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1978•Occupational and Environmental MedicineOpen access

Determination of urinary manganese by the direct chelation-extraction method and flameless atomic absorption spectrophotometry.

Tsutomu Watanabe, Rikio Tokunaga, T. Iwahana, M. Tati, Masahiko Ikeda

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Abstract

The direct chelation-extraction method, originally developed by Hessel (1968) for blood lead analysis, has been successfully applied to urinalysis for manganese. The analyses of 35 urine samples containing up to 100 microgram/1 of manganese from manganese-exposed workers showed that the data obtained by this method agree well with those by wet digestion-flame atomic absorption spectrophotometry and also by flameless atomic absorption spectrophotometry.

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The direct chelation-extraction method, originally developed by Hessel (1968) for blood lead analysis, has been successfully applied to urinalysis for manganese. The analyses of 35 urine samples containing up to 100 microgram/1 of manganese from manganese-exposed workers showed that the data obtained by this method agree well with those by wet digestion-flame atomic absorption spectrophotometry and also by flameless atomic absorption spectrophotometry.

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Available abstract

The direct chelation-extraction method, originally developed by Hessel (1968) for blood lead analysis, has been successfully applied to urinalysis for manganese. The analyses of 35 urine samples containing up to 100 microgram/1 of manganese from manganese-exposed workers showed that the data obtained by this method agree well with those by wet digestion-flame atomic absorption spectrophotometry and also by flameless atomic absorption spectrophotometry.

Key concepts: Atomic absorption spectroscopy, Manganese, Spectrophotometry, Chemistry, Urinalysis, Extraction (chemistry), Chelation, Urine

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Determination of urinary manganese by the direct chelation-extraction method and flameless atomic absorption spectrophotometry. — Research Paper | ScholarLens