Mon, 15 Sep 2008 13:52:48 +0000. I'm sick of the supermarket coleslaw that my local Sainsbury's sells, so I've started to make my own. Just a simple finely sliced cabbage, onion, carrot affair with a squeeze of lemon and spoonful of mayonnaise (Hellmans - I don't think I can be really bothered making my own mayonnaise).
Erbium's everyday uses are varied. It is commonly used as a photographic filter, and because of its resilience it is useful as a metallurgical additive. Other uses: 1  Used in nuclear technology in neutron-absorbing control rods. 2  When added to vanadium as an alloy, erbium lowers hardness and improves workability.rbium is a chemical element in the lanthanide series, with symbol Er and atomic number 68.
Applications. Radium is used in luminous paint (in the form of radium bromide). Radium and beryllium were once used as a portable source of neutrons. Radium is used in medicine to produce radon gas, used for cancer treatment.adium is silvery, lustrous, soft, intensely radioactive. It readily oxidizes on exposure to air, turning from almost pure white to black. Radium is luminescent, corrodes in water to form radium hydroxide. Although is the heaviest member of the alkaline-earth group it is the most volatile.