Search for Fractional Charges in Water
David C. Joyce, Peter C. Abrams, Roger W. Bland, Robert T. Johnson, Michael A. Lindgren, Maureen H. Savage, Marion H. Scholz, Betty Young, C. Hodges · Physical Review Letters · 1983
Results are presented from a search for fractional charges in water from a variety of natural sources. About 30 000 water drops have been measured, comprising 51 \ensuremath{\mu}g of water and dissolved materials. No evidence for fractional charge was seen.