Lead in sweat and its relationship to salivary and urinary levels in normal healthy subjects

Sweat was collected from the arms of 24 normal healthy subjects while they sat in a hot chamber. Blood, urine and saliva samples were also collected. These were analyzed for lead by atomic absorption spectrophotometry. Sweat lead levels recorded in this study are lower than those previously reported...

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Bibliographic Details
Published in:The Science of the total environment 1991-04, Vol.103 (2), p.113-122
Main Authors: Omokhodion, F.O., Crockford, G.W.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Calcium - analysis
Chemical and industrial products toxicology. Toxic occupational diseases
Humans
Lead - analysis
Lead - blood
Lead - urine
Male
Medical sciences
Metals and various inorganic compounds
Potassium - analysis
Reference Values
Saliva - chemistry
Sodium - analysis
Spectrophotometry, Atomic - methods
Sweat - chemistry
Toxicology
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Summary:Sweat was collected from the arms of 24 normal healthy subjects while they sat in a hot chamber. Blood, urine and saliva samples were also collected. These were analyzed for lead by atomic absorption spectrophotometry. Sweat lead levels recorded in this study are lower than those previously reported. Subjects with mean blood lead levels of 8.62 μg dl (range 6–13.6) had mean sweat levels of 5.2 μgl −1 (range 1.5–13.0). ≈25% of thier urinary levels. Although salivary lead levels with a mean of 4.8 μgl −1 (range 2.5–10) are comparable to sweat levels, their relationship to blood lead levels is poor ( r = −0.186 compared with r values of 0.7208 and 0.234 for sweat and urinary levels, respectively).
ISSN:0048-9697
1879-1026
DOI:10.1016/0048-9697(91)90137-4