High pressure stopped‐flow apparatus for the rapid mixing and subsequent study of two fluids under high hydrostatic pressures
作者:
Daniel M. Karan,
Robert I. Macey,
期刊:
Review of Scientific Instruments
(AIP Available online 1980)
卷期:
Volume 51,
issue 8
页码: 1042-1045
ISSN:0034-6748
年代: 1980
DOI:10.1063/1.1136377
出版商: AIP
数据来源: AIP
摘要:
A stopped‐flow apparatus is described for the rapid mixing and subsequent study of two dissimilar fluids under pressures up to 1200 bar. The device consists of two identical pressure chambers which contain the two fluids, a third pressure chamber which contains gas to maintain the pressure in the system, an optical port for photometric observation, and various connections. The device has been used to measure reaction times on the order of a hundred milliseconds to tens of seconds, using a maximum of 2 ml of each reagent per experimental determination. The dead time is found to be 5–25 ms with minium average flow velocities of 2.0 m/s. The construction and operation of the device are described and examples of water transport data in red blood cells and the bromophenolblue indicated chemical reaction of NaHCO3and HCl under pressure are presented.
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