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.
Erbium was discovered by Carl G. Mosander in 1842 at Sweden. Origin of name: named after the village of  Ytterby  near Vaxholm in Sweden. In 1842 Gustav Mosander separated yttria, found in the mineral gadolinite, into three fractions which he called yttria, erbia, and terbia.