本文
No.1(2006)16.A New Automatic Evaporation System for Fallout Measurement
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Masaaki Saito, Norio Kato
A continuous evaporation system was developed. Sample water was continuously supplied to rotary evaporator with a tube pump. The tube pump was controlled by a water level sensor placed in a sample flask. A condenser was turned upside down, and droplets of water were continuously removed by an aspirator. The merits of the system are as follows,:
- labor saving, with continuous day and night unmanned operation,
- no generation of water vapor in a room,
- very safe, with only 60℃ heating temperature,
- 20L of sample water per day can be evaporated.
Keywords
automatic evaporator, rain, fallout, environmental radioactivity