A flow-through electrode unit for measurement of particulate atmospheric nitrate
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 100 (1188) , 157-162
- https://doi.org/10.1039/an9750000157
Abstract
The design and performance of a flow-through electrode unit for use in the measurement of particulate atmospheric nitrate is described. The unit, housing ion-selective nitrate indicator and fluoride reference electrodes, provides temperature control (± 0·5 °C), a sensitive regulation of solution content (44 ± 1·5 ml) and optimum liquid circulation, while minimising liquid volume. Preliminary tests conducted at 38·5 ± 0·5 °C indicate that the unit behaves as an ideal well stirred vessel with a time constant τ=V/Q.Keywords
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