dispenser
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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)