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.
Rubidium is used as a getter in vacuum tubes because it combines with and removes trace gases. It is also a component in photocells and has been used in making special glasses. Rubidium has been considered for use in ion engines in space shuttles, because it can be easily ionized.Cesium, however, is more efficient.t is a soft, silvery-white metallic element in the alkali group. [See Periodic Table of the Elements ]. Rubidium is the second-most electropositive and alkaline element. As with other alkali metals, it forms amalgams with mercury and alloys with gold, cesium, sodium and potassium.