- U -
Undecane, 2330, Guide
128
Uranium
hexafluoride, fissile containing more than 1% Uranium-235, 2977, Guide 166
Uranium
hexafluoride, fissile excepted, 2978, Guide 166
Uranium
hexafluoride, low specific activity, 2978, Guide 166
Uranium
hexafluoride, non-fissile, 2978, Guide 166
Uranium
metal, pyrophoric, 2979, Guide 162
Uranyl acetate, 9180, Guide
162
Uranyl nitrate,
hexahydrate, solution, 2980, Guide 162
Uranyl nitrate, solid, 2981, Guide
162
Urea hydrogen
peroxide, 1511, Guide 140
Urea nitrate, wetted with not less
than 20% water, 1357, Guide 113
Urea peroxide, 1511, Guide
140