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Clinical Chemistry 11: 1-9, 1965;
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Clinical Chemistry, Vol 11, 1-9, Copyright © 1965 by the American Association for Clinical Chemistry

Rapid Determination of Lead in Urine by Ion Exchange

Donald T. Forman 1 and James E. Garvin 2

1 Department of Pathology, Evanston Hospital, Evanston, and the Department of Biochemistry, Northwestern University Medical School. Chicago 11, III.
2 Department of Pathology, Evanston Hospital, Evanston, and the Department of Biochemistry, Northwestern University Medical School. Chicago 11, Ill.

For routine screening of employees in the lead industry, a method for determination of urinary lead was developed in which this element is removed from urine by means of a chelating agent, eluted, and determined by a modified dithizone method. The method gives values which are about 5% below those obtained by the wet ashing technic, with a precision of ± 2.1% in the range of 2-15 µg. of lead per 50 ml. urine sample. The advantages of the method are that it requires only about 1 hr. to carry out, is convenient, and avoids the time-consuming and potentially hazardous wet ashing step.

Submitted on September 17, 1963
Accepted on March 24, 1964






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Copyright © 1965 by the American Association for Clinical Chemistry.