Abstract
As a result of numerous experiments conducted at the New Jersey Agricultural Experiment Station, a new method of removing spray residues from fruit has been developed. By the addition of a textile wetting or degumming agent to a hydrochloric acid cleaning solution, it was found possible to economically and satisfactorily remove arsenical residues from New Jersey apples receiving 6 to 8 heavy applications of lead arsenate in cover sprays of which 1 to 4 contained oil emulsion. A heated cleaning solution was necessary only in one instance. Rapid and effective contact is established between the acid and lead arsenate by the use of wetting or degumming agents.
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