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HOME > Korean J Prev Med > Volume 22(4); 1989 > Article
Concentrations of lead, iron and zinc in blood of coal workers' pneumoconiosis patients.
Ho Chun Choi, Ho Keun Chung, Hae Jeong Kim
Journal of Preventive Medicine and Public Health 1989;22(4):486-494
DOI: https://doi.org/
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Institute od Occupational Diseases, Korea Labour Welfare Corporation, Korea.
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Abstract

Lead, iron, and zinc concentrations in whole blood were determined by atomic absorption spectrophotometry, using a simple one-step dilution procedure, which were measured in 3 groups, 98 officers unexposed to dust or to metal, 58 coal miners without pneumoconiosis, and 113 coal workers' pneumoconiosis (CWP) patients. The results were as follows; 1. The precisions (C. V.%) of lead, iron, and zinc in blood were 12.65+/-6.95%, 1.47+/-1.25% and 6.35+/-3.34%, respectively. 2. Lead and zinc in blood showed the log-normal distribution unlike iron in blood which showed normal distribution. 3. Lead, iron, and zinc concentrations in blood of 3 groups were follows. There was significant difference of concentration far zinc in blood by groups statistically. 4. The difference of lead, iron, and zinc concentrations in blood was not significant (p>0.05) by profusion on chest radiographs.

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