Abstract: Compounds of the formula I [LnMmXp]ZYq  (1) are claimed, where L is a ligand of the formula II and the individual symbols have the meanings defined in the description. The metal complexes are suitable as bleaching catalysts in detergents, cleaners and disinfectants which comprise peroxy compounds.

Abstract: A holding device for a hand-operated shower head contains a body, which is e.g. constructed as a slide for a wall rod and is held in longitudinally slidable manner on the wall rod. In its front it contains an adjusting screw for adjusting the force with which a brake mechanism acts on the wall rod. A reception element is articulated to the body so as to be pivotable about an axis upstream of the wall rod. The reception element receives part of the handle of a shower head, so as to fix the latter. The shower head can be pivoted in such a way that the median axis of the cone nut inserted in the receptacle is moved in a plane in which the longitudinal axis of the wall rod is also located.