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The complexation of scandium(iii) by various polyaminopolycarboxylic ligands (DTPA and DOTA) was studied by capillary electrophoresis with ICP-MS detection in 0.1 mol L−1 NaCl ionic strength solutions at 25 °C.

confirmed the formation of the 1 : 1, 1 : 2 and 1 : 3 complexes for U(VI) and Am(III); the formation of the 1 : 1 and 1 : 2 complexes for Np(V) and the formation of only 1 complex for Pu(V). For each complex, the thermodynamic parameters (the Gibbs energy Δ r ( ), the molar entropy change Δ r ( ) and the molar enthalpy change Δ r ( 0 )) were fitted to the experimental data. The effect of the ionic medium was treated using the specific ion interaction theory and the thermodynamic parameters at zero ionic strength were compared to previously published data.

This paper summarises the mechanical construction and installation of the Tile Calorimeter for the ATLAS experiment at the Large Hadron Collider in CERN, Switzerland. The Tile Calorimeter is a sampling calorimeter using scintillator as the sensitive detector and steel as the absorber and covers the central region of the ATLAS experiment up to pseudorapidities ±1.7. The mechanical construction of the Tile Calorimeter occurred over a period of about 10 years beginning in 1995 with the completion of the Technical Design Report and ending in 2006 with the installation of the final module in the ATLAS cavern. During this period approximately 2600 metric tons of steel were transformed into a laminated structure to form the absorber of the sampling calorimeter. Following instrumentation and testing, which is described elsewhere, the modules were installed in the ATLAS cavern with a remarkable accuracy for a structure of this size and weight. KEYWORDS: Detector design and construction technologies and materials; Calorimeters JINST 8 T11001Contents 1 Introduction 1 2 Design overview 2 3 Submodule construction 9 4 Module production 12 4.1 Module construction 13 4.2 Girder ring insertion 15 4.3 Installation of fiducial marks 15 5 Calorimeter installation 16