesizers in prog rock, and heâs been blowing peopleâs minds with his keyboard work ever since.
3/14/2016 by Joe Lynch. Emerson, Lake & Palmer keyboardist Keith Emerson died last week (March 10) at age 71. Following the sad news, Santa Monica police confirmed Emerson died of a self-inflicted gunshot wound to the head, with his death being ruled a suicide.