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BODHAINE, B. A. (2011)
Publisher: Co-Action Publishing
Journal: Tellus A
Languages: English
Types: Article
Experiments were undertaken in which 2 mm diameter water drops contaminated with NaCl and/or (NH4)2CO3 were allowed to fall through a cold environment and impinge on an ice target. Charge deposited on the target was measured as a function of environment temperature (0°C to ?30°C) and concentration of the solution (10?6 M to 10?2 M). Maximum negative charge of 2.04 esu/g was produced by 10?4 M NaCl at an environment temperature of ?20°C. Maximum positive charge of 2.79 esu/g was produced by 10?3 M (NH4)2CO3 at an environment temperature of ?30°C. It was possible to suppress and even reverse the usual negative charge of salt by mixing with ammonia, suggesting the possibility of modifying thunderstorm electricity. All solutions weaker than 10?5 M gave complictated waveforms with a net negative charge.DOI: 10.1111/j.2153-3490.1972.tb01573.x
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