Abstract
To clarify the influence of water bath temperature on the decompression and concentration efficiency of a rotary evaporator, accurate control of the water bath temperature is required. Therefore, the water bath temperature control system of a rotary evaporator was studied using the recovery rate of phthalate esters (PAEs) as the indicator. The results showed that when the temperature of the rotary evaporator was set at 40°C, the actual temperature range of the concentrated liquid would change from 26–41 to 39–41°C. By modifying the water bath temperature control system, the recovery rate of PAEs could be increased from 72.4% to 85.6% to 93.2%–98.5%. This test indicates that temperature has a great influence on vacuum concentration, and the recovery rate of PAEs can be improved by modifying the water bath temperature control system used in the rotary evaporator.
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Acknowledgements
This work was supported by the foundation of the Special Project of Key Industries Common Key Technology Innovation in Chongqing, China (Grant No. cstc2015zdcy0010). The authors would like to express their gratitude to Ms. Tingting Ren of Chongqing Academy of Metrology and Quality Inspection for English language proofreading, and Anika B. Newell, from Liwen Bianji, Edanz Group China (http://www.liwenbianji.cn/ac), for editing the English text of a draft of this manuscript.
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Wang, L., Liu, Y., Pu, F. et al. Effect of Rotary Evaporator Water Bath Temperature on Recovery Rate of Phthalate Esters. Bull Environ Contam Toxicol 101, 810–813 (2018). https://doi.org/10.1007/s00128-018-2440-3
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DOI: https://doi.org/10.1007/s00128-018-2440-3