Determination du plomb dans l'urine par spectrophotometrie d'absorption atomique | Zendy

Lorimier Denis F. | Zendy; FernandezGarcia José G. | Zendy

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Determination du plomb dans l'urine par spectrophotometrie d'absorption atomique

Author(s) -

Lorimier Denis F.,

FernandezGarcia José G.

Publication year - 1970

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19700530807

Subject(s) - chemistry , coprecipitation , atomic absorption spectroscopy , urine , chromatography , precipitation , spectrophotometry , nuclear chemistry , inorganic chemistry , biochemistry , physics , quantum mechanics , meteorology

Lead is assayed in urine by atomic absorption spectrophotometry after separation by coprecipitation with a CaCO 3 , HCl, (NH 4 ) 2 HPO 4 solution at pH 9. Concentration of lead and removal of interfering substances are achieved simultaneously. Fresh or old urine samples acidified with HNO 3 and thymol can be used. Precipitation is quantitative. The precision of the method is ±0,004 ppm of lead.

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