1 Recently, lead intoxication has been treated with the organic complexing agent, ethylene diamine tetra-acetic acid (EDTA), ¶ and reports from several investigators 4–9 have been encouraging.

They presented the cell tech in “Ethylenediamine vapors-assisted surface passivation of perovskite films for efficient inverted solar cells,” which was recently published in RRL Solar.

Douglas, B. E., and Erdman, W. C., Abstracts of papers presented at the meeting of the American Chemical Society, Chicago, Ill., September 1958. Popplewell, D. S ...