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物理化学因素对生物标本中铅和汞含量稳定性的影响分析。I. 添加铅和汞标准品的生物标本

[Analysis of the effects of physico-chemical factors on the stability of lead and mercury levels in biological specimens. I. Biological specimens with the addition of Pb and Hg standards].

作者信息

Kula M, Antczak K, Lasota W

机构信息

Zakładu Bromatologii Istitutu Badania Srodowiska i Bioanalizy, Akademii Medycznej w Lodzi.

出版信息

Med Pr. 1989;40(3):139-46.

PMID:2593813
Abstract

For the analysis of the process of precipitation and adsorption in the walls of polyethylene and glass vessels in which biological specimens containing mercury and lead were stored, the techniques of scanning electrone microscopy and X-ray microanalysis were applied. It was observed that the losses of: --lead in stored urine specimens were mainly due to precipitation, --mercury in stored urine specimens occur, among others, through adsorption on vessels' walls. X-ray microanalysis may also facilitate determination of the chemical composition of micro-structural fragments deposited on the surface of vessels.

摘要

为了分析储存含汞和铅生物标本的聚乙烯和玻璃容器壁上的沉淀和吸附过程,采用了扫描电子显微镜和X射线微分析技术。观察到:——储存尿液标本中铅的损失主要是由于沉淀,——储存尿液标本中的汞损失,除其他外,是通过吸附在容器壁上发生的。X射线微分析还可以有助于确定沉积在容器表面的微观结构碎片的化学成分。

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1
[Analysis of the effects of physico-chemical factors on the stability of lead and mercury levels in biological specimens. I. Biological specimens with the addition of Pb and Hg standards].物理化学因素对生物标本中铅和汞含量稳定性的影响分析。I. 添加铅和汞标准品的生物标本
Med Pr. 1989;40(3):139-46.
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