This contract involves supplying the ITU with industrial and scientific gases:

lot 1: supply of liquid nitrogen;

lot 2: supply of liquid helium;

lot 3: supply of scientific/industrial gases in bottles and lots (batches);

lot 4: supply of liquid argon.

Supply of nitrogen for the operation of 2 nitrogen-treatment systems used for ventilating gloveboxes and hot cells. The nitrogen supplied must be in liquid form with a purity level of: 99,999 %.

Approximately 800 000 kg per year.

Supply of liquid helium in 100/240-litre containers. Supply frequency: twice a week.

Approximately 17 000 litres per year.

Supply of industrial and special gases in 2-, 5-, 10- or 50-litre gas bottles and in batches for the ITU's scientific laboratory, per year:

— argon and methane mixture: 90 % argon, 10 % methane, approximately 10 batches,

— helium 4.6, approximately 10 batches,

— hydrogen 3.0, approximately 90 batches,

— varigon, neon, O2, H2, N2, xenon, acetylene and various mixtures of scientific gases with calibration certificate, as required.

Supply of liquid argon 5.0. Supply frequency: as required.

approximately 85 000 kg per year.