Division Items of the NSG technologyF1

Electromagnetic isotope separators designed for, or equipped with, single or multiple ion sources capable of providing a total ion beam current of 50 mA or greater.

Note:

1B226 includes separators:

Tritium facilities or plants, and equipment therefor, as follows:

1. a..

   Facilities or plants for the production, recovery, extraction, concentration, or handling of tritium;

2. b..

   Equipment for tritium facilities or plants, as follows:

   1. 1..

      Hydrogen or helium refrigeration units capable of cooling to 23 K (– 250 °C) or less, with heat removal capacity greater than 150 W;

   2. 2..

      Hydrogen isotope storage or hydrogen isotope purification systems using metal hydrides as the storage or purification medium.

Lithium isotope separation facilities or plants, and equipment therefor, as follows:

1. a..

   Facilities or plants for the separation of lithium isotopes;

2. b..

   Equipment for the separation of lithium isotopes, as follows:

   1. 1..

      Packed liquid-liquid exchange columns specially designed for lithium amalgams;

   2. 2..

      Mercury or lithium amalgam pumps;

   3. 3..

      Lithium amalgam electrolysis cells;

   4. 4..

      Evaporators for concentrated lithium hydroxide solution.

Materials as follows:

Technical Note:

These materials are typically used for nuclear heat sources.

1. b..

   ‘Previously separated’ neptunium-237 in any form.

Note:

Lithium enriched in the lithium-6 ( ⁶ Li) isotope to greater than its natural isotopic abundance, and products or devices containing enriched lithium, as follows: elemental lithium, alloys, compounds, mixtures containing lithium, manufactures thereof, waste or scrap of any of the foregoing.

Note:

Technical Note:

The natural isotopic abundance of lithium-6 is approximately 6,5 weight per cent (7,5 atom per cent).

Tritium, tritium compounds, mixtures containing tritium in which the ratio of tritium to hydrogen atoms exceeds 1 part in 1 000, and products or devices containing any of the foregoing.

Note:

Switching devices, as follows:

1. a..

   Cold-cathode tubes, whether gas filled or not, operating similarly to a spark gap, having all of the following characteristics:

   1. 1..

      Containing three or more electrodes;

   2. 2..

      Anode peak voltage rating of 2,5 kV or more;

   3. 3..

      Anode peak current rating of 100 A or more; and

   4. 4..

      Anode delay time of 10 μs or less;

   Note:

   F23A228.a. includes gas krytron tubes and vacuum sprytron tubes.

2. b..

   Triggered spark-gaps having both of the following characteristics:

   1. 1..

      An anode delay time of 15 μs or less; and

   2. 2..

      Rated for a peak current of 500 A or more;

Neutron generator systems, including tubes, having both of the following characteristics:

1. a..

   Designed for operation without an external vacuum system; and

2. b..

   Utilizing electrostatic acceleration to induce a tritium-deuterium nuclear reaction.

Cameras and components, other than those specified in 6A003, as follows:

1. a..

   Mechanical rotating mirror streak cameras, as follows, and specially designed components therefor:

   1. 1..

      Streak cameras with writing speeds greater than 0,5 mm per microsecond;

2. b..

   Mechanical rotating mirror framing cameras, as follows, and specially designed components therefor:

   1. 1..

      Framing cameras with recording rates greater than 225 000 frames per second;

Note:

Velocity interferometers for measuring velocities exceeding 1 km/s during time intervals of less than 10 microseconds.

Note:

Pressure sensors, as follows:

1. a..

   Shock pressure gauges capable of measuring pressures greater than 10 GPa, including gauges made with manganin, ytterbium, and polyvinylidene fluoride (PVDF)/polyvinyl difluoride (PVF ₂ );

2. b..

   Quartz pressure transducers for pressures greater than 10 GPa.