dispenser

https://doi.org/10.1351/goldbook.D01792
A device used to deliver a measured amount of material.
See: sampler
Source:
PAC, 1989, 61, 1657. 'Nomenclature for automated and mechanised analysis (Recommendations 1989)' on page 1661 (https://doi.org/10.1351/pac198961091657)