SAMPLE-CONVEYING MECHANISM FOR SCINTILLATION COUNTING

摘要

A conveying mechanism for transporting a sample vial from an external loading platform into a light-tight counting chamber of a scintillation counter. The invention comprises a wall defining a counting chamber having an elongated passage, the wall having a shoulder, a sample platform, having a shaft coupled thereto to position the platform through the passage and into the counting chamber, and a sleeve movable about said shaft for engaging the shoulder to prevent external light from entering the counting chamber.