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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International archives of occupational and environmental health 41 (1978), S. 125-138 
    ISSN: 1432-1246
    Keywords: Amylphenol ; Biological monitoring ; Butylcatechol ; Butylphenol ; Isopropylcatechol ; Methylcatechol ; Nonylphenol ; Octylphenol ; Phenylphenol ; Urinalysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary GLC systems are developed for quantitative urinalysis of leucodermogenic phenols and catechols, i. e., p-tert.-butylphenol, p-tert. Amyphenol, p-octylphenol, p- and o-phenylphenol, 3- and 4-methylcatechol, 3-isopropylcatechol, and 4-tert.-butylcatechol. The systems were successfully applied for the exposure assessment of the workers in factories producing p-tert.-butylphenol, p-octylphenol and/or 4-tert.-butylcatechol. In accordance with estimated exposure intensities, the concentrations in the urine of product packers were higher than those of plant operators and engineers. The levels were reduced by the improvement of hygienic conditions in the workshops. Importance of biological monitoring is discussed in relation with the possible skin penetration. From the data obtained, BP concentration in urine, 2 μg/ml, is tentatively proposed as a urinary biological threshold limit value to prevent leucodermogenic effect.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International archives of occupational and environmental health 39 (1977), S. 219-235 
    ISSN: 1432-1246
    Keywords: Anaemia ; Aromatic nitro-amino compounds ; Diazo-positive urinary metabolites ; Heinz bodies ; Hepatotoxicity ; Methemoglobinaemia ; Methemoglobin reductases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Health status of the workers in dye-producing plants were examined repeatedly in winter and in summer. The items studied cover 1) diazo-positive metabolites in urine 2) methemoglobinaemia, Heinz bodies, methemoglobin reductases and anaemia, and 3) liver function. The urinary diazo-positive metabolite level in the exposed was higher than that in the non-exposed and marked a conspicuous increase in summer as compared in winter, indicating significant intake of the aromatic nitro-amino compounds, while no significant methemoglobinaemia, Heinz bodies, anaemia nor disturbed liver function was observed in any group of the examinees. The results were discussed in connection with the dose-effect relationship, and compared with the experiences in the past.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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