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.
The Beatles were always eager to try practically anything in their quest for new and different sounds. John Lennon's use of a Hohner Pianet N electric piano on The Night Before being a good early example. A Hohner Pianet would also later be used on songs such as I Am The Walrus and Revolution. The Mellotron flutes on Strawberry Fields Forever is another classic example of their use of emerging keyboard technology, as was their use of the Moog IIIP synthesizer that can be heard on Abbey Road.