| 摘要 |
An automated chemical synthesizer includes a reaction vessel and a collection vessel. A passage block in which the passage is formed and which is provided between the reaction vessel and the collection vessel when the collection vessel is connected to the reaction vessel in a collection position. The passage includes a discharging hole and a connecting hole which is provided to correspond to the collection vessel. The collection vessel contacts the passage block around the connecting hole. The passage block includes upper and lower plates. A lower portion of the connecting hole formed in the lower plate has a size such that a top portion of the collection vessel fits into the lower portion. An upper portion of the connecting hole formed in the upper plate has a size such that a top portion of the collection vessel contacts the upper plate around the upper portion.
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