A small container propelled pneumatically or hydraulically through a tube leading from the laboratory to a location in a nuclear reactor or other device where irradiation of a sample can take place.
Source:
PAC, 1982, 54, 1533
(Glossary of terms used in nuclear analytical chemistry (Provisional))
on page 1549
Transformed and rewritten from PDF version (entry
http://www.iupac.org/goldbook/R05023.pdf)
by: Miloslav Nic, Jiri Jirat, Bedrich Kosata, ICT Prague, Czech Republic