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.
Keith Emerson (1944 â 2016) We regret to announce that Keith Emerson died during the night of 10th/11th March 2016 at his home in Santa Monica, California, aged 71. Greg Lake and Carl Palmer have made personal statements (see below).