rabbit

https://doi.org/10.1351/goldbook.R05023
A small container propelled pneumatically or hydraulically through a tube leading from the laboratory to a location in a @N04239@ or other device where @I03255@ of a sample can take place.
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1549 [Terms] [Paper]