Bakker-Grunwald T
Biochim Biophys Acta. 1978 Nov 2;513(2):292-5. doi: 10.1016/0005-2736(78)90181-5.
Potassium self-exchange in ascites cells was partially suppressed when chloride in the incubation medium was replaced by bromide, and completely abolished in iodide-, nitrate- or sulfate-containing saline. Thus, it appears that potassium self-exchange activity is anion-dependent.