Amalgam (chemistry) The aluminium is the ultimate electron donor, and the mercury serves to mediate the electron transfer. The reaction itself and the waste from it contain mercury, so special safety precautions and disposal methods are needed. As an environmentally friendlier alternative, hydrides or other reducing agents can often be used to accomplish the same synthetic result. Another environmentally friendly alternative is an alloy of aluminium and gallium which similarly renders the aluminium more reactive by preventing it from forming an oxide layer. Tin amalgam was used in the middle of the 19th century as a reflective mirror coating. A variety of
You Can't Always Get What You Want You Can't Always Get What You Want "You Can't Always Get What You Want" is a song by the Rolling Stones on their 1969 album "Let It Bleed". Written by Mick Jagger and Keith Richards, it was named as the 100th greatest song of all time by "Rolling Stone" magazine in its 2004 list of the "500 Greatest Songs of All Time". Jagger commented on the song's beginnings: "You Can't Always Get What You Want" was the first song recorded for the album. It exists in two versions, a 5:00 single mix and a 7:28 album mix. "You Can't Always